@import"https://fonts.googleapis.com/css2?family=Lora:ital,wght@0,400;0,600;1,400&family=Mulish:wght@300;400;500;600;700&display=swap";.login-page{min-height:100vh;display:flex;background:var(--cream)}.login-page__left{width:420px;flex-shrink:0;background:var(--ink);display:flex;flex-direction:column;justify-content:space-between;padding:48px 44px;position:relative;overflow:hidden}.login-page__left:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:repeating-linear-gradient(-55deg,transparent,transparent 40px,rgba(255,255,255,.015) 40px,rgba(255,255,255,.015) 41px);pointer-events:none}.login-page__left:after{content:"";position:absolute;top:-120px;right:-120px;width:340px;height:340px;border-radius:50%;background:radial-gradient(circle,rgba(176,92,58,.18) 0%,transparent 70%);pointer-events:none}.login-brand{position:relative;z-index:1}.login-brand__logo{font-family:Lora,Georgia,serif;font-size:28px;font-weight:600;color:#fff;letter-spacing:.02em;display:block;margin-bottom:6px}.login-brand__tagline{font-size:12px;font-weight:500;color:#ffffff59;letter-spacing:.14em;text-transform:uppercase}.login-page__features{display:flex;flex-direction:column;gap:24px;position:relative;z-index:1}.login-feature{display:flex;align-items:flex-start;gap:14px}.login-feature__icon{width:36px;height:36px;border-radius:8px;background:#ffffff0f;border:1px solid rgba(255,255,255,.08);display:flex;align-items:center;justify-content:center;flex-shrink:0;color:var(--terra-light)}.login-feature__icon svg{width:16px;height:16px}.login-feature__text{display:flex;flex-direction:column;gap:2px}.login-feature__title{font-size:13.5px;font-weight:600;color:#ffffffd1}.login-feature__desc{font-size:12px;color:#ffffff59;line-height:1.5}.login-page__left-footer{font-size:11px;color:#fff3;position:relative;z-index:1}.login-page__right{flex:1;display:flex;align-items:center;justify-content:center;padding:48px 32px}.login-form-wrap{width:100%;max-width:380px}.login-form-wrap__heading{font-family:Lora,Georgia,serif;font-size:24px;font-weight:600;color:var(--ink);margin-bottom:6px}.login-form-wrap__sub{font-size:13px;color:var(--ink-soft);margin-bottom:36px}.login-form{display:flex;flex-direction:column;gap:18px}.login-field{display:flex;flex-direction:column;gap:6px}.login-field__label{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:var(--ink-soft)}.login-field__input{padding:11px 14px;border:1px solid var(--border);border-radius:8px;font-size:14px;font-family:Mulish,sans-serif;background:var(--cream);color:var(--ink);transition:border-color .15s,box-shadow .15s;outline:none}.login-field__input:focus{border-color:var(--terra-light);box-shadow:0 0 0 3px #d4836a1f}.login-field__input::placeholder{color:var(--ink-faint)}.login-error{display:flex;align-items:center;gap:8px;padding:10px 14px;background:#fee2e2;border:1px solid #FCCACA;border-radius:8px;font-size:13px;color:#b03030}.login-submit{width:100%;padding:12px;background:var(--terra);color:#fff;border:none;border-radius:8px;font-family:Mulish,sans-serif;font-size:14px;font-weight:700;cursor:pointer;transition:background .18s,transform .1s;margin-top:4px}.login-submit:hover{background:#9a4f30}.login-submit:active{transform:translateY(1px)}.login-submit:disabled{opacity:.6;cursor:not-allowed}@media(max-width:680px){.login-page__left{display:none}.login-page__right{padding:40px 24px}}.fc-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#1c1c1e73;display:flex;align-items:center;justify-content:center;z-index:1100}.fc-modal{background:#fff;border:1px solid var(--border);border-radius:12px;width:min(560px,96vw);max-height:90vh;display:flex;flex-direction:column;overflow:hidden;box-shadow:0 16px 48px var(--shadow)}.fc-header{display:flex;align-items:center;justify-content:space-between;padding:18px 22px 14px;border-bottom:1px solid var(--border)}.fc-header__title{font-family:Lora,Georgia,serif;font-size:16px;font-weight:600;color:var(--ink);margin:0}.fc-header__close{background:none;border:none;font-size:18px;cursor:pointer;color:var(--ink-soft);padding:4px 8px;border-radius:6px;line-height:1;transition:all .15s}.fc-header__close:hover{background:var(--cream-dark);color:var(--ink)}.fc-body{flex:1;overflow-y:auto;padding:24px 22px 20px;display:flex;flex-direction:column;gap:20px}.fc-setup{display:flex;flex-direction:column;gap:16px}.fc-setup__label{font-size:12px;font-weight:700;color:var(--ink-mid);margin-bottom:6px;display:block;text-transform:uppercase;letter-spacing:.06em}.fc-setup__select{width:100%;padding:9px 12px;border:1px solid var(--border);border-radius:8px;font-size:13px;font-family:Mulish,sans-serif;background:var(--cream);color:var(--ink)}.fc-setup__select:focus{outline:none;border-color:var(--terra-light)}.fc-setup__direction{display:flex;gap:10px}.fc-setup__dir-btn{flex:1;padding:10px;border:2px solid var(--border);border-radius:8px;background:var(--cream);font-size:13px;font-weight:600;font-family:Mulish,sans-serif;cursor:pointer;color:var(--ink-soft);transition:all .15s}.fc-setup__dir-btn--active{border-color:var(--terra);background:var(--terra-faint);color:var(--terra)}.fc-setup__start{padding:12px;background:var(--terra);color:#fff;border:none;border-radius:10px;font-size:14px;font-weight:700;font-family:Mulish,sans-serif;cursor:pointer;transition:background .15s}.fc-setup__start:hover:not(:disabled){background:#9a4f30}.fc-setup__start:disabled{background:var(--terra-light);opacity:.5;cursor:not-allowed}.fc-setup__start--force{background:var(--sage)}.fc-setup__start--force:hover:not(:disabled){background:#4a6a58}.fc-setup__hint{font-size:12px;color:var(--ink-faint);text-align:center}.fc-all-reviewed{display:flex;flex-direction:column;gap:10px;background:var(--sage-faint);border:1px solid #B8D8C8;border-radius:10px;padding:14px 16px}.fc-all-reviewed__msg{margin:0;font-size:13px;color:var(--sage);font-weight:500}.fc-progress{display:flex;align-items:center;gap:10px}.fc-progress__bar{flex:1;height:5px;background:var(--cream-dark);border-radius:99px;overflow:hidden}.fc-progress__fill{height:100%;background:var(--terra);border-radius:99px;transition:width .3s ease}.fc-progress__label{font-size:12px;font-weight:600;color:var(--ink-soft);white-space:nowrap}.fc-card{background:var(--cream);border:1px solid var(--border);border-radius:12px;min-height:160px;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:28px 24px;gap:14px;text-align:center}.fc-card__front{font-family:Lora,Georgia,serif;font-size:26px;font-weight:600;color:var(--ink);line-height:1.2;word-break:break-word}.fc-card__speak{background:none;border:1px solid var(--border);border-radius:8px;padding:4px 10px;font-size:17px;cursor:pointer;color:var(--ink-soft);transition:all .15s;line-height:1.4}.fc-card__speak:hover:not(:disabled){background:var(--cream-dark);color:var(--ink)}.fc-card__speak:disabled{opacity:.4}.fc-card__divider{width:40px;height:2px;background:var(--border);border-radius:99px}.fc-card__back{font-size:20px;font-weight:600;color:var(--terra);word-break:break-word}.fc-card__notes{font-size:12px;color:var(--ink-soft);font-style:italic}.fc-card__new-badge{font-size:10px;font-weight:700;color:var(--blue);background:var(--blue-faint);padding:2px 8px;border-radius:99px;letter-spacing:.05em;text-transform:uppercase}.fc-show-btn{padding:11px;background:var(--cream);border:1px solid var(--border);border-radius:10px;font-size:13px;font-weight:600;font-family:Mulish,sans-serif;cursor:pointer;color:var(--ink-mid);transition:background .15s}.fc-show-btn:hover{background:var(--cream-dark);color:var(--ink)}.fc-ratings{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}.fc-rate-btn{padding:10px 4px;border:none;border-radius:10px;font-size:12px;font-weight:700;font-family:Mulish,sans-serif;cursor:pointer;display:flex;flex-direction:column;align-items:center;gap:3px;transition:opacity .15s,transform .1s}.fc-rate-btn:hover:not(:disabled){opacity:.85;transform:translateY(-1px)}.fc-rate-btn:disabled{opacity:.4;cursor:not-allowed}.fc-rate-btn--again{background:#fee2e2;color:#b03030}.fc-rate-btn--hard{background:var(--gold-faint);color:var(--gold)}.fc-rate-btn--good{background:var(--sage-faint);color:var(--sage)}.fc-rate-btn--easy{background:#c8ecd8;color:#2e6e4a}.fc-rate-btn__label{font-size:12px}.fc-rate-btn__sub{font-size:10px;font-weight:500;opacity:.7}.fc-done{display:flex;flex-direction:column;align-items:center;gap:18px;text-align:center;padding:12px 0}.fc-done__emoji{font-size:48px}.fc-done__title{font-family:Lora,Georgia,serif;font-size:20px;font-weight:600;color:var(--ink);margin:0}.fc-done__stats{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;width:100%}.fc-done__stat{border-radius:10px;padding:10px 6px;display:flex;flex-direction:column;gap:4px}.fc-done__stat--again{background:#fee2e2}.fc-done__stat--hard{background:var(--gold-faint)}.fc-done__stat--good{background:var(--sage-faint)}.fc-done__stat--easy{background:#c8ecd8}.fc-done__stat-num{font-family:Lora,Georgia,serif;font-size:22px;font-weight:600;color:var(--ink)}.fc-done__stat-label{font-size:10px;font-weight:700;color:var(--ink-soft);text-transform:uppercase;letter-spacing:.06em}.fc-done__actions{display:flex;gap:10px;width:100%}.fc-done__again-btn{flex:1;padding:11px;background:var(--terra-faint);color:var(--terra);border:1px solid rgba(176,92,58,.25);border-radius:10px;font-size:13px;font-weight:700;font-family:Mulish,sans-serif;cursor:pointer;transition:background .15s}.fc-done__again-btn:hover{background:#e8cfbf}.fc-done__close-btn{flex:1;padding:11px;background:var(--terra);color:#fff;border:none;border-radius:10px;font-size:13px;font-weight:700;font-family:Mulish,sans-serif;cursor:pointer;transition:background .15s}.fc-done__close-btn:hover{background:#9a4f30}.fc-loading{text-align:center;color:var(--ink-soft);font-size:13px;padding:32px 0}.fc-error{text-align:center;color:#b03030;font-size:13px;padding:8px 0}.dashboard{display:flex;min-height:100vh;background:var(--cream)}.dashboard__sidebar{width:230px;min-height:100vh;background:var(--ink);display:flex;flex-direction:column;flex-shrink:0;position:relative}.dashboard__sidebar:after{content:"";position:absolute;right:0;top:0;bottom:0;width:1px;background:linear-gradient(to bottom,transparent,rgba(255,255,255,.08),transparent)}.sidebar__logo{padding:28px 24px 24px;border-bottom:1px solid rgba(255,255,255,.07)}.sidebar__logo-mark{font-family:Lora,Georgia,serif;font-size:22px;font-weight:600;color:#fff;letter-spacing:.02em;display:block}.sidebar__logo-sub{font-size:10px;font-weight:500;color:#ffffff59;letter-spacing:.14em;text-transform:uppercase;margin-top:2px;display:block}.sidebar__nav{padding:20px 0;flex:1}.sidebar__section-label{font-size:9px;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:#ffffff40;padding:16px 24px 8px;display:block}.sidebar__nav-item{display:flex;align-items:center;gap:11px;padding:9px 24px;font-size:13.5px;font-weight:500;color:#ffffff8c;cursor:pointer;transition:all .18s;border-left:2px solid transparent;text-decoration:none;background:none;border-top:none;border-right:none;border-bottom:none;width:100%;text-align:left}.sidebar__nav-item:hover{color:#ffffffe6;background:#ffffff0a}.sidebar__nav-item--active{color:#fff;border-left-color:var(--terra-light);background:#ffffff0f}.sidebar__nav-icon{width:16px;height:16px;flex-shrink:0;opacity:.8}.sidebar__user{padding:16px 24px;border-top:1px solid rgba(255,255,255,.07);display:flex;align-items:center;gap:10px}.sidebar__avatar{width:32px;height:32px;border-radius:50%;background:var(--terra);display:flex;align-items:center;justify-content:center;font-family:Lora,Georgia,serif;font-size:13px;color:#fff;font-weight:600;flex-shrink:0}.sidebar__user-info{flex:1;min-width:0}.sidebar__user-name{font-size:12.5px;font-weight:600;color:#ffffffd9;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.sidebar__user-role{font-size:10px;color:#ffffff4d;letter-spacing:.06em;display:block}.dashboard__main{flex:1;display:flex;flex-direction:column;min-width:0;overflow-x:hidden}.dashboard__header{background:var(--cream);border-bottom:1px solid var(--border);padding:0 36px;height:60px;display:flex;align-items:center;gap:16px;position:sticky;top:0;z-index:10}.dashboard__topbar-title{font-family:Lora,Georgia,serif;font-size:17px;font-weight:600;color:var(--ink);flex:1}.dashboard__header-right{display:flex;align-items:center;gap:8px}.dashboard__body{flex:1;overflow-y:auto;padding:32px 36px}.teacher-view{max-width:900px}.section-header{display:flex;align-items:center;gap:16px;margin-bottom:24px;flex-wrap:wrap}.section-header h2{font-family:Lora,Georgia,serif;font-size:17px;font-weight:600;color:var(--ink);flex:1;margin:0}.dashboard-search{padding:7px 12px;border:1px solid var(--border);border-radius:8px;font-size:13px;background:var(--cream-dark);color:var(--ink);width:220px;box-sizing:border-box}.dashboard-search:focus{outline:none;border-color:var(--terra-light)}.dashboard-search::placeholder{color:var(--ink-faint)}.new-course-form{display:flex;gap:8px;align-items:center;margin-bottom:20px;flex-wrap:wrap}.new-course-form input{flex:1;min-width:160px;padding:8px 12px;border:1px solid var(--border);border-radius:8px;font-size:13px;background:var(--cream);color:var(--ink)}.new-course-form input:focus{outline:none;border-color:var(--terra-light)}.new-course-form input::placeholder{color:var(--ink-faint)}.course-card{background:#fff;border:1px solid var(--border);border-radius:12px;margin-bottom:16px;overflow:visible;transition:box-shadow .18s}.course-card:hover{box-shadow:0 4px 20px var(--shadow)}.course-card__header{display:flex;align-items:center;justify-content:space-between;padding:14px 20px;gap:12px;cursor:pointer;-webkit-user-select:none;user-select:none;transition:background .12s;border-radius:12px 12px 0 0}.course-card__header:hover{background:var(--cream)}.course-card--open .course-card__header{border-bottom:1px solid var(--border)}.course-card__chevron{font-size:14px;color:var(--ink-faint);transition:transform .2s;flex-shrink:0}.course-card--open .course-card__chevron{transform:rotate(180deg)}.course-card__title{font-family:Lora,Georgia,serif;font-size:15px;font-weight:600;color:var(--ink);margin:0;flex:1}.course-card__desc{margin:0;padding:12px 20px;font-size:13px;line-height:1.5;color:var(--ink-soft);border-bottom:1px solid rgba(216,210,198,.4)}.inline-form{display:flex;gap:8px;align-items:center;padding:12px 20px;border-bottom:1px solid rgba(216,210,198,.4);flex-wrap:wrap}.inline-form input[type=text],.inline-form input:not([type=checkbox]){flex:1;min-width:140px;padding:7px 10px;border:1px solid var(--border);border-radius:8px;font-size:13px;background:var(--cream);color:var(--ink)}.inline-form input[type=text]:focus,.inline-form input:not([type=checkbox]):focus{outline:none;border-color:var(--terra-light)}.new-lesson-hw-label{display:flex;align-items:center;gap:5px;font-size:12px;color:var(--ink-soft);cursor:pointer;white-space:nowrap}.lessons-list{padding:4px 0}.lesson-row{display:flex;align-items:center;justify-content:space-between;padding:9px 20px;border-bottom:1px solid rgba(216,210,198,.35);gap:12px;transition:background .12s}.lesson-row:last-child{border-bottom:none}.lesson-row:hover{background:var(--cream)}.lesson-row:hover .lesson-row__actions{opacity:1}.lesson-drag-handle{flex-shrink:0;cursor:grab;color:var(--ink-faint);font-size:14px;line-height:1;padding:2px;-webkit-user-select:none;user-select:none;opacity:0;transition:opacity .12s,color .12s}.lesson-row:hover .lesson-drag-handle{opacity:1}.lesson-drag-handle:hover{color:var(--terra)}.lesson-drag-handle:active{cursor:grabbing}.lesson-row--dragging{opacity:.5;background:var(--cream);outline:1.5px dashed var(--terra-light);outline-offset:-2px}.lesson-row__title{font-size:13px;color:var(--ink-mid);display:flex;align-items:center;gap:6px;flex:1;min-width:0}.lesson-row__actions{display:flex;gap:6px;align-items:center;opacity:0;transition:opacity .15s}.student-lesson-actions{display:flex;gap:6px;align-items:center;flex-shrink:0}.announcements{display:flex;flex-direction:column;gap:10px;margin-bottom:20px}.announcement{display:flex;align-items:flex-start;gap:12px;padding:12px 14px;background:var(--gold-faint);border:1px solid var(--gold);border-radius:10px}.announcement__icon{font-size:16px;line-height:1.3;flex-shrink:0}.announcement__body{flex:1;min-width:0}.announcement__text{margin:0;font-size:13px;color:var(--ink);line-height:1.45;white-space:pre-wrap;word-break:break-word}.announcement__meta{display:block;margin-top:4px;font-size:11px;color:var(--ink-soft)}.announcement__close{flex-shrink:0;background:none;border:none;color:var(--ink-soft);font-size:18px;line-height:1;cursor:pointer;padding:0 2px;transition:color .12s}.announcement__close:hover{color:var(--terra)}.announcements-manager{margin-bottom:22px;padding:16px 18px;background:#fff;border:1px solid var(--border);border-radius:12px}.announcements-manager__head{display:flex;align-items:center;justify-content:space-between;gap:12px}.announcements-manager__title{font-family:Lora,serif;font-size:15px;font-weight:600;color:var(--ink);margin:0}.announcements-manager__form{display:flex;flex-direction:column;gap:8px;margin-top:12px}.announcements-manager__input{width:100%;padding:9px 12px;border:1px solid var(--border);border-radius:8px;background:var(--cream);font-family:Mulish,sans-serif;font-size:13px;color:var(--ink);resize:vertical}.announcements-manager__input:focus{outline:none;border-color:var(--terra-light)}.announcements-manager__list{display:flex;flex-direction:column;gap:8px;margin-top:12px}.lesson-badge{font-size:9px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;padding:2px 6px;border-radius:4px}.lesson-badge--hw{background:var(--gold-faint);color:var(--gold)}.search-results-group{background:#fff;border:1px solid var(--border);border-radius:12px;margin-bottom:12px;overflow:hidden}.search-results-group__course{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:var(--ink-faint);padding:10px 20px 4px}.course-enroll-panel{padding:16px 20px;background:var(--cream);border-top:1px solid var(--border)}.course-enroll-panel__title{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.12em;color:var(--ink-faint);margin-bottom:10px}.enrollment-row{display:flex;align-items:center;justify-content:space-between;padding:7px 0;border-bottom:1px solid rgba(216,210,198,.5);gap:10px}.enrollment-row:last-of-type{border-bottom:none}.enrollment-row__info{display:flex;flex-direction:column;gap:1px;min-width:0}.enroll-tabs{display:flex;gap:4px;background:#d8d2c666;border-radius:8px;padding:3px;width:fit-content;margin:14px 0 8px}.enroll-tab{padding:5px 14px;border:none;border-radius:6px;font-family:Mulish,sans-serif;font-size:12px;font-weight:600;cursor:pointer;background:transparent;color:var(--ink-soft);transition:all .15s}.enroll-tab:hover{color:var(--ink)}.enroll-tab--active{background:#fff;color:var(--ink);box-shadow:0 1px 3px var(--shadow)}.enrollment-form{display:flex;gap:8px;align-items:flex-start;flex-wrap:wrap}.enrollment-autocomplete{flex:1;min-width:160px;position:relative}.enrollment-autocomplete input{width:100%;padding:7px 10px;border:1px solid var(--border);border-radius:8px;font-size:13px;font-family:Mulish,sans-serif;background:#fff;color:var(--ink);box-sizing:border-box}.enrollment-dropdown{position:absolute;top:calc(100% + 4px);left:0;right:0;background:#fff;border:1px solid var(--border);border-radius:8px;box-shadow:0 6px 20px var(--shadow);z-index:50;overflow:hidden}.enrollment-dropdown__item{display:flex;align-items:center;justify-content:space-between;width:100%;padding:8px 12px;border:none;background:none;cursor:pointer;text-align:left;gap:8px;transition:background .1s}.enroll-group-select{flex:1;min-width:160px;padding:7px 10px;border:1px solid var(--border);border-radius:8px;font-size:13px;font-family:Mulish,sans-serif;background:#fff;color:var(--ink)}.enroll-group-select:focus{outline:none;border-color:var(--terra-light)}.groups-panel{margin-top:32px;padding-top:28px;border-top:1px solid var(--border)}.groups-panel h3{font-family:Lora,Georgia,serif;font-size:15px;font-weight:600;color:var(--ink);margin-bottom:16px}.group-item{background:#fff;border:1px solid var(--border);border-radius:12px;margin-bottom:10px;overflow:hidden}.group-item__header{display:flex;align-items:center;justify-content:space-between;padding:10px 16px;gap:10px}.group-item__title-btn{flex:1;display:flex;align-items:center;gap:8px;background:none;border:none;cursor:pointer;text-align:left;font-family:Mulish,sans-serif;font-size:13px;font-weight:600;color:var(--ink);padding:4px 0;transition:color .12s}.group-item__title-btn:hover{color:var(--terra)}.group-item__count{font-size:11px;font-weight:400;color:var(--ink-faint);background:var(--cream-dark);padding:2px 7px;border-radius:10px}.group-item__chevron{font-size:11px;color:var(--ink-faint)}.group-detail{border-top:1px solid var(--border);padding:12px 16px;background:var(--cream)}.group-member__remove{background:none;border:none;cursor:pointer;color:var(--ink-faint);font-size:12px;padding:0;line-height:1;transition:color .15s}.group-member__remove:hover{color:#b03030}.group-add-row{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.group-add-select{flex:1;min-width:160px;padding:6px 10px;border:1px solid var(--border);border-radius:8px;font-size:13px;background:#fff;color:var(--ink)}.group-add-select:focus{outline:none;border-color:var(--terra-light)}.empty-hint{font-size:13px;color:var(--ink-faint);padding:12px 0;font-style:italic}.lessons-list .empty-hint{padding:12px 20px}.student-view{max-width:700px}.student-search-area{display:flex;flex-direction:column;width:480px;margin-bottom:20px}.student-search-area .dashboard-search{width:100%;box-sizing:border-box;margin-bottom:8px}.student-tabs{display:flex;gap:4px;background:var(--cream-dark);border-radius:10px;padding:3px;width:100%}.student-tab{flex:1;padding:7px 18px;border:none;border-radius:8px;font-family:Mulish,sans-serif;font-size:13px;font-weight:600;cursor:pointer;background:transparent;color:var(--ink-soft);transition:all .15s}.student-tab:hover{color:var(--ink)}.student-tab--active{background:#fff;color:var(--ink);box-shadow:0 1px 4px var(--shadow)}.student-course-card{background:#fff;border:1px solid var(--border);border-radius:12px;margin-bottom:12px;overflow:hidden;transition:box-shadow .18s}.student-course-card:hover{box-shadow:0 4px 20px var(--shadow)}.student-course-card__header{width:100%;display:flex;align-items:center;justify-content:space-between;padding:16px 20px;background:none;border:none;cursor:pointer;text-align:left;gap:12px;transition:background .12s}.student-course-card__header:hover{background:var(--cream)}.student-course-card--open .student-course-card__header{border-bottom:1px solid var(--border)}.student-course-card__title{font-family:Lora,Georgia,serif;font-size:15px;font-weight:600;color:var(--ink)}.student-course-card__meta{display:flex;align-items:center;gap:10px;flex-shrink:0}.student-course-card__progress{font-size:12px;color:var(--ink-soft);font-weight:500}.student-course-card__chevron{font-size:10px;color:var(--ink-faint);transition:transform .2s}.student-course-card--open .student-course-card__chevron{transform:rotate(180deg)}.student-course-card__progressbar{height:3px;background:var(--cream-dark)}.student-course-card__progressbar-fill{height:100%;background:var(--terra);border-radius:0 2px 2px 0;transition:width .4s ease}.student-course-card__body{padding:16px 20px 20px;display:flex;flex-direction:column;gap:4px}.student-course-card__desc{font-size:13px;color:var(--ink-soft);line-height:1.5;margin-bottom:10px;padding-bottom:12px;border-bottom:1px solid rgba(216,210,198,.4)}.student-course-section{display:flex;flex-direction:column;gap:4px;margin-top:4px}.student-course-section--current{background:var(--terra-faint);border:1px solid rgba(176,92,58,.18);border-radius:10px;padding:10px 12px;margin:6px 0}.student-course-section__label{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.12em;color:var(--terra);margin-bottom:6px}.student-course-toggle{display:inline-flex;align-items:center;gap:5px;background:none;border:none;font-family:Mulish,sans-serif;font-size:12px;font-weight:600;color:var(--ink-soft);cursor:pointer;padding:6px 0;transition:color .15s}.student-course-toggle:hover{color:var(--ink)}.student-course-toggle--up:before{content:"↑";font-size:11px;opacity:.6}.student-course-toggle--down:before{content:"↓";font-size:11px;opacity:.6}.lesson-row__num{font-size:11px;font-weight:700;color:var(--ink-faint);min-width:18px;text-align:right;flex-shrink:0}.lesson-badge--visited{background:var(--cream-dark);color:var(--ink-faint)}.lesson-badge--done{background:var(--sage-faint);color:var(--sage)}.reviewed-works-card{background:#fff;border:1px solid var(--border);border-left:3px solid var(--gold);border-radius:12px;margin-bottom:16px;overflow:hidden}.reviewed-works-card__header{width:100%;display:flex;align-items:center;justify-content:space-between;padding:14px 18px;background:none;border:none;cursor:pointer;text-align:left;transition:background .12s}.reviewed-works-card__header:hover{background:var(--cream)}.reviewed-works-card__title{font-family:Lora,Georgia,serif;font-size:14px;font-weight:600;color:var(--ink);display:flex;align-items:center;gap:8px}.reviewed-works-card__badge{display:inline-flex;align-items:center;justify-content:center;width:20px;height:20px;background:var(--gold);color:#fff;border-radius:50%;font-size:10px;font-weight:700;font-family:Mulish,sans-serif}.reviewed-works-card__body{border-top:1px solid var(--border)}.reviewed-works-card__row{display:flex;align-items:center;justify-content:space-between;padding:12px 18px;border-bottom:1px solid rgba(216,210,198,.35);gap:12px;transition:background .12s}.reviewed-works-card__row:last-child{border-bottom:none}.reviewed-works-card__row:hover{background:var(--cream)}.reviewed-works-card__info{display:flex;flex-direction:column;gap:2px;min-width:0}.reviewed-works-card__lesson{font-size:13px;font-weight:600;color:var(--ink-mid);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.reviewed-works-card__course{font-size:11px;color:var(--ink-faint)}.tech-support-view{max-width:800px}.tech-support-view h2{font-family:Lora,Georgia,serif;font-size:17px;font-weight:600;color:var(--ink);margin-bottom:24px}.tech-section{background:#fff;border:1px solid var(--border);border-radius:12px;padding:20px;margin-bottom:16px}.tech-section h3{font-family:Lora,Georgia,serif;font-size:14px;font-weight:600;color:var(--ink);margin-bottom:16px}.users-table{width:100%;border-collapse:collapse}.users-table th{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.12em;color:var(--ink-faint);text-align:left;padding:0 10px 10px;border-bottom:1px solid var(--border)}.users-table td{font-size:13px;color:var(--ink-mid);padding:9px 10px;border-bottom:1px solid rgba(216,210,198,.4)}.users-table tr:last-child td{border-bottom:none}.users-table tr:hover td{background:var(--cream)}.user-role-badge{font-size:10px;font-weight:700;padding:2px 8px;border-radius:4px;text-transform:uppercase;letter-spacing:.06em}.user-role-badge--teacher{background:var(--terra-faint);color:var(--terra)}.user-role-badge--student{background:var(--blue-faint);color:var(--blue)}.user-role-badge--tech_support{background:var(--sage-faint);color:var(--sage)}.user-menu-wrap{position:relative}.user-menu-wrap__arrow{font-size:10px;opacity:.6}.user-menu{position:absolute;right:0;top:calc(100% + 6px);background:#fff;border:1px solid var(--border);border-radius:10px;box-shadow:0 8px 24px var(--shadow);min-width:180px;z-index:100;overflow:hidden}.user-menu__item{display:block;width:100%;padding:11px 16px;text-align:left;font-size:13px;font-family:Mulish,sans-serif;color:var(--ink-mid);background:none;border:none;cursor:pointer;transition:background .12s}.user-menu__item:hover{background:var(--cream);color:var(--ink)}.burger-btn{display:flex;flex-direction:column;justify-content:center;gap:4px;width:32px;height:32px;background:none;border:1px solid var(--border);border-radius:8px;cursor:pointer;padding:8px;transition:background .15s}.burger-btn:hover{background:var(--cream-dark)}.burger-btn span{display:block;height:1.5px;background:var(--ink-soft);border-radius:2px}.dashboard__username{max-width:140px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.dict-modal{max-width:1000px!important;width:94vw!important;padding:0!important;overflow:hidden;display:flex;flex-direction:column}.dict-modal__layout{display:flex;min-height:560px;max-height:80vh;overflow:hidden;align-items:stretch}.dict-sidebar{width:220px;flex-shrink:0;border-right:1px solid var(--border);display:flex;flex-direction:column;background:var(--cream)}.dict-sidebar__header{padding:16px 16px 10px;border-bottom:1px solid var(--border)}.dict-sidebar__title{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.12em;color:var(--ink-faint)}.dict-sidebar__list{flex:1;overflow-y:auto;padding:6px 0}.dict-sidebar__item{display:flex;align-items:center;justify-content:space-between;padding:9px 16px;font-size:13px;color:var(--ink-mid);cursor:pointer;border-left:2px solid transparent;background:none;border-top:none;border-right:none;border-bottom:none;width:100%;text-align:left;transition:background .12s;gap:6px}.dict-sidebar__item:hover{background:var(--cream-dark)}.dict-sidebar__item--active{background:var(--terra-faint);border-left-color:var(--terra);color:var(--ink);font-weight:600}.dict-sidebar__item-title{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.dict-sidebar__item-count{font-size:11px;color:var(--ink-faint);font-weight:600;flex-shrink:0}.dict-sidebar__del{opacity:0;transition:opacity .12s;font-size:12px;flex-shrink:0}.dict-sidebar__item:hover .dict-sidebar__del{opacity:1}.dict-sidebar__new{display:flex;gap:6px;padding:10px 12px;border-top:1px solid var(--border)}.dict-sidebar__new input{flex:1;min-width:0;padding:6px 10px;border:1px solid var(--border);border-radius:6px;font-size:12px;font-family:Mulish,sans-serif;background:#fff;color:var(--ink)}.dict-sidebar__new input:focus{outline:none;border-color:var(--terra-light)}.dict-sidebar__new input::placeholder{color:var(--ink-faint)}.dict-main{flex:1;display:flex;flex-direction:column;min-width:0;min-height:0;overflow-x:hidden;overflow-y:auto}.dict-main__header{display:flex;align-items:center;gap:10px;padding:14px 20px;border-bottom:1px solid var(--border);flex-shrink:0;flex-wrap:wrap;position:sticky;top:0;z-index:2;background:#fff}.dict-search{width:200px;flex:none;padding:7px 10px;border:1px solid var(--border);border-radius:8px;font-size:13px;font-family:Mulish,sans-serif;background:var(--cream);color:var(--ink);margin:10px 20px 4px}.dict-search:focus{outline:none;border-color:var(--terra-light)}.dict-search::placeholder{color:var(--ink-faint)}.dict-list-select{padding:7px 10px;border:1px solid var(--border);border-radius:8px;font-size:13px;font-family:Mulish,sans-serif;background:var(--cream);color:var(--ink)}.dict-list-select:focus{outline:none;border-color:var(--terra-light)}.dict-add-form{padding:14px 20px;border-bottom:1px solid var(--border);display:flex;flex-direction:column;gap:8px;background:var(--cream);flex-shrink:0}.dict-add-form__row{display:flex;gap:8px;align-items:flex-start;flex-wrap:wrap}.dict-add-form__field{flex:1;min-width:130px;display:flex;flex-direction:column;gap:4px}.dict-add-form__field input{padding:7px 10px;border:1px solid var(--border);border-radius:8px;font-size:13px;font-family:Mulish,sans-serif;background:#fff;color:var(--ink)}.dict-add-form__field input:focus{outline:none;border-color:var(--terra-light)}.dict-add-form__field input::placeholder{color:var(--ink-faint)}.dict-translate-btn{font-size:11px!important;padding:4px 8px!important;align-self:flex-end}.dict-speak-btn{font-size:14px!important;padding:5px 8px!important}.dict-entries{padding:0 20px 24px}.dict-table{width:100%;border-collapse:collapse;margin-top:8px}.dict-table th{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:var(--ink-faint);text-align:left;padding:10px 8px 8px;border-bottom:1px solid var(--border)}.dict-table td{font-size:13px;color:var(--ink-mid);padding:9px 8px;border-bottom:1px solid rgba(216,210,198,.35);vertical-align:middle}.dict-table tr:last-child td{border-bottom:none}.dict-table tr:hover td{background:var(--cream)}.dict-table__word{font-weight:500;color:var(--ink)}.dict-table__notes{color:var(--ink-soft);font-style:italic;font-size:12px}.dict-table__actions{display:flex;gap:4px;align-items:center;opacity:0;transition:opacity .12s}.dict-table tr:hover .dict-table__actions{opacity:1}.dict-empty{text-align:center;color:var(--ink-faint);font-size:13px;font-style:italic;padding:32px 0}.form-error{font-size:12px;color:#b03030;margin:0}.chat-fab{position:fixed;bottom:28px;right:28px;z-index:900;width:52px;height:52px;border-radius:50%;background:var(--terra);color:#fff;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 20px #b05c3a66;transition:background .18s,transform .15s,box-shadow .18s}.chat-fab:hover{background:#9a4f30;transform:translateY(-2px);box-shadow:0 6px 28px #b05c3a80}.chat-fab svg{width:22px;height:22px}.chat-fab__tooltip{position:absolute;right:calc(100% + 10px);top:50%;transform:translateY(-50%);background:var(--ink);color:#ffffffe6;font-size:12px;font-family:Mulish,sans-serif;font-weight:500;white-space:nowrap;padding:6px 10px;border-radius:8px;pointer-events:none;opacity:0;transition:opacity .2s}.chat-fab__tooltip:after{content:"";position:absolute;right:-5px;top:50%;transform:translateY(-50%);border:5px solid transparent;border-right:none;border-left-color:var(--ink)}.chat-fab:hover .chat-fab__tooltip{opacity:1}.chat-widget{position:fixed;bottom:92px;right:28px;width:340px;max-height:480px;z-index:900;background:#fff;border:1px solid var(--border);border-radius:14px;box-shadow:0 8px 40px #1c1c1e29;display:flex;flex-direction:column;overflow:hidden;animation:chat-slide-up .2s ease}@keyframes chat-slide-up{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}.chat-widget__header{display:flex;align-items:center;justify-content:space-between;padding:14px 16px 12px;background:var(--ink);color:#fff}.chat-widget__header-info{display:flex;flex-direction:column;gap:1px}.chat-widget__title{font-family:Lora,Georgia,serif;font-size:14px;font-weight:600;color:#fff}.chat-widget__subtitle{font-size:10px;color:#fff6;letter-spacing:.05em}.chat-widget__close{background:none;border:none;color:#ffffff80;font-size:16px;cursor:pointer;padding:2px 4px;border-radius:4px;line-height:1;transition:color .15s}.chat-widget__close:hover{color:#fff}.chat-widget__body{flex:1;overflow-y:auto;padding:14px;display:flex;flex-direction:column;gap:8px;background:var(--cream)}.chat-widget__empty{font-size:12.5px;color:var(--ink-faint);text-align:center;line-height:1.5;margin:auto;padding:16px 8px}.chat-bubble{max-width:88%;padding:9px 12px;border-radius:10px;font-size:13px;line-height:1.5}.chat-bubble p{margin:0 0 6px}.chat-bubble p:last-child{margin-bottom:0}.chat-bubble ul,.chat-bubble ol{margin:4px 0 6px 18px;padding:0}.chat-bubble li{margin-bottom:2px}.chat-bubble strong{font-weight:700}.chat-bubble em{font-style:italic}.chat-bubble code{font-family:Courier New,monospace;font-size:12px;background:#00000012;border-radius:3px;padding:1px 4px}.chat-bubble pre{background:#00000012;border-radius:6px;padding:8px 10px;overflow-x:auto;margin:4px 0}.chat-bubble pre code{background:none;padding:0}.chat-bubble--user{background:var(--terra);color:#fff;align-self:flex-end;border-bottom-right-radius:3px}.chat-bubble--assistant{background:#fff;color:var(--ink-mid);align-self:flex-start;border:1px solid var(--border);border-bottom-left-radius:3px}.chat-bubble--loading{color:var(--ink-faint);font-style:italic}.chat-error{font-size:12px;color:#b03030;text-align:center}.chat-widget__footer{display:flex;gap:8px;padding:10px 12px;border-top:1px solid var(--border);background:#fff}.chat-widget__input{flex:1;padding:8px 10px;border:1px solid var(--border);border-radius:8px;font-size:13px;font-family:Mulish,sans-serif;background:var(--cream);color:var(--ink);outline:none}.chat-widget__input:focus{border-color:var(--terra-light)}.chat-widget__input::placeholder{color:var(--ink-faint)}.techsupport-view{display:flex;flex-direction:column;gap:24px}.techsupport-view h2{font-family:Lora,Georgia,serif;font-size:17px;font-weight:600;color:var(--ink);padding-bottom:12px;border-bottom:1px solid var(--border);margin:0}.techsupport-view h3{font-family:Lora,Georgia,serif;font-size:14px;font-weight:600;color:var(--ink);margin:0 0 12px}.techsupport-view .inline-form{display:flex;flex-wrap:wrap;gap:8px;align-items:flex-end}.techsupport-view .inline-form input,.techsupport-view .inline-form select{padding:8px 12px;border:1px solid var(--border);border-radius:8px;font-size:13px;font-family:Mulish,sans-serif;background:var(--cream);color:var(--ink);min-width:140px}.techsupport-view .inline-form input:focus,.techsupport-view .inline-form select:focus{outline:none;border-color:var(--terra-light)}.techsupport-view .inline-form input::placeholder{color:var(--ink-faint)}.ai-settings-panel{background:#fff;border:1px solid var(--border);border-radius:12px;overflow:hidden}.ai-settings-panel>h3{display:flex;align-items:center;gap:10px;padding:14px 20px;margin:0;background:var(--ink);font-family:Lora,Georgia,serif;font-size:15px;font-weight:600;color:#ffffffe6;letter-spacing:.01em}.ai-settings-panel>h3:before{content:"";display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--terra-light);flex-shrink:0;box-shadow:0 0 0 3px #d4836a33}.ai-settings-form{display:flex;flex-direction:column;gap:0;padding:20px}.ai-settings-label{display:block;font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.12em;color:var(--ink-faint);margin-bottom:6px;margin-top:16px}.ai-settings-label:first-child{margin-top:0}.ai-settings-hint{font-size:10px;font-weight:400;text-transform:none;letter-spacing:0;color:var(--ink-faint);font-style:italic}.ai-settings-input,.ai-settings-select{width:100%;padding:9px 12px;border:1px solid var(--border);border-radius:8px;font-size:13.5px;font-family:Mulish,sans-serif;background:var(--cream);color:var(--ink);box-sizing:border-box;transition:border-color .15s,box-shadow .15s}.ai-settings-input:focus,.ai-settings-select:focus{outline:none;border-color:var(--terra-light);box-shadow:0 0 0 3px #d4836a1a}.ai-settings-input::placeholder{color:var(--ink-faint)}.ai-settings-select{cursor:pointer;-webkit-appearance:auto;-moz-appearance:auto;appearance:auto}.ai-settings-footer{display:flex;align-items:center;gap:12px;margin-top:20px;padding-top:16px;border-top:1px solid var(--border)}.ai-settings-ok{font-size:13px;font-weight:600;color:var(--sage)}.ollama-status{display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:8px;font-size:12.5px;font-weight:500;margin-top:4px}.ollama-status--ok{background:var(--sage-faint);color:var(--sage);border:1px solid rgba(90,122,104,.2)}.ollama-status--warn{background:var(--gold-faint);color:var(--gold);border:1px solid rgba(138,112,64,.2)}.ollama-status--missing{background:var(--terra-faint);color:var(--terra);border:1px solid rgba(176,92,58,.2);flex-wrap:wrap}.ollama-status__pulling{font-style:italic;opacity:.75}.system-settings-modal{max-width:420px;width:90%}.system-settings-modal__header{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}.system-settings-modal__header .modal__title{margin-bottom:0}.system-setting-row{display:flex;align-items:flex-start;gap:16px;justify-content:space-between;padding:14px 0;border-top:1px solid var(--border)}.system-setting-row__info{display:flex;flex-direction:column;gap:4px;flex:1}.system-setting-row__label{font-size:13.5px;font-weight:600;color:var(--ink)}.system-setting-row__hint{font-size:12px;color:var(--ink-soft);line-height:1.5}.toggle-switch{position:relative;width:44px;height:24px;background:var(--border);border-radius:12px;border:none;cursor:pointer;transition:background .22s ease;flex-shrink:0;padding:0;margin-top:2px}.toggle-switch--on{background:var(--sage)}.toggle-switch:disabled{opacity:.5;cursor:not-allowed}.toggle-switch__knob{position:absolute;top:3px;left:3px;width:18px;height:18px;background:#fff;border-radius:50%;box-shadow:0 1px 4px #0000002e;transition:transform .22s ease}.toggle-switch--on .toggle-switch__knob{transform:translate(20px)}.lesson-icon-btn{width:30px;height:30px;padding:0!important;display:inline-flex;align-items:center;justify-content:center;flex-shrink:0}.lesson-icon-btn svg{width:14px;height:14px;flex-shrink:0}.sidebar__close-btn{display:none}.dashboard__sidebar-toggle{display:none;flex-direction:column;justify-content:center;gap:4.5px;width:34px;height:34px;flex-shrink:0;background:none;border:1px solid var(--border);border-radius:8px;cursor:pointer;padding:8px;transition:background .15s}.dashboard__sidebar-toggle:hover{background:var(--cream-dark)}.dashboard__sidebar-toggle span{display:block;height:1.5px;background:var(--ink-soft);border-radius:2px}@media(max-width:768px){.dashboard__sidebar-toggle{display:flex}.dashboard__sidebar{position:fixed;top:0;left:0;height:100%;z-index:300;transform:translate(-100%);transition:transform .25s ease;box-shadow:none;min-height:unset}.dashboard__sidebar--open{transform:translate(0);box-shadow:4px 0 32px #00000059}.dashboard__sidebar-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000073;z-index:299;animation:overlay-fade-in .2s ease}@keyframes overlay-fade-in{0%{opacity:0}to{opacity:1}}.dashboard__header{padding:0 16px;position:sticky;z-index:301}.sidebar__close-btn{display:flex;position:absolute;top:16px;right:16px;align-items:center;justify-content:center;width:28px;height:28px;background:#ffffff14;border:1px solid rgba(255,255,255,.12);border-radius:6px;color:#fff9;cursor:pointer;transition:background .15s;z-index:1}.sidebar__close-btn:hover{background:#ffffff24;color:#fff}.dashboard__body{padding:20px 16px}.teacher-view,.student-view,.tech-support-view{max-width:100%}.student-search-area{width:100%}.lesson-row__actions{opacity:1}.chat-widget{right:12px;left:12px;width:auto;bottom:80px}.chat-fab{bottom:16px;right:16px}.dict-modal{width:100vw!important;max-width:100vw!important;max-height:100dvh!important;border-radius:0!important;margin:0!important;height:100dvh}.dict-modal__layout{flex-direction:column;min-height:0;max-height:none;flex:1;overflow:hidden}.dict-sidebar{width:100%;height:auto;border-right:none;border-bottom:1px solid var(--border);flex-shrink:0}.dict-sidebar__list{display:flex;flex-direction:row;overflow-x:auto;overflow-y:visible;padding:6px 8px;gap:4px;max-height:none;flex:unset}.dict-sidebar__item{flex-shrink:0;border-left:none;border-bottom:2px solid transparent;border-radius:6px;padding:6px 12px;white-space:nowrap}.dict-sidebar__item--active{border-left-color:transparent;border-bottom-color:var(--terra)}.dict-sidebar__new{border-top:1px solid var(--border);padding:8px 10px;flex-direction:row;gap:6px}.dict-main{flex:1;min-height:0;overflow-y:auto}.dict-main__header{flex-wrap:wrap;gap:8px;padding:10px 14px}.dict-main__header .modal__title{font-size:15px}.dict-add-form{padding:10px 14px}.dict-entries{padding:0 14px 20px}.dict-table{font-size:12px}.dict-table th,.dict-table td{padding:7px 6px}.dict-table__actions{opacity:1}}.library-page{max-width:800px;margin:0 auto;padding:24px}.library-page__header{display:flex;align-items:center;gap:16px;margin-bottom:24px}.library-page__header h2{font-family:Lora,Georgia,serif;font-size:17px;font-weight:600;color:var(--ink);margin:0;flex:1}.library-page__create-form{display:flex;gap:8px;align-items:center;margin-bottom:24px}.library-page__create-form input[type=text],.library-page__create-form input:not([type=checkbox]){flex:1;padding:8px 12px;border:1px solid var(--border);border-radius:8px;font-size:13px;font-family:Mulish,sans-serif;background:var(--cream);color:var(--ink)}.library-page__create-form input:focus{outline:none;border-color:var(--terra-light)}.library-page__create-form input::placeholder{color:var(--ink-faint)}.library-list{display:flex;flex-direction:column;gap:8px}.library-item{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;background:#fff;border:1px solid var(--border);border-radius:10px;transition:box-shadow .15s}.library-item:hover{box-shadow:0 4px 16px var(--shadow)}.library-item__info{display:flex;flex-direction:column;gap:2px}.library-item__title{font-weight:600;font-size:13.5px;color:var(--ink-mid);display:flex;align-items:center;gap:6px}.library-item__meta{font-size:11px;color:var(--ink-faint)}.library-item__actions{display:flex;gap:8px;align-items:center}.library-picker{max-height:420px;overflow-y:auto;display:flex;flex-direction:column;gap:6px;margin-top:12px}.library-picker__search{width:100%;padding:8px 12px;border:1px solid var(--border);border-radius:8px;font-size:13px;font-family:Mulish,sans-serif;background:var(--cream);color:var(--ink);margin-bottom:8px;box-sizing:border-box}.library-picker__search:focus{outline:none;border-color:var(--terra-light)}.library-picker__search::placeholder{color:var(--ink-faint)}.library-picker__item{display:flex;align-items:center;justify-content:space-between;padding:10px 14px;background:var(--cream);border:1px solid var(--border);border-radius:8px;cursor:pointer;text-align:left;width:100%;transition:all .15s}.library-picker__item:hover{background:var(--terra-faint);border-color:var(--terra-light)}.library-picker__item-title{font-weight:600;font-size:13px;color:var(--ink-mid);display:flex;align-items:center;gap:6px}.library-picker__item-meta{font-size:12px;color:var(--ink-soft)}.lesson-tags{display:flex;flex-wrap:wrap;gap:4px;margin-top:4px}.lesson-tag{display:inline-flex;align-items:center;gap:4px;padding:2px 8px;background:var(--blue-faint);color:var(--blue);border-radius:20px;font-size:11px;font-weight:600}.lesson-tag--removable{padding-right:4px}.lesson-tag__remove{background:none;border:none;padding:0 2px;cursor:pointer;color:var(--blue);font-size:12px;line-height:1;opacity:.6}.tag-filter{display:flex;flex-wrap:wrap;align-items:center;gap:6px;margin-bottom:14px}.tag-filter__label{font-size:12px;color:var(--ink-soft);font-weight:600;text-transform:uppercase;letter-spacing:.08em}.tag-chip{padding:3px 12px;border:1px solid var(--border);border-radius:20px;background:#fff;color:var(--ink-soft);font-size:12px;cursor:pointer;transition:all .15s;font-family:Mulish,sans-serif}.tag-chip:hover{background:var(--cream-dark);color:var(--ink)}.tag-chip--active{background:var(--terra);border-color:var(--terra);color:#fff}.editor{display:flex;flex-direction:column;height:100vh;background:var(--cream);overflow:hidden}.editor__header{height:84px;background:var(--ink);display:flex;align-items:center;flex-shrink:0;position:relative;z-index:20}.editor__back{display:flex;align-items:center;gap:8px;padding:0 26px;height:100%;color:#ffffff80;font-size:16px;font-weight:500;cursor:pointer;border-right:1px solid rgba(255,255,255,.08);transition:color .15s;text-decoration:none;background:none;border-top:none;border-bottom:none}.editor__back:hover{color:#ffffffd9}.editor__title{padding:0 20px;flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.editor__title-input{background:transparent;border:none;outline:none;font-family:Lora,Georgia,serif;font-size:22px;font-weight:600;color:#fff;letter-spacing:.01em;width:440px;padding:7px 12px;border-radius:6px;border-bottom:1px solid transparent;transition:all .15s}.editor__title-input:hover{border-bottom-color:#fff3}.editor__title-input:focus{background:#ffffff0f;border-bottom-color:var(--terra-light)}.editor__title-input::placeholder{color:#ffffff4d}.editor__hw-toggle{display:flex;align-items:center;gap:9px;font-size:17px;color:#ffffff8c;cursor:pointer;padding:0 24px;-webkit-user-select:none;user-select:none}.editor__hw-toggle input[type=checkbox]{width:20px;height:20px;cursor:pointer;accent-color:var(--terra-light)}.editor__header-right{display:flex;align-items:center;gap:8px;padding:0 20px;border-left:1px solid rgba(255,255,255,.08);height:100%}.editor__btn{display:inline-flex;align-items:center;gap:8px;padding:11px 22px;border-radius:8px;font-family:Mulish,sans-serif;font-size:16px;font-weight:600;cursor:pointer;border:1px solid rgba(255,255,255,.15);background:transparent;color:#ffffffb3;transition:all .15s;white-space:nowrap}.editor__btn:hover{background:#ffffff14;color:#fff;border-color:#ffffff40}.editor__btn--primary{background:var(--terra);color:#fff;border-color:var(--terra)}.editor__btn--primary:hover{background:#9a4f30;border-color:#9a4f30}.editor__body{display:flex;flex:1;overflow:hidden}.editor__slides{width:200px;flex-shrink:0;background:#fff;border-right:1px solid var(--border);overflow-y:auto;display:flex;flex-direction:column}.editor__slides-header{display:flex;align-items:center;justify-content:space-between;padding:12px 14px;border-bottom:1px solid var(--border)}.editor__slides-title{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.12em;color:var(--ink-faint)}.editor__slides-list{flex:1;padding:8px;display:flex;flex-direction:column;gap:4px}.slide-item{padding:10px 12px;border-radius:8px;cursor:pointer;font-size:12px;color:var(--ink-soft);border:1px solid transparent;transition:all .15s;-webkit-user-select:none;user-select:none;display:flex;align-items:center;gap:8px}.slide-item:hover{background:var(--cream);color:var(--ink)}.slide-item--active{background:var(--terra-faint);border-color:#b05c3a40;color:var(--terra);font-weight:600}.slide-item__num{font-size:10px;font-weight:700;color:var(--ink-faint);min-width:16px}.slide-item--active .slide-item__num{color:var(--terra)}.editor__title{padding:0 24px;flex:1;font-family:Lora,Georgia,serif;font-size:22px;font-weight:600;color:#ffffffe6;letter-spacing:.01em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.editor__panel-label{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.12em;color:var(--ink-faint);padding:12px 14px 6px}.slide-list{list-style:none;margin:0;padding:4px 8px 0;flex:1;overflow-y:auto;display:flex;flex-direction:column;gap:2px}.slide-item__title{flex:1;font-size:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.slide-item--active .slide-item__title{color:var(--terra)}.slide-item__actions{display:flex;gap:2px;opacity:0;transition:opacity .15s;flex-shrink:0}.slide-item:hover .slide-item__actions{opacity:1}.slide-item__btn,.slide-item__del{width:22px;height:22px;border-radius:4px;border:none;background:transparent;cursor:pointer;font-size:13px;display:flex;align-items:center;justify-content:center;color:var(--ink-soft);transition:all .12s}.slide-item__btn:hover{background:var(--cream-dark);color:var(--ink)}.slide-item__del:hover{background:#fee2e2;color:#b03030}.slide-add-row{padding:8px;border-top:1px solid var(--border);display:flex;flex-direction:column;gap:4px;flex-shrink:0}.btn--add-slide{width:100%;padding:7px 12px;border-radius:7px;border:1px solid var(--border);background:var(--cream);color:var(--terra);font-size:12px;font-weight:600;font-family:Mulish,sans-serif;cursor:pointer;transition:all .15s;text-align:center}.btn--add-slide:hover{background:var(--terra-faint);border-color:var(--terra-light)}.btn--add-slide--ghost{color:var(--ink-soft);background:transparent}.btn--add-slide--ghost:hover{color:var(--ink);background:var(--cream-dark);border-color:var(--border)}.editor__main{flex:1;min-width:0;display:flex;flex-direction:column;min-height:0;background:var(--cream)}.slide-title-input{background:transparent;border:none;outline:none;font-family:Lora,Georgia,serif;font-size:18px;font-weight:600;color:var(--ink);width:100%;padding:20px 24px 14px;border-bottom:1px solid var(--border);flex-shrink:0;transition:border-color .15s,background .15s}.slide-title-input:focus{background:#d4836a06;border-bottom-color:var(--terra-light)}.slide-title-input::placeholder{color:var(--ink-faint);font-style:italic;font-weight:400}.exercises{flex:1;overflow-y:auto;padding:16px 24px;display:flex;flex-direction:column;gap:8px}.exercise-card{background:#fff;border:1px solid var(--border);border-radius:12px;display:flex;align-items:center;gap:12px;padding:13px 18px;transition:box-shadow .15s}.exercise-card:hover{box-shadow:0 3px 14px var(--shadow);border-color:var(--terra-light);background:var(--terra-faint)}.exercise-card--editing{display:block;padding:0;box-shadow:0 4px 20px var(--shadow)}.exercise-card--editing:hover{box-shadow:0 4px 20px var(--shadow)}.ex-type-badge{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.1em;background:var(--terra-faint);color:var(--terra);padding:3px 8px;border-radius:4px;white-space:nowrap;flex-shrink:0}.ex-preview{flex:1;font-size:13px;color:var(--ink-mid);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;min-width:0}.ex-actions{display:flex;gap:6px;flex-shrink:0;opacity:0;transition:opacity .15s}.exercise-card:hover .ex-actions{opacity:1}.add-exercise-form{display:flex;align-items:center;gap:8px;padding:12px 24px 16px;border-top:1px solid var(--border);background:var(--cream);flex-shrink:0}.add-exercise-form select{flex:1;padding:7px 10px;border:1px solid var(--border);border-radius:8px;font-size:13px;font-family:Mulish,sans-serif;background:#fff;color:var(--ink);cursor:pointer}.add-exercise-form select:focus{outline:none;border-color:var(--terra-light)}.editor__side{width:260px;flex-shrink:0;background:#fff;border-left:1px solid var(--border);overflow-y:auto;display:flex;flex-direction:column}.side-section{padding:14px 16px;border-bottom:1px solid var(--border);display:flex;flex-direction:column;gap:8px}.side-section__title{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.12em;color:var(--ink-faint);margin-bottom:2px}.lesson-tags{display:flex;flex-wrap:wrap;gap:6px}.lesson-tag{font-size:12px;font-weight:600;background:var(--terra-faint);color:var(--terra);padding:3px 8px;border-radius:20px;display:inline-flex;align-items:center;gap:4px}.lesson-tag__remove{background:none;border:none;cursor:pointer;color:var(--terra);font-size:14px;line-height:1;padding:0;opacity:.55;transition:opacity .12s}.lesson-tag__remove:hover{opacity:1}.inline-form{display:flex;gap:6px}.inline-form input{flex:1;padding:6px 10px;border:1px solid var(--border);border-radius:7px;font-size:13px;font-family:Mulish,sans-serif;background:var(--cream);color:var(--ink);min-width:0}.inline-form input:focus{outline:none;border-color:var(--terra-light)}.inline-form input::placeholder{color:var(--ink-faint)}.side-section form textarea{width:100%;padding:8px 10px;border:1px solid var(--border);border-radius:8px;font-size:12.5px;font-family:Mulish,sans-serif;background:var(--cream);color:var(--ink);resize:vertical;box-sizing:border-box;line-height:1.5}.side-section form textarea:focus{outline:none;border-color:var(--terra-light)}.side-section form textarea::placeholder{color:var(--ink-faint)}.side-section form textarea:disabled,.side-section form select:disabled{opacity:.5;cursor:not-allowed}.side-section form select{width:100%;padding:6px 10px;border:1px solid var(--border);border-radius:7px;font-size:12.5px;font-family:Mulish,sans-serif;background:var(--cream);color:var(--ink);cursor:pointer}.side-section form select:focus{outline:none;border-color:var(--terra-light)}.ai-count-row{display:flex;align-items:center;gap:8px}.ai-count-row label{font-size:11.5px;color:var(--ink-soft);flex-shrink:0}.ai-count-row input[type=number]{width:56px;padding:5px 8px;border:1px solid var(--border);border-radius:6px;font-size:13px;font-family:Mulish,sans-serif;background:var(--cream);color:var(--ink);text-align:center}.ai-count-row input[type=number]:focus{outline:none;border-color:var(--terra-light)}.full-width{width:100%;justify-content:center}.form-error{font-size:12px;color:#b03030;background:#fee2e2;border:1px solid #FCCACA;border-radius:6px;padding:6px 10px}.slide-media-item{display:flex;flex-direction:column;gap:5px;padding:7px 0;border-bottom:1px solid rgba(216,210,198,.5)}.slide-media-item__top{display:flex;align-items:center;gap:8px}.slide-media-item__name{flex:1;font-size:12.5px;color:var(--ink-mid);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.slide-media-item__width{display:flex;align-items:center;gap:6px;font-size:11px;color:var(--ink-soft)}.slide-media-item__width input[type=range]{flex:1}.enrollment-row{display:flex;align-items:center;gap:8px;padding:5px 0;border-bottom:1px solid rgba(216,210,198,.4)}.enrollment-row__info{flex:1;min-width:0;display:flex;flex-direction:column;gap:1px}.enrollment-row__name{font-size:13px;font-weight:600;color:var(--ink);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.enrollment-row__email{font-size:11px;color:var(--ink-faint)}.enrollment-form{display:flex;gap:6px}.enrollment-autocomplete{flex:1;position:relative}.enrollment-autocomplete input{width:100%;padding:7px 10px;border:1px solid var(--border);border-radius:7px;font-size:13px;font-family:Mulish,sans-serif;background:var(--cream);color:var(--ink);box-sizing:border-box}.enrollment-autocomplete input:focus{outline:none;border-color:var(--terra-light)}.enrollment-autocomplete input::placeholder{color:var(--ink-faint)}.enrollment-dropdown{position:absolute;top:calc(100% + 4px);left:0;right:0;background:#fff;border:1px solid var(--border);border-radius:8px;box-shadow:0 4px 20px var(--shadow);z-index:100;overflow:hidden}.enrollment-dropdown__item{display:flex;flex-direction:column;gap:1px;padding:8px 12px;cursor:pointer;border:none;background:transparent;text-align:left;width:100%;transition:background .12s}.enrollment-dropdown__item:hover{background:var(--cream)}.enrollment-dropdown__name{font-size:13px;font-weight:600;color:var(--ink)}.enrollment-dropdown__email{font-size:11px;color:var(--ink-faint)}.mc-options{display:flex;flex-direction:column;gap:6px}.mc-option{display:flex;align-items:center;gap:8px}.mc-option input[type=text]{flex:1;padding:6px 10px;border:1px solid var(--border);border-radius:6px;font-size:13px;font-family:Mulish,sans-serif;background:var(--cream);color:var(--ink)}.mc-option input[type=text]:focus{outline:none;border-color:var(--terra-light)}.mc-option input[type=checkbox],.mc-option input[type=radio]{accent-color:var(--terra);width:15px;height:15px;flex-shrink:0}.fill-blank-preview{font-size:14px;line-height:2;color:var(--ink-mid)}.fill-blank-preview__gap{display:inline-block;min-width:60px;border-bottom:2px solid var(--terra-light);margin:0 4px;color:var(--terra);font-weight:600;text-align:center}.pair-list{display:flex;flex-direction:column;gap:8px}.pair-item{display:flex;align-items:center;gap:8px}.pair-item input{flex:1;padding:6px 10px;border:1px solid var(--border);border-radius:6px;font-size:13px;font-family:Mulish,sans-serif;background:var(--cream);color:var(--ink)}.pair-item input:focus{outline:none;border-color:var(--terra-light)}.pair-item__sep{color:var(--ink-faint);font-size:12px;flex-shrink:0}.bilingual-block{background:#fff;border:1px solid var(--border);border-radius:12px;overflow:hidden;margin-bottom:12px}.bilingual-block__header{display:flex;align-items:center;gap:10px;padding:12px 16px;border-bottom:1px solid var(--border);background:var(--cream)}.bilingual-block__lang{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:var(--ink-faint)}.bilingual-block__body{display:grid;grid-template-columns:1fr 1fr}.bilingual-block__col{padding:16px}.bilingual-block__col+.bilingual-block__col{border-left:1px solid var(--border)}.bilingual-block__textarea{width:100%;min-height:120px;padding:0;border:none;outline:none;font-size:14px;font-family:Mulish,sans-serif;line-height:1.7;background:transparent;color:var(--ink-mid);resize:vertical;box-sizing:border-box}.bilingual-block__textarea::placeholder{color:var(--ink-faint)}.editor__generate-link{font-size:12px;color:var(--terra);text-decoration:underline;cursor:pointer;background:none;border:none;padding:0}.editor__generate-link:hover{color:var(--terra-light)}.editor__status{font-size:11px;color:#ffffff59;padding:0 12px}.editor__empty{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;color:var(--ink-faint);font-size:14px;padding:40px;text-align:center}.lesson-editor{display:flex;flex-direction:column;min-height:100vh;background:var(--cream)}.lesson-editor__topbar{height:54px;background:var(--ink);display:flex;align-items:center;gap:0;flex-shrink:0;position:sticky;top:0;z-index:20}.lesson-editor__topbar .btn--ghost{height:100%;border-radius:0;border-right:1px solid rgba(255,255,255,.08);padding:0 20px;color:#ffffff8c;font-size:12.5px;font-weight:500;background:none;border-top:none;border-bottom:none;border-left:none;transition:color .15s}.lesson-editor__topbar .btn--ghost:hover{color:#ffffffe6;background:#ffffff0d}.lesson-editor__title-wrap{flex:1;display:flex;align-items:center;gap:10px;padding:0 20px;min-width:0}.lesson-editor__title-input{background:transparent;border:none;outline:none;font-family:Lora,Georgia,serif;font-size:15px;font-weight:600;color:#fff;letter-spacing:.01em;min-width:0;flex:1;max-width:400px;padding:4px 8px;border-radius:6px;border-bottom:1px solid transparent;transition:all .15s}.lesson-editor__title-input:hover{border-bottom-color:#fff3}.lesson-editor__title-input:focus{background:#ffffff0f;border-bottom-color:var(--terra-light)}.lesson-editor__title-input::placeholder{color:#ffffff4d}.lesson-editor__autosave{font-size:11px;color:#ffffff59;white-space:nowrap;flex-shrink:0}.lesson-editor__body{flex:1;display:flex;justify-content:center;padding:32px 24px}.lesson-editor__exercises{width:100%;max-width:680px;display:flex;flex-direction:column;gap:12px}.lesson-editor__section-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:4px}.lesson-editor__section-header span{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.12em;color:var(--ink-faint)}.lesson-editor__exercise-row{background:#fff;border:1px solid var(--border);border-radius:12px;overflow:hidden;transition:box-shadow .15s}.lesson-editor__exercise-row:hover{box-shadow:0 4px 16px var(--shadow);border-color:var(--terra-light)}.lesson-editor__exercise-preview{display:flex;align-items:center;justify-content:space-between;padding:14px 18px;gap:12px}.lesson-editor__exercise-meta{display:flex;flex-direction:column;gap:3px;min-width:0;flex:1}.lesson-editor__exercise-type{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:var(--terra);background:var(--terra-faint);padding:2px 7px;border-radius:4px;width:fit-content}.lesson-editor__exercise-text{font-size:13px;color:var(--ink-mid);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:480px}.lesson-editor__exercise-actions{display:flex;gap:6px;align-items:center;flex-shrink:0;opacity:0;transition:opacity .15s}.lesson-editor__exercise-row:hover .lesson-editor__exercise-actions{opacity:1}.lesson-editor__add-exercise{display:flex;align-items:center;gap:10px;background:#fff;border:1px dashed var(--border);border-radius:12px;padding:14px 18px;transition:border-color .15s,background .15s}.lesson-editor__add-exercise:hover{border-color:var(--terra-light);background:var(--terra-faint)}.lesson-editor__ex-type-select{flex:1;padding:6px 10px;border:1px solid var(--border);border-radius:8px;font-size:13px;font-family:Mulish,sans-serif;background:var(--cream);color:var(--ink)}.lesson-editor__ex-type-select:focus{outline:none;border-color:var(--terra-light)}.ex-editor-wrapper{border-top:1px solid var(--border);background:var(--cream)}.ex-editor-wrapper__header{display:flex;align-items:center;gap:10px;padding:10px 18px;background:var(--ink);border-bottom:1px solid rgba(255,255,255,.07)}.ex-editor-wrapper__type-badge{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.1em;background:var(--terra);color:#fff;padding:3px 8px;border-radius:4px;flex-shrink:0}.ex-editor-wrapper__title{font-size:12px;font-weight:500;color:#fff6;flex:1}.ex-editor-wrapper__close{display:flex;align-items:center;justify-content:center;width:26px;height:26px;border-radius:6px;border:1px solid rgba(255,255,255,.12);background:transparent;color:#ffffff73;cursor:pointer;transition:all .15s;flex-shrink:0}.ex-editor-wrapper__close:hover{background:#ffffff14;color:#ffffffd9;border-color:#fff3}.ex-editor__description-section{padding:16px 20px;border-bottom:1px solid var(--border);background:#fff}.ex-label{display:block;font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:var(--ink-faint);margin-bottom:6px}.ex-description-input{width:100%;padding:8px 12px;border:1px solid var(--border);border-radius:8px;font-size:13px;font-family:Mulish,sans-serif;background:var(--cream);color:var(--ink);resize:vertical;min-height:60px;box-sizing:border-box;line-height:1.5}.ex-description-input:focus{outline:none;border-color:var(--terra-light);box-shadow:0 0 0 3px #d4836a14}.ex-description-input::placeholder{color:var(--ink-faint)}.ex-editor{padding:16px 20px;display:flex;flex-direction:column;gap:8px;background:var(--cream);border-bottom:1px solid var(--border)}.ex-editor>label{display:block;font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:var(--ink-faint);margin-top:6px}.ex-editor>label:first-child{margin-top:0}.ex-editor>textarea{width:100%;padding:8px 12px;border:1px solid var(--border);border-radius:8px;font-size:13px;font-family:Mulish,sans-serif;background:#fff;color:var(--ink);resize:vertical;box-sizing:border-box;line-height:1.5}.ex-editor>textarea:focus{outline:none;border-color:var(--terra-light);box-shadow:0 0 0 3px #d4836a14}.ex-editor>textarea::placeholder{color:var(--ink-faint)}.ex-editor input:not([type=checkbox]):not([type=radio]):not([type=range]){padding:7px 10px;border:1px solid var(--border);border-radius:7px;font-size:13px;font-family:Mulish,sans-serif;background:#fff;color:var(--ink);min-width:0;transition:border-color .15s}.ex-editor input:not([type=checkbox]):not([type=radio]):not([type=range]):focus{outline:none;border-color:var(--terra-light)}.ex-editor input:not([type=checkbox]):not([type=radio]):not([type=range])::placeholder{color:var(--ink-faint)}.ex-editor-actions{display:flex;gap:8px;justify-content:flex-end;padding-top:12px;border-top:1px solid var(--border);margin-top:4px}.mc-option-row{display:flex;align-items:center;gap:8px}.mc-option-row input[type=checkbox]{accent-color:var(--terra);width:15px;height:15px;flex-shrink:0;cursor:pointer}.mc-option-row input:not([type=checkbox]){flex:1}.blank-row{display:flex;align-items:center;gap:8px}.blank-row input{flex:1}.blank-id{font-family:Courier New,monospace;font-size:11px;background:var(--terra-faint);color:var(--terra);padding:3px 7px;border-radius:4px;white-space:nowrap;flex-shrink:0;font-weight:600}.row-with-del{display:flex;align-items:center;gap:8px}.row-with-del input{flex:1}.slot-row{display:flex;align-items:center;gap:8px}.slot-row input{flex:1}.slot-row select{flex:1;padding:7px 10px;border:1px solid var(--border);border-radius:7px;font-size:13px;font-family:Mulish,sans-serif;background:#fff;color:var(--ink);cursor:pointer}.slot-row select:focus{outline:none;border-color:var(--terra-light)}.matching-header{display:grid;grid-template-columns:1fr 1fr 34px;gap:8px;font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:var(--ink-faint);padding:0 2px}.matching-row{display:grid;grid-template-columns:1fr 1fr 34px;gap:8px;align-items:center}.matching-row input{width:100%}.bt-phrase-row{display:flex;align-items:center;gap:8px}.bt-phrase-row input{flex:1}.bt-copy-id{flex-shrink:0}.bt-copy-id code{font-family:Courier New,monospace;font-size:11px;color:var(--terra)}.ex-media-section{padding:14px 20px 18px;background:var(--cream-dark);display:flex;flex-direction:column;gap:8px}.ex-media-section__title{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:var(--ink-faint)}.ex-media-item{display:flex;align-items:center;gap:8px;padding:6px 0;border-bottom:1px solid var(--border)}.ex-media-item__name{flex:1;font-size:13px;color:var(--ink-mid);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.ex-media-item__width{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--ink-soft)}.media-upload-label{display:inline-flex;align-items:center;padding:6px 14px;border-radius:8px;font-size:12px;font-weight:600;font-family:Mulish,sans-serif;cursor:pointer;border:1px dashed var(--border);background:transparent;color:var(--ink-soft);transition:all .15s;align-self:flex-start}.media-upload-label:hover{border-color:var(--terra-light);color:var(--terra);background:var(--terra-faint)}.media-upload-label--loading{opacity:.55;cursor:wait}.empty-hint{font-size:13px;color:var(--ink-faint);font-style:italic}@media(max-width:640px){.editor__header{height:auto;min-height:60px;flex-wrap:wrap;row-gap:4px;padding:6px 0}.editor__back{height:auto;padding:8px 12px;font-size:13px;border-right:none}.editor__title{flex:1 1 100%;order:-1;padding:4px 14px;font-size:15px}.editor__hw-toggle{padding:8px 12px;font-size:13px;gap:6px}.editor__hw-toggle input[type=checkbox]{width:16px;height:16px}.editor__body{flex-direction:column;overflow:auto}.editor__slides{width:100%;height:auto;flex-shrink:0;border-right:none;border-bottom:1px solid var(--border);overflow-y:visible;overflow-x:auto}.editor__slides-list{flex-direction:row;padding:8px;gap:6px}.slide-list{flex-direction:row;overflow-x:auto;overflow-y:visible;padding:8px;gap:6px}.slide-item{flex-shrink:0;width:120px}.editor__main{min-height:0;overflow-y:auto}.editor__side{display:none}.editor__title-input{width:100%;max-width:100%}.slide-item__actions{opacity:1}}.ex-shell{display:flex;flex-direction:column}.ex-shell__toolbar{display:flex;align-items:center;gap:12px;padding:10px 20px;background:var(--cream-dark);border-bottom:1px solid var(--border)}.ex-shell__toggle{display:inline-flex;background:var(--cream);border:1px solid var(--border);border-radius:7px;padding:2px;gap:2px}.ex-shell__toggle button{border:none;background:transparent;color:var(--ink-soft);font-size:12px;font-weight:600;padding:4px 14px;border-radius:5px;cursor:pointer;transition:background .12s,color .12s}.ex-shell__toggle button.is-active{background:var(--terra);color:#fff}.ex-shell__warn{font-size:11.5px;font-weight:600;color:var(--terra);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.ex-editor-actions--shell{padding:12px 20px}.raw-editor{padding:16px 20px;background:var(--cream);border-bottom:1px solid var(--border)}.raw-editor__wrap{position:relative;height:320px;border:1px solid var(--border);border-radius:8px;background:#fff;overflow:hidden}.raw-editor__highlight,.raw-editor__input{position:absolute;top:0;right:0;bottom:0;left:0;margin:0;padding:12px 14px;border:0;font-family:SFMono-Regular,Menlo,Consolas,Liberation Mono,monospace;font-size:12.5px;line-height:1.55;white-space:pre-wrap;word-break:break-word;overflow:auto;-moz-tab-size:2;tab-size:2}.raw-editor__highlight{pointer-events:none;color:var(--ink);background:transparent}.raw-editor__input{color:transparent;caret-color:var(--ink);background:transparent;resize:none;outline:none}.raw-editor__highlight .tok-key{color:#7a3e9d}.raw-editor__highlight .tok-str{color:#2e7d52}.raw-editor__highlight .tok-num{color:#b05c3a}.raw-editor__highlight .tok-kw{color:#1d6fb8;font-weight:600}.raw-editor__highlight .tok-ph{background:var(--terra-faint);color:var(--terra);font-weight:700;border-radius:3px;padding:0 2px}.raw-editor__error{margin-top:8px;font-size:12px;font-weight:600;color:#b03030}.raw-editor__warns{margin:8px 0 0;padding-left:0;list-style:none;display:flex;flex-direction:column;gap:3px;font-size:11.5px;color:var(--terra)}.raw-editor__ok{margin-top:8px;font-size:11.5px;font-weight:600;color:#2e7d52}.wo-edit-item,.cards-edit-item{border:1px solid var(--border);border-radius:8px;padding:10px 12px;display:flex;flex-direction:column;gap:6px;background:#fff}.wo-edit-item__head,.cards-edit-item__head{display:flex;justify-content:space-between;align-items:center;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--ink-faint)}.wb-edit-bank-actions{display:flex;gap:8px}.tr-edit-row,.rt-edit-row{display:flex;align-items:center;gap:8px}.tr-edit-row>input,.rt-edit-row>input{flex:1}.tr-edit-arrow{color:var(--ink-faint);flex-shrink:0}.gt-edit-grid{display:grid;gap:6px;align-items:center}.gt-edit-colbtns{display:flex;gap:4px}.cards-edit-media{display:flex;flex-wrap:wrap;align-items:center;gap:8px}.cards-edit-imgsize{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--ink-soft)}.cards-edit-imgsize input[type=range]{flex:1;accent-color:var(--terra)}.ex-preview{border-bottom:1px solid var(--border)}.ex-preview__label{padding:8px 20px;background:var(--cream-dark);border-bottom:1px solid var(--border);font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:var(--ink-faint)}.ex-preview__stage{padding:16px 20px;background:var(--cream)}.bt-edit-hint{font-size:12px;color:var(--ink-faint);line-height:1.5}.bt-edit-wrap{position:relative}.bt-toolbar{display:flex;gap:6px;margin:6px 0}.bt-toolbar button{min-width:30px;padding:4px 10px;border:1px solid var(--border);border-radius:6px;background:var(--cream);color:var(--ink-mid);font-size:13px;font-weight:600;cursor:pointer;transition:all .12s}.bt-toolbar button:hover{border-color:var(--terra-light);color:var(--terra);background:var(--terra-faint)}.bt-edit{min-height:84px;border:1px solid var(--border);border-radius:8px;padding:10px 14px;background:#fff;font-size:15px;line-height:1.9;color:var(--ink-mid);outline:none}.bt-edit:focus{border-color:var(--terra)}.bt-edit ul{margin:4px 0;padding-left:24px;list-style:disc}.bt-edit li{margin:2px 0}.bt-edit b,.bt-edit strong{font-weight:700}.bt-edit i,.bt-edit em{font-style:italic}.bt-edit-phrase{background:var(--terra-faint);color:var(--terra);border-bottom:2px solid var(--terra-light);border-radius:4px;padding:1px 5px;font-weight:600;cursor:pointer;-webkit-user-select:none;user-select:none}.bt-add-btn{position:absolute;z-index:20;transform:translate(-50%,calc(-100% - 6px));background:var(--terra);color:#fff;border:none;border-radius:6px;padding:5px 11px;font-size:12px;font-weight:600;cursor:pointer;white-space:nowrap;box-shadow:0 3px 10px #00000038}.bt-pop{position:absolute;z-index:20;transform:translateY(6px);background:#fff;border:1px solid var(--border);border-radius:8px;padding:8px;box-shadow:0 6px 20px #00000029;display:flex;flex-direction:column;gap:8px;align-items:stretch}.bt-pop__alts{display:flex;flex-direction:column;gap:4px;font-size:11px;font-weight:600;color:var(--ink-soft);white-space:nowrap}.bt-pop input{border:1px solid var(--border);border-radius:6px;padding:5px 9px;font-size:13px;outline:none;min-width:160px}.bt-pop input:focus{border-color:var(--terra)}.cve-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px}.cve-card{border:1px solid var(--border);border-radius:10px;background:#fff;display:flex;flex-direction:column}.cve-card__bar{display:flex;align-items:center;gap:6px;padding:6px 8px;background:var(--cream-dark);border-bottom:1px solid var(--border);border-radius:10px 10px 0 0;font-size:11px;color:var(--ink-faint);cursor:grab}.cve-card__bar:active{cursor:grabbing}.cve-card__label{flex:1;font-weight:700;text-transform:uppercase;letter-spacing:.06em}.cve-handle{cursor:grab;color:var(--ink-faint);-webkit-user-select:none;user-select:none}.cve-handle:active{cursor:grabbing}.cve-card__body{padding:8px;display:flex;flex-direction:column;gap:6px}.cve-block{display:flex;align-items:flex-start;gap:4px;border:1px dashed transparent;border-radius:6px;padding:2px}.cve-block:hover{border-color:var(--border)}.cve-handle--block{padding-top:4px;font-size:12px}.cve-block__body{flex:1;min-width:0}.cve-block__del{border:none;background:transparent;color:var(--ink-faint);cursor:pointer;font-size:14px;line-height:1;padding:2px 4px}.cve-block__del:hover{color:#b03030}.cve-text{width:100%;border:1px solid var(--border);border-radius:6px;padding:4px 8px;font-family:inherit;font-size:13px;color:var(--ink-mid);outline:none;background:#fff}.cve-text:focus{border-color:var(--terra)}.cve-text--title{font-weight:700;color:var(--terra)}.cve-text--subtitle{font-size:12px;color:var(--ink-soft)}.cve-text--body{resize:vertical}.cve-img{position:relative;display:inline-block;max-width:100%;vertical-align:top}.cve-img img{display:block;width:100%;border-radius:6px}.cve-resize{position:absolute;right:-5px;bottom:-5px;width:14px;height:14px;border:2px solid var(--terra);border-radius:50%;background:#fff;cursor:nwse-resize;touch-action:none}.cve-add{position:relative;align-self:flex-start}.cve-add__menu{position:absolute;z-index:10;top:100%;left:0;margin-top:4px;background:#fff;border:1px solid var(--border);border-radius:8px;box-shadow:0 6px 20px #0000001f;display:flex;flex-direction:column;min-width:150px;overflow:hidden}.cve-add__menu button,.cve-add__menu label{text-align:left;padding:7px 12px;border:none;background:transparent;font:inherit;font-size:13px;cursor:pointer;color:var(--ink-mid)}.cve-add__menu button:hover,.cve-add__menu label:hover{background:var(--cream)}.cve2{display:flex;flex-direction:column;gap:14px}.cve-row{border:1px solid var(--border);border-radius:10px;background:#fff}.cve-row__bar{display:flex;align-items:center;gap:12px;flex-wrap:wrap;padding:6px 10px;background:var(--cream);border-bottom:1px solid var(--border);border-radius:10px 10px 0 0;font-size:12px}.cve-row__label{font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--ink-soft)}.cve-row__cols-ctrl{display:flex;align-items:center;gap:4px;color:var(--ink-soft)}.cve-row__cols-ctrl .btn{padding:2px 8px}.cve-row__bar .btn--danger-ghost{margin-left:auto}.cve-row__cols{display:flex;gap:0;padding:10px;align-items:flex-start}.cve-col{position:relative;flex:1 1 0;min-width:0;display:flex;flex-direction:column;gap:6px;padding:0 8px}.cve-col__tail{min-height:8px}.cve-col__divider{position:absolute;top:0;right:-4px;bottom:0;width:9px;cursor:col-resize;z-index:2}.cve-col__divider:after{content:"";position:absolute;top:8px;bottom:8px;left:50%;width:2px;transform:translate(-50%);background:var(--border);border-radius:2px}.cve-col__divider:hover:after{background:var(--terra-light)}.cve2-text{width:100%;border:1px solid var(--border);border-radius:6px;padding:6px 8px;font:inherit;font-size:14px;resize:vertical;background:#fff}.cve2-text:focus{border-color:var(--terra);outline:none}.cve2-heading-row{display:flex;gap:6px;align-items:center}.cve2-level,.cve2-align{border:1px solid var(--border);border-radius:6px;padding:4px 6px;font:inherit;font-size:12px;background:#fff}.cve2-heading{flex:1;border:1px solid var(--border);border-radius:6px;padding:6px 8px;font:inherit;font-weight:600}.cve2-heading:focus{border-color:var(--terra);outline:none}.cve2-img-wrap{display:flex;flex-direction:column;gap:4px;align-items:flex-start}.cve2-widget{border:1px solid var(--border);border-radius:8px;padding:8px;background:var(--cream)}.cve2-widget__label{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.07em;color:var(--terra);margin-bottom:6px}.cve2-menu{max-height:320px;overflow-y:auto}.cve2-menu__group{padding:6px 12px 2px;font-size:9px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--ink-faint)}@media(max-width:640px){.cve-col{flex-basis:100%!important}.cve-col__divider{display:none}}.wbe-blank{background:var(--cream-dark);color:var(--ink-soft);border-bottom:2px dashed var(--terra-light);border-radius:4px;padding:1px 6px;font-weight:600;cursor:pointer;-webkit-user-select:none;user-select:none}.wbe-bank{margin-top:12px}.wbe-bank__label{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--ink-faint);margin-bottom:6px}.wbe-bank__chips{display:flex;flex-wrap:wrap;gap:6px;align-items:center}.wbe-bank__chip{display:inline-flex;align-items:center;gap:4px;background:#fff;border:1.5px solid var(--terra-light);border-radius:20px;padding:3px 6px 3px 12px;font-size:13px;font-weight:600;color:var(--terra)}.wbe-bank__chip button{border:none;background:transparent;color:var(--ink-faint);cursor:pointer;font-size:14px;line-height:1;padding:0 2px}.wbe-bank__chip button:hover{color:#b03030}.wbe-bank__add{border:1px dashed var(--border);border-radius:20px;padding:4px 12px;font-size:13px;outline:none;min-width:120px;background:#fff}.wbe-bank__add:focus{border-color:var(--terra);border-style:solid}.wbe-multiline{white-space:pre-wrap}.dd-edit-row{display:flex;align-items:center;gap:8px}.dd-edit-row>input{flex:1}.dd-edit-arrow{color:var(--ink-faint);flex-shrink:0}.tbe{display:grid;gap:1px;background:var(--border);border:1px solid var(--border);border-radius:8px;overflow:hidden}.tbe-corner,.tbe-fill{background:var(--cream-dark)}.tbe-colctrl,.tbe-rowctrl{display:flex;align-items:center;justify-content:center;gap:2px;background:var(--cream-dark);color:var(--ink-soft);font-size:11px;font-weight:700;cursor:pointer;-webkit-user-select:none;user-select:none;min-height:26px}.tbe-colctrl:hover,.tbe-rowctrl:hover{background:var(--cream)}.tbe-ctrl--sel{background:var(--terra-faint);color:var(--terra)}.tbe-del{border:none;background:transparent;color:var(--ink-faint);cursor:pointer;font-size:13px;line-height:1;padding:0 1px}.tbe-del:hover{color:#b03030}.tbe-add{background:var(--cream-dark);border:none;cursor:pointer;color:var(--ink-soft);font-size:14px;font-weight:700}.tbe-add:hover{background:var(--terra-faint);color:var(--terra)}.tbe-cell{border:none;outline:none;padding:6px 8px;font:inherit;font-size:13px;color:var(--ink-mid);background:#fff;min-width:0;width:100%}.tbe-cell:focus{box-shadow:inset 0 0 0 2px var(--terra);position:relative;z-index:1}.tbe-cell--head{font-weight:700;color:var(--ink);background:var(--cream)}.tbe-cell--sel{background:var(--terra-faint)}.tbe-rowctrl--head{background:var(--cream)}.ex-drag-handle{cursor:grab;color:var(--ink-faint);-webkit-user-select:none;user-select:none;font-size:14px;line-height:1;padding:0 2px;flex-shrink:0}.ex-drag-handle:active{cursor:grabbing}.exercise-card.is-dragging,.lesson-editor__exercise-row.is-dragging{opacity:.45;outline:2px dashed var(--terra-light);outline-offset:-2px}[data-lk-theme=default]{color-scheme:dark;--lk-bg: #111;--lk-bg2: rgb(29.75, 29.75, 29.75);--lk-bg3: rgb(42.5, 42.5, 42.5);--lk-bg4: rgb(55.25, 55.25, 55.25);--lk-bg5: #444444;--lk-fg: #fff;--lk-fg2: rgb(244.8, 244.8, 244.8);--lk-fg3: rgb(234.6, 234.6, 234.6);--lk-fg4: rgb(224.4, 224.4, 224.4);--lk-fg5: rgb(214.2, 214.2, 214.2);--lk-border-color: rgba(255, 255, 255, .1);--lk-accent-fg: #fff;--lk-accent-bg: #1f8cf9;--lk-accent2: rgb(50.867826087, 150.2, 249.532173913);--lk-accent3: rgb(70.7356521739, 160.4, 250.0643478261);--lk-accent4: rgb(90.6034782609, 170.6, 250.5965217391);--lk-danger-fg: #fff;--lk-danger: #f91f31;--lk-danger2: rgb(249.532173913, 50.867826087, 67.2713043478);--lk-danger3: rgb(250.0643478261, 70.7356521739, 85.5426086957);--lk-danger4: rgb(250.5965217391, 90.6034782609, 103.8139130435);--lk-success-fg: #fff;--lk-success: #1ff968;--lk-success2: rgb(50.867826087, 249.532173913, 117.3930434783);--lk-success3: rgb(70.7356521739, 250.0643478261, 130.7860869565);--lk-success4: rgb(90.6034782609, 250.5965217391, 144.1791304348);--lk-control-fg: var(--lk-fg);--lk-control-bg: var(--lk-bg2);--lk-control-hover-bg: var(--lk-bg3);--lk-control-active-bg: var(--lk-bg4);--lk-control-active-hover-bg: var(--lk-bg5);--lk-connection-excellent: #06db4d;--lk-connection-good: #f9b11f;--lk-connection-poor: #f91f31;--lk-font-family: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji";--lk-font-size: 16px;--lk-line-height: 1.5;--lk-border-radius: .5rem;--lk-box-shadow: 0 .5rem 1.5rem rgba(0, 0, 0, .15);--lk-drop-shadow: rgba(255, 255, 255, .2) 0px 0px 24px;--lk-grid-gap: .5rem;--lk-control-bar-height: 69px;--lk-chat-header-height: 69px}.lk-button,.lk-start-audio-button,.lk-chat-toggle,.lk-disconnect-button{position:relative;display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.625rem 1rem;color:var(--lk-control-fg);background-image:none;background-color:var(--lk-control-bg);border:0;border-radius:var(--lk-border-radius);cursor:pointer;white-space:nowrap;font-size:inherit;line-height:inherit;-webkit-user-select:none;user-select:none}.lk-button:not(:disabled):hover,.lk-start-audio-button:not(:disabled):hover,.lk-chat-toggle:not(:disabled):hover,.lk-disconnect-button:not(:disabled):hover{background-color:var(--lk-control-hover-bg)}.lk-button>svg,.lk-start-audio-button>svg,.lk-chat-toggle>svg,.lk-disconnect-button>svg{overflow:visible}.lk-button[aria-pressed=true],[aria-pressed=true].lk-start-audio-button,[aria-pressed=true].lk-chat-toggle,[aria-pressed=true].lk-disconnect-button{background-color:var(--lk-control-active-bg)}.lk-button[aria-pressed=true]:hover,[aria-pressed=true].lk-start-audio-button:hover,[aria-pressed=true].lk-chat-toggle:hover,[aria-pressed=true].lk-disconnect-button:hover{background-color:var(--lk-control-active-hover-bg)}.lk-button[data-lk-source=screen_share][data-lk-enabled=true],[data-lk-source=screen_share][data-lk-enabled=true].lk-start-audio-button,[data-lk-source=screen_share][data-lk-enabled=true].lk-chat-toggle,[data-lk-source=screen_share][data-lk-enabled=true].lk-disconnect-button{background-color:var(--lk-accent-bg)}.lk-button[data-lk-source=screen_share][data-lk-enabled=true]:hover,[data-lk-source=screen_share][data-lk-enabled=true].lk-start-audio-button:hover,[data-lk-source=screen_share][data-lk-enabled=true].lk-chat-toggle:hover,[data-lk-source=screen_share][data-lk-enabled=true].lk-disconnect-button:hover{background-color:var(--lk-accent2)}.lk-button:disabled,.lk-start-audio-button:disabled,.lk-chat-toggle:disabled,.lk-disconnect-button:disabled{opacity:.5}.lk-button-group{display:inline-flex;align-items:stretch;height:100%}.lk-button-group>.lk-button:first-child,.lk-button-group>.lk-start-audio-button:first-child,.lk-button-group>.lk-chat-toggle:first-child,.lk-button-group>.lk-disconnect-button:first-child{border-top-right-radius:0;border-bottom-right-radius:0}.lk-button-group-menu{position:relative;flex-shrink:0}.lk-button-group-menu>.lk-button,.lk-button-group-menu>.lk-start-audio-button,.lk-button-group-menu>.lk-chat-toggle,.lk-button-group-menu>.lk-disconnect-button{height:100%;border-top-left-radius:0;border-bottom-left-radius:0}.lk-button-group-menu>.lk-button:after,.lk-button-group-menu>.lk-start-audio-button:after,.lk-button-group-menu>.lk-chat-toggle:after,.lk-button-group-menu>.lk-disconnect-button:after{margin-left:0}.lk-button-menu:after{display:inline-block;content:"";width:.5em;height:.5em;margin-top:-.25rem;margin-left:.5rem;border-left:.125em solid;border-bottom:.125em solid;transform:rotate(-45deg);transform-origin:center center}.lk-disconnect-button{font-weight:600;color:var(--lk-danger);border:1px solid var(--lk-danger)}.lk-disconnect-button:not(:disabled):hover{--lk-control-hover-bg: var(--lk-danger2);color:var(--lk-danger-fg)}.lk-disconnect-button:not(:disabled):active{--lk-control-hover-bg: var(--lk-danger3);color:var(--lk-danger-fg)}.lk-chat-toggle{position:relative}.lk-chat-toggle[data-lk-unread-msgs]:not([data-lk-unread-msgs="0"]):after{content:attr(data-lk-unread-msgs);position:absolute;top:0;left:0;padding:.25rem;margin-left:.25rem;margin-top:.25rem;border-radius:50%;font-size:.5rem;line-height:.75;background:var(--lk-accent-bg)}.lk-media-device-select:not(:last-child){padding-bottom:.5rem;margin-bottom:.75rem;border-bottom:1px solid var(--lk-border-color)}.lk-media-device-select li:not(:last-child){margin-bottom:.25rem}.lk-media-device-select li>.lk-button{width:100%;justify-content:start;padding-block:.5rem}.lk-media-device-select li:not([data-lk-active=true])>.lk-button:not(:disabled):hover{background-color:var(--lk-bg3)}.lk-media-device-select [data-lk-active=false]>.lk-button:hover{cursor:pointer;background-color:#0000000d}.lk-media-device-select [data-lk-active=true]>.lk-button{color:var(--lk-accent-fg);background-color:var(--lk-accent-bg)}.lk-device-menu{width:max-content;position:absolute;top:0;left:0;z-index:5;min-width:10rem;padding:.5rem;margin-bottom:.25rem;white-space:nowrap;background-color:var(--lk-bg2);border:1px solid var(--lk-border-color);border-radius:.75rem;box-shadow:var(--lk-box-shadow)}.lk-device-menu-heading{padding:.25rem .5rem;font-weight:700;opacity:.65}.lk-start-audio-button{color:var(--lk-accent-fg);background-color:var(--lk-accent-bg)}@media screen and (max-width:600px){.lk-start-audio-button{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%)}}.lk-pagination-control{position:absolute;bottom:1rem;left:50%;transform:translate(-50%);display:flex;align-items:stretch;background-color:var(--lk-control-bg);border-radius:var(--lk-border-radius);transition:opacity ease-in-out .15s;opacity:0}.lk-pagination-control:hover{opacity:1}.lk-pagination-control>.lk-button:first-child{border-top-right-radius:0;border-bottom-right-radius:0}.lk-pagination-control>.lk-button:first-child>svg{transform:rotate(180deg)}.lk-pagination-control>.lk-button:last-child{border-top-left-radius:0;border-bottom-left-radius:0}.lk-pagination-count{padding:.5rem .875rem;border-inline:1px solid var(--lk-bg)}[data-lk-user-interaction=true].lk-pagination-control{opacity:1}.lk-pagination-indicator{position:absolute;height:var(--lk-grid-gap);background-color:var(--lk-bg2);width:fit-content;padding:.2rem .5rem;bottom:calc(var(--lk-grid-gap)/2);left:50%;transform:translate(-50%);border-radius:2rem;opacity:1;display:flex;gap:.2rem;align-items:center}.lk-pagination-indicator span{display:inline-block;width:.4rem;height:.4rem;border-radius:9999999px;background-color:var(--lk-fg);opacity:.35;transition:opacity linear .2s}.lk-pagination-indicator span[data-lk-active]{opacity:.9}.lk-grid-layout{--lk-col-count: 1;--lk-row-count: 1;display:grid;grid-template-columns:repeat(var(--lk-col-count),minmax(0,1fr));grid-auto-rows:minmax(0,1fr);grid-gap:var(--lk-grid-gap);width:100%;height:100%;max-width:100%;max-height:100%;padding:var(--lk-grid-gap)}.lk-grid-layout[data-lk-pagination=true]{padding-bottom:calc(var(--lk-grid-gap)*2)}.lk-focus-layout{display:grid;grid-template-columns:1fr 5fr;gap:var(--lk-grid-gap);width:100%;max-height:100%;padding:var(--lk-grid-gap)}.lk-focused-participant{position:relative}.lk-focused-participant .lk-pip-track{position:absolute;top:10px;right:10px;width:20%;height:auto}@media(max-width:600px){.lk-focus-layout{grid-template-columns:1fr;grid-template-rows:5fr 1fr}.lk-carousel{order:1}}.lk-carousel{max-height:100%;display:flex;gap:var(--lk-grid-gap)}.lk-carousel>*{flex-shrink:0;aspect-ratio:16/10;scroll-snap-align:start}.lk-carousel[data-lk-orientation=vertical]{flex-direction:column;scroll-snap-type:y mandatory;overflow-y:auto;overflow-x:hidden}.lk-carousel[data-lk-orientation=vertical]>*{--lk-height-minus-gaps: calc(100% - calc(var(--lk-grid-gap) * calc(var(--lk-max-visible-tiles) - 1)));height:calc(var(--lk-height-minus-gaps)/var(--lk-max-visible-tiles))}.lk-carousel[data-lk-orientation=horizontal]{scroll-snap-type:x mandatory;overflow-y:hidden;overflow-x:auto}.lk-carousel[data-lk-orientation=horizontal]>*{--lk-width-minus-gaps: calc(100% - var(--lk-grid-gap) * (var(--lk-max-visible-tiles) - 1));width:calc(var(--lk-width-minus-gaps)/var(--lk-max-visible-tiles))}.lk-connection-quality{width:1.5rem;height:1.5rem}.lk-track-muted-indicator-camera,.lk-track-muted-indicator-microphone{position:relative;width:var(--lk-indicator-size, 1rem);height:var(--lk-indicator-size, 1rem);margin-inline-end:.25rem;transition:opacity .25s ease-in-out}.lk-track-muted-indicator-camera[data-lk-muted=true]{opacity:.5}.lk-track-muted-indicator-microphone{--lk-bg: var(--lk-icon-mic)}.lk-track-muted-indicator-microphone[data-lk-muted=true]{opacity:.5}.lk-participant-name{font-size:.875rem}.lk-participant-media-video{width:100%;height:100%;object-fit:cover;object-position:center;background-color:#000}.lk-participant-media-video[data-lk-orientation=landscape]{object-fit:cover}.lk-participant-media-video[data-lk-orientation=portrait],.lk-participant-media-video[data-lk-source=screen_share]{object-fit:contain;background-color:var(--lk-bg2)}.lk-participant-media-audio{width:auto}[data-lk-facing-mode=user] .lk-participant-media-video[data-lk-local-participant=true][data-lk-source=camera]{transform:rotateY(180deg)}.lk-audio-visualizer{width:100%;height:100%;min-height:160px;background:var(--lk-bg-control);aspect-ratio:16/9;border-radius:.5rem;display:flex;justify-content:space-around;align-items:center}.lk-audio-visualizer>rect{fill:var(--lk-accent-bg);transition:transform .1s cubic-bezier(.19,.02,.09,1)}.lk-audio-visualizer>path{stroke:var(--lk-accent-bg);transition:.1s cubic-bezier(.19,.02,.09,1)}.lk-audio-bar-visualizer{display:flex;align-items:center;justify-content:center;width:100%;height:100%;background:var(--lk-bg);gap:var(--lk-va-bar-gap, 24px)}.lk-audio-bar-visualizer>.lk-audio-bar{transform-origin:"center";height:100%;width:var(--lk-va-bar-width, 12px);border-radius:var(--lk-va-bar-border-radius, 32px);background-color:var(--lk-va-bar-bg, rgba(136, 136, 136, .2));transition:background-color .25s ease-out}.lk-audio-bar-visualizer[data-lk-va-state=speaking]>.lk-audio-bar,.lk-audio-bar-visualizer>.lk-audio-bar.lk-highlighted,.lk-audio-bar-visualizer>[data-lk-highlighted=true]{background-color:var(--lk-fg, rgb(136, 136, 136));transition:none}.lk-audio-bar-visualizer[data-lk-va-state=thinking]{transition:background-color .15s ease-out}.lk-participant-tile{--lk-speaking-indicator-width: 2.5px;position:relative;display:flex;flex-direction:column;gap:.375rem;overflow:hidden;border-radius:var(--lk-border-radius)}.lk-participant-tile:after{content:"";position:absolute;top:0;bottom:0;left:0;right:0;border-radius:var(--lk-border-radius);border:0px solid var(--lk-accent-bg);transition-property:border opacity;transition-delay:.5s;transition-duration:.4s;pointer-events:none}.lk-participant-tile[data-lk-speaking=true]:not([data-lk-source=screen_share]):after{transition-delay:0s;transition-duration:.2s;border-width:var(--lk-speaking-indicator-width)}.lk-participant-tile .lk-focus-toggle-button{position:absolute;top:.25rem;right:.25rem;padding:.25rem;background-color:#00000080;border-radius:calc(var(--lk-border-radius)/2);opacity:0;transition:opacity .2s ease-in-out;transition-delay:.2s}.lk-participant-tile:hover .lk-focus-toggle-button,.lk-participant-tile:focus .lk-focus-toggle-button{opacity:1;transition-delay:0}.lk-participant-tile .lk-connection-quality{opacity:0;transition:opacity .2s ease-in-out;transition-delay:.2s}.lk-participant-tile .lk-connection-quality[data-lk-quality=poor]{opacity:1;transition-delay:0}.lk-participant-tile:hover .lk-connection-quality,.lk-participant-tile:focus .lk-connection-quality{opacity:1;transition-delay:0}.lk-participant-tile .lk-participant-placeholder{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;background-color:var(--lk-bg2);opacity:0;transition:opacity .2s ease-in-out;pointer-events:none;border-radius:var(--lk-border-radius)}.lk-participant-tile .lk-participant-placeholder svg{height:100%;width:auto;padding:10%}.lk-participant-tile[data-lk-video-muted=true][data-lk-source=camera] .lk-participant-placeholder{opacity:1}.lk-participant-metadata{position:absolute;right:.25rem;bottom:.25rem;left:.25rem;display:flex;flex-direction:row;align-items:center;justify-content:space-between;gap:.5rem;line-height:1}.lk-participant-metadata-item{display:flex;align-items:center;padding:.25rem;background-color:#00000080;border-radius:calc(var(--lk-border-radius)/2)}.lk-toast{position:fixed;top:.75rem;left:50%;transform:translate(-50%);display:flex;align-items:center;gap:.5rem;padding:.75rem 1.25rem;background-color:var(--lk-bg);border:1px solid var(--lk-border-color);border-radius:var(--lk-border-radius);box-shadow:var(--lk-box-shadow)}.lk-spinner{animation:lk-rotate 2s infinite linear}@keyframes lk-rotate{0%{transform:rotate(0)}to{transform:rotate(359deg)}}.lk-room-container{background-color:var(--lk-bg);line-height:var(--lk-line-height)}.lk-room-container{position:relative;width:100%;height:100%;--lk-has-imported-styles: "true"}.lk-room-container *[class^=lk-],.lk-room-container *[class*=" lk-"]{box-sizing:border-box}.lk-audio-conference{position:relative;width:100%;height:100%}.lk-audio-conference-stage{width:100%;height:100%;display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.lk-chat{display:grid;grid-template-rows:var(--lk-chat-header-height) 1fr var(--lk-control-bar-height);width:clamp(200px,55ch,60ch);background-color:var(--lk-bg2);border-left:1px solid var(--lk-border-color);align-items:end}.lk-chat-header{height:var(--lk-chat-header-height);padding:.75rem;position:relative;display:flex;align-items:center;justify-content:center}.lk-chat-header .lk-close-button{position:absolute;right:0;transform:translate(-50%);background-color:#0000}.lk-chat-header .lk-close-button:hover{background-color:var(--lk-control-active-hover-bg)}.lk-chat-messages{display:flex;width:100%;max-height:100%;flex-direction:column;gap:.25rem;overflow:auto}.lk-chat-entry{display:flex;flex-direction:column;gap:.25rem;margin:0 .25rem}.lk-chat-entry .lk-meta-data{font-size:.75rem;color:var(--lk-fg5);white-space:nowrap;padding:0 .3rem;display:flex}.lk-chat-entry .lk-meta-data .lk-participant-name{margin-top:1rem}.lk-chat-entry .lk-meta-data .lk-timestamp{margin-left:auto;align-self:flex-end}.lk-chat-entry .lk-edit-button{background:none;float:right;margin:0;padding:0 .25rem;border-radius:0;font-size:12px}.lk-chat-entry .lk-message-body{display:inline-block;border-radius:15px;padding:.25rem .75rem;word-break:break-word;width:fit-content;max-width:calc(100% - 32px)}.lk-chat-entry[data-lk-message-origin=local] .lk-message-body{background-color:var(--lk-bg5)}.lk-chat-entry[data-lk-message-origin=remote] .lk-message-body{background-color:var(--lk-accent4)}.lk-chat-entry a{text-decoration:underline;color:inherit}.lk-chat-entry *{margin-block-start:.25em;margin-block-end:.25em}.lk-chat-entry:last-child{margin-bottom:.25rem}.lk-chat-form{display:flex;gap:.75rem;padding:.75rem;border-top:1px solid var(--lk-border-color);max-height:var(--lk-control-bar-height)}.lk-chat-form-input{font-size:inherit;line-height:inherit;width:100%}@media(max-width:600px){.lk-chat{position:fixed;top:0;right:0;max-width:100%;bottom:var(--lk-control-bar-height)}}.lk-control-bar,.lk-agent-control-bar{display:flex;gap:.5rem;align-items:center;justify-content:center;padding:.75rem;border-top:1px solid var(--lk-border-color);max-height:var(--lk-control-bar-height)}.lk-agent-control-bar{height:var(--lk-control-bar-height);--lk-bg: transparent;--lk-va-bar-width: 2px;--lk-va-bar-gap: 4px;--lk-va-bar-border-radius: 1px}.lk-agent-control-bar .lk-audio-bar-visualizer .lk-audio-bar.lk-highlighted{filter:none}.lk-prejoin{background-color:var(--lk-bg);line-height:var(--lk-line-height)}[data-lk-theme]{font-size:var(--lk-font-size);font-family:var(--lk-font-family);color:var(--lk-fg)}[data-lk-theme] .lk-list{list-style:none;margin:0;padding:0}[data-lk-theme] .lk-form-control{font-family:var(--lk-font-family);padding:.625rem 1rem;background-color:var(--lk-control-bg);border:1px solid var(--lk-border-color);border-radius:var(--lk-border-radius)}.lk-prejoin{box-sizing:border-box;display:flex;flex-direction:column;align-items:center;padding:1rem;gap:1rem;margin-inline:auto;background-color:var(--lk-bg);width:min(100%,480px);align-items:stretch}.lk-prejoin .lk-video-container{position:relative;width:100%;height:auto;aspect-ratio:16/10;background-color:#000;border-radius:var(--lk-border-radius);overflow:hidden}.lk-prejoin .lk-video-container video,.lk-prejoin .lk-video-container .lk-camera-off-note{display:block;width:100%;height:100%;object-fit:cover}.lk-prejoin .lk-video-container video[data-lk-facing-mode=user]{transform:rotateY(180deg)}.lk-prejoin .lk-video-container .lk-camera-off-note{position:absolute;top:0;left:0;width:100%;aspect-ratio:16/10;background-color:#000;display:grid;place-items:center}.lk-prejoin .lk-video-container .lk-camera-off-note>*{height:70%;max-width:100%}.lk-prejoin .lk-audio-container{display:none}.lk-prejoin .lk-audio-container audio{width:100%;height:auto}.lk-prejoin .lk-button-group-container{display:flex;flex-wrap:nowrap;gap:1rem}.lk-prejoin .lk-button-group-container>.lk-button-group{width:50%}.lk-prejoin .lk-button-group-container>.lk-button-group>.lk-button{justify-content:left}.lk-prejoin .lk-button-group-container>.lk-button-group>.lk-button:first-child{width:100%}@media(max-width:400px){.lk-prejoin .lk-button-group-container{flex-wrap:wrap}.lk-prejoin .lk-button-group-container>.lk-button-group{width:100%}}.lk-prejoin .lk-username-container{display:flex;flex-direction:column;gap:1rem;width:100%;max-width:100%}.lk-prejoin .lk-join-button{--lk-control-fg: var(--lk-accent-fg);--lk-control-bg: var(--lk-accent-bg);--lk-control-hover-bg: var(--lk-accent2);--lk-control-active-bg: var(--lk-accent3);--lk-control-active-hover-bg: var(--lk-accent4);background-color:var(--lk-control-bg)}.lk-prejoin .lk-join-button:hover{background-color:var(--lk-control-hover-bg)}.lk-focus-layout-wrapper,.lk-grid-layout-wrapper{position:relative;display:flex;justify-content:center;width:100%;height:calc(100% - var(--lk-control-bar-height))}.lk-grid-layout-wrapper{flex-direction:column;align-items:center}.lk-focus-layout-wrapper{align-items:stretch}.lk-video-conference{position:relative;display:flex;align-items:stretch;height:100%}.lk-video-conference-inner{display:flex;flex-direction:column;align-items:stretch;width:100%}.lk-settings-menu-modal{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);background:var(--lk-bg);padding:1rem;display:flex;flex-direction:column;align-items:center;gap:.5rem;padding:.75rem 1.25rem;background-color:var(--lk-bg);border:1px solid var(--lk-border-color);border-radius:var(--lk-border-radius);box-shadow:var(--lk-box-shadow);min-width:50vw;min-height:50vh;max-width:100%;max-height:100%;overflow-y:auto}.hw-results{display:flex;flex-direction:column;height:100vh;background:var(--cream);color:var(--ink);font-family:Mulish,sans-serif}.hw-results__header{display:flex;align-items:center;gap:16px;padding:0 28px;height:60px;border-bottom:1px solid var(--border);flex-shrink:0;background:#fff}.hw-results__title{font-family:Lora,Georgia,serif;font-size:17px;font-weight:600;color:var(--ink);margin:0;flex:1}.hw-results__body{display:flex;flex:1;overflow:hidden}.hw-results__sidebar{width:280px;flex-shrink:0;border-right:1px solid var(--border);overflow-y:auto;padding:16px 0;background:#fff}.hw-results__sidebar-title{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.12em;color:var(--ink-faint);padding:0 18px 12px;margin:0}.hw-results__student-btn{display:flex;flex-direction:column;gap:2px;width:100%;padding:10px 18px;background:none;border:none;border-left:2px solid transparent;cursor:pointer;text-align:left;color:var(--ink);transition:background .15s}.hw-results__student-btn:hover{background:var(--cream)}.hw-results__student-btn--active{background:var(--terra-faint);border-left-color:var(--terra)}.hw-results__student-name{font-size:13.5px;font-weight:600;color:var(--ink-mid)}.hw-results__student-email{font-size:11px;color:var(--ink-faint)}.hw-results__status{font-size:11px;color:var(--gold);font-weight:600}.hw-results__status--submitted{color:var(--sage)}.hw-results__score{font-size:11px;color:var(--terra);font-weight:600}.hw-results__grade-badge{font-size:11px;color:var(--gold);font-weight:600}.hw-results__detail{flex:1;overflow-y:auto;padding:24px 32px;background:var(--cream)}.hw-results__empty{color:var(--ink-faint);text-align:center;margin-top:40px;font-size:14px;font-style:italic}.hw-results__student-header{display:flex;align-items:center;gap:12px;margin-bottom:24px;padding-bottom:16px;border-bottom:1px solid var(--border);flex-wrap:wrap}.hw-results__student-header strong{font-family:Lora,Georgia,serif;font-size:16px;font-weight:600;color:var(--ink)}.hw-results__slide-section{margin-bottom:28px}.hw-results__slide-title{font-family:Lora,Georgia,serif;font-size:14px;font-weight:600;color:var(--terra);margin:0 0 14px;padding-bottom:8px;border-bottom:1px solid var(--border)}.hw-results__exercise{background:#fff;border:1px solid var(--border);border-radius:10px;padding:16px 18px;margin-bottom:10px}.hw-results__ex-header{display:flex;align-items:center;gap:10px;margin-bottom:10px;flex-wrap:wrap}.hw-results__ex-num{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:var(--ink-faint)}.hw-results__ex-type{font-size:11px;color:var(--ink-soft)}.hw-results__ex-description{font-size:13px;color:var(--ink-soft);margin-bottom:10px;font-style:italic}.hw-results__badge{font-size:11px;padding:2px 8px;border-radius:4px;font-weight:700}.hw-results__badge--correct{background:var(--sage-faint);color:var(--sage)}.hw-results__badge--wrong{background:#fee2e2;color:#b03030}.hw-results__badge--open{background:var(--blue-faint);color:var(--blue)}.hw-results__badge--unanswered{background:var(--cream-dark);color:var(--ink-faint)}.hw-results__mc-list,.hw-results__blank-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:4px}.hw-results__mc-opt{font-size:13px;color:var(--ink-faint)}.hw-results__mc-opt--chosen{color:var(--ink-mid);font-weight:600}.hw-results__mc-opt--correct{color:var(--sage);font-weight:600}.hw-results__blank{font-size:13px;padding:4px 8px;border-radius:4px}.hw-results__blank--ok{background:var(--sage-faint);color:var(--sage);font-weight:600}.hw-results__blank--fail{background:#fee2e2;color:#b03030}.hw-results__expected{font-size:11px;color:var(--ink-faint)}.hw-results__open-answer{font-size:13px;color:var(--ink-mid);background:var(--cream);border:1px solid var(--border);border-radius:6px;padding:10px 12px;margin:0;white-space:pre-wrap}.hw-results__no-answer{font-size:13px;color:var(--ink-faint);margin:0;font-style:italic}.hw-review{background:#fff;border:1px solid var(--border);border-radius:10px;padding:16px 20px;margin-bottom:24px;display:flex;flex-direction:column;gap:12px}.hw-review__title{font-size:10px;font-weight:700;color:var(--ink-faint);margin:0;text-transform:uppercase;letter-spacing:.1em}.hw-review__stars{display:flex;align-items:center;gap:4px;flex-wrap:wrap}.hw-review__star{background:none;border:none;cursor:pointer;font-size:1.5rem;color:var(--border);padding:0 2px;line-height:1;transition:color .1s,transform .1s}.hw-review__star:hover,.hw-review__star--active{color:var(--gold)}.hw-review__star:hover{transform:scale(1.15)}.hw-review__grade-display{font-family:Lora,Georgia,serif;font-size:15px;font-weight:600;color:var(--gold);margin-left:8px}.hw-review__textarea{background:var(--cream);border:1px solid var(--border);border-radius:6px;color:var(--ink);font-size:13px;padding:10px 12px;resize:vertical;font-family:Mulish,sans-serif;width:100%;box-sizing:border-box}.hw-review__textarea:focus{outline:none;border-color:var(--terra-light)}.hw-review__error{font-size:12px;color:#b03030;margin:0}.hw-review__saved-hint{font-size:11px;color:var(--ink-faint);margin-left:12px}.homework-room__header-right{display:flex;align-items:center;gap:12px}.homework-room__submitted-badge{font-size:12px;color:var(--sage);font-weight:600}.homework-room__submitted-notice{background:var(--sage-faint);color:var(--sage);border:1px solid #B8D8C8;border-radius:8px;padding:10px 14px;margin-bottom:16px;font-size:13px}.homework-room__feedback{background:#fff;border:1px solid var(--border);border-radius:10px;padding:14px 18px;margin-bottom:16px;display:flex;flex-direction:column;gap:8px}.homework-room__feedback--pending{color:var(--ink-faint);font-size:13px;font-style:italic}.homework-room__feedback-title{font-size:10px;font-weight:700;color:var(--ink-faint);margin:0;text-transform:uppercase;letter-spacing:.1em}.homework-room__feedback-stars{display:flex;align-items:center;gap:3px}.homework-room__feedback-star{font-size:1.3rem;color:var(--border)}.homework-room__feedback-star--active{color:var(--gold)}.homework-room__feedback-grade{font-family:Lora,Georgia,serif;font-size:15px;font-weight:600;color:var(--gold);margin-left:8px}.homework-room__feedback-comment{font-size:13px;color:var(--ink-mid);margin:0;white-space:pre-wrap;background:var(--cream);border:1px solid var(--border);border-radius:6px;padding:8px 12px}.hw-results__back-to-list{display:none}@media(max-width:768px){.hw-results__header{padding:0 16px;gap:10px}.hw-results__title{font-size:14px}.hw-results__body{position:relative}.hw-results__sidebar{width:100%;border-right:none;padding:12px 0}.hw-results__sidebar--hidden{display:none}.hw-results__detail{width:100%;padding:16px}.hw-results__detail--hidden{display:none}.hw-results__back-to-list{display:inline-flex;align-items:center;gap:6px;background:none;border:none;font-family:Mulish,sans-serif;font-size:13px;font-weight:600;color:var(--ink-soft);cursor:pointer;padding:0 0 14px;transition:color .15s}.hw-results__back-to-list:hover{color:var(--ink)}.hw-review__stars{flex-wrap:wrap}.hw-review__star{font-size:20px;padding:4px 5px}}.pronunciation-page{max-width:760px;margin:0 auto;padding:24px 16px}.pronunciation-page__header{display:flex;align-items:center;gap:16px;margin-bottom:24px}.pronunciation-page__header h2{font-family:Lora,Georgia,serif;font-size:17px;font-weight:600;color:var(--ink);margin:0}.pronunciation-card{background:#fff;border:1px solid var(--border);border-radius:12px;padding:24px;display:flex;flex-direction:column;gap:16px;transition:box-shadow .15s}.pronunciation-card:hover{box-shadow:0 4px 20px var(--shadow)}.pronunciation-generate{display:flex;flex-direction:column;gap:8px}.pronunciation-generate__row{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.pronunciation-generate__topic{flex:1;min-width:160px;padding:7px 10px;border:1px solid var(--border);border-radius:8px;font-size:13px;font-family:Mulish,sans-serif;background:var(--cream);color:var(--ink)}.pronunciation-generate__topic:focus{outline:none;border-color:var(--terra-light)}.pronunciation-generate__topic::placeholder{color:var(--ink-faint)}.pronunciation-generate__lengths{display:flex;gap:4px}.pronunciation-generate__actions{display:flex;gap:8px}.pronunciation-textarea{width:100%;box-sizing:border-box;padding:10px 12px;border:1px solid var(--border);border-radius:8px;font-size:14px;line-height:1.7;resize:vertical;font-family:Mulish,sans-serif;background:var(--cream);color:var(--ink)}.pronunciation-textarea:focus{outline:none;border-color:var(--terra-light)}.pronunciation-textarea:disabled{background:var(--cream-dark);color:var(--ink-faint)}.pronunciation-textarea::placeholder{color:var(--ink-faint)}.pronunciation-error{color:#b03030;font-size:12px;padding:8px 12px;background:#fee2e2;border:1px solid #FCCACA;border-radius:8px}.pronunciation-controls{display:flex;justify-content:center}.pronunciation-record-btn{min-width:200px;font-size:14px;padding:12px 28px;border-radius:8px}.pronunciation-record-btn--recording{background:#b03030!important;border-color:#b03030!important;animation:pronunciation-pulse 1.4s ease-in-out infinite}@keyframes pronunciation-pulse{0%,to{opacity:1}50%{opacity:.7}}.pronunciation-results{border-top:1px solid var(--border);padding-top:16px;display:flex;flex-direction:column;gap:12px}.pronunciation-results__score{font-size:13px;color:var(--ink-soft)}.pronunciation-words{display:flex;flex-wrap:wrap;gap:6px;align-items:baseline}.pronunciation-word{padding:3px 8px;border-radius:6px;font-size:14px;font-weight:500;line-height:1.5}.pronunciation-word--correct{background:var(--sage-faint);color:var(--sage)}.pronunciation-word--incorrect{background:#fee2e2;color:#b03030}.pronunciation-transcription{font-size:12px;color:var(--ink-faint);border-top:1px solid var(--border);padding-top:8px}.pronunciation-transcription__label{font-weight:700;margin-right:4px;color:var(--ink-soft)}.make-audio-page{max-width:760px;margin:0 auto;padding:24px 16px}.make-audio-page__header{display:flex;align-items:center;gap:16px;margin-bottom:24px}.make-audio-page__header h2{font-family:Lora,Georgia,serif;font-size:17px;font-weight:600;color:var(--ink);margin:0}.make-audio-card{background:#fff;border:1px solid var(--border);border-radius:12px;padding:24px;display:flex;flex-direction:column;gap:16px;transition:box-shadow .15s}.make-audio-card:hover{box-shadow:0 4px 20px var(--shadow)}.make-audio-controls{display:flex;align-items:center;gap:12px}.make-audio-label{font-size:12px;font-weight:700;color:var(--ink-mid);white-space:nowrap;text-transform:uppercase;letter-spacing:.06em}.make-audio-select{flex:1;padding:7px 10px;border:1px solid var(--border);border-radius:8px;font-size:13px;font-family:Mulish,sans-serif;background:var(--cream);color:var(--ink);cursor:pointer}.make-audio-select:focus{outline:none;border-color:var(--terra-light)}.make-audio-select:disabled{background:var(--cream-dark);color:var(--ink-faint);cursor:not-allowed}.make-audio-textarea{width:100%;box-sizing:border-box;padding:10px 12px;border:1px solid var(--border);border-radius:8px;font-size:14px;line-height:1.6;resize:vertical;font-family:Mulish,sans-serif;background:var(--cream);color:var(--ink)}.make-audio-textarea:focus{outline:none;border-color:var(--terra-light)}.make-audio-textarea:disabled{background:var(--cream-dark);color:var(--ink-faint)}.make-audio-textarea::placeholder{color:var(--ink-faint)}.make-audio-error{color:#b03030;font-size:12px;padding:8px 12px;background:#fee2e2;border:1px solid #FCCACA;border-radius:8px}.make-audio-actions{display:flex;justify-content:center}.make-audio-btn{min-width:160px;font-size:14px;padding:10px 28px;border-radius:8px}.make-audio-result{border-top:1px solid var(--border);padding-top:16px;display:flex;flex-direction:column;align-items:center;gap:12px}.make-audio-player{width:100%;accent-color:var(--terra)}.make-audio-download{align-self:flex-start}.sg-page{max-width:680px;margin:0 auto;padding:24px}.sg-header{display:flex;align-items:center;gap:16px;margin-bottom:24px}.sg-header h2{font-family:Lora,Georgia,serif;font-size:17px;font-weight:600;color:var(--ink);margin:0}.sg-slide-name{color:var(--ink-soft);font-weight:400}.sg-card{background:#fff;border:1px solid var(--border);border-radius:12px;padding:24px;display:flex;flex-direction:column;gap:12px;transition:box-shadow .15s}.sg-card:hover{box-shadow:0 4px 20px var(--shadow)}.sg-card__title{font-family:Lora,Georgia,serif;font-size:14px;font-weight:600;color:var(--ink);margin:0 0 4px}.sg-card__hint{margin:0;font-size:12px;color:var(--ink-soft)}.sg-label{font-size:12px;font-weight:600;color:var(--ink-mid);margin-bottom:-4px;text-transform:uppercase;letter-spacing:.06em}.sg-required{color:#b03030}.sg-hint{font-weight:400;color:var(--ink-soft);text-transform:none;letter-spacing:0}.sg-input,.sg-select,.sg-textarea{width:100%;padding:8px 12px;border:1px solid var(--border);border-radius:8px;font-size:13px;font-family:Mulish,sans-serif;box-sizing:border-box;background:var(--cream);color:var(--ink)}.sg-input:focus,.sg-select:focus,.sg-textarea:focus{outline:none;border-color:var(--terra-light)}.sg-input::placeholder,.sg-textarea::placeholder{color:var(--ink-faint)}.sg-textarea{resize:vertical;min-height:64px}.sg-select--sm{width:auto;flex:1;padding:6px 10px}.sg-btn-main{margin-top:8px;align-self:flex-start}.sg-label-row{display:flex;align-items:center;justify-content:space-between;margin-bottom:-4px}.sg-label-row .sg-label{margin-bottom:0}.sg-extract-panel{display:flex;flex-direction:column;gap:8px;padding:12px;background:var(--cream);border:1px solid var(--border);border-radius:8px}.sg-done-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:8px}.sg-slots{display:flex;flex-direction:column;gap:10px}.sg-slot{border:1px solid var(--border);border-radius:8px;padding:12px;background:var(--cream);display:flex;flex-direction:column;gap:8px}.sg-slot__header{display:flex;align-items:center;gap:8px}.sg-slot__num{font-size:11px;font-weight:700;color:var(--ink-faint);min-width:18px;text-align:center}.sg-slot__type{flex:1;padding:4px 8px;border:1px solid var(--border);border-radius:6px;font-size:12px;font-family:Mulish,sans-serif;background:#fff;color:var(--ink)}.sg-slot__type:focus{outline:none;border-color:var(--terra-light)}.sg-slot__arrows{display:flex;gap:2px}.sg-slot__desc{width:100%;padding:6px 10px;border:1px solid var(--border);border-radius:6px;font-size:12px;font-family:Mulish,sans-serif;resize:vertical;min-height:52px;background:#fff;box-sizing:border-box;color:var(--ink)}.sg-slot__desc:focus{outline:none;border-color:var(--terra-light)}.sg-slot__desc::placeholder{color:var(--ink-faint)}.sg-add-row{display:flex;align-items:center;gap:8px;margin-top:4px}.sg-progress{display:flex;flex-direction:column;gap:10px;margin-bottom:8px}.sg-progress__item{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--ink-mid)}.sg-progress__icon{width:20px;text-align:center;flex-shrink:0}.sg-progress__icon--done{color:var(--sage)}.sg-progress__icon--error{color:#b03030}.sg-progress__icon--pending{color:var(--ink-faint)}.sg-progress__label{flex:1}.sg-progress__error{font-size:11px;color:#b03030}@keyframes sg-spin{to{transform:rotate(360deg)}}.sg-spinner{display:inline-block;width:14px;height:14px;border:2px solid var(--border);border-top-color:var(--terra);border-radius:50%;animation:sg-spin .7s linear infinite;vertical-align:middle}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--cream: #F5F0E8;--cream-dark: #EDE7D9;--ink: #1C1C1E;--ink-mid: #3D3B36;--ink-soft: #6B6760;--ink-faint: #A8A49C;--terra: #B05C3A;--terra-light: #D4836A;--terra-faint: #F0E0D8;--sage: #5A7A68;--sage-faint: #DDE8E2;--blue: #3B5A8A;--blue-faint: #D8E2F0;--gold: #8A7040;--gold-faint: #F0EADA;--border: #D8D2C6;--shadow: rgba(28, 28, 30, .07);--bg: var(--cream);--surface: #ffffff;--text: var(--ink);--text-secondary: var(--ink-soft)}body{font-family:Mulish,sans-serif;font-weight:400;background:var(--cream);color:var(--ink);min-height:100vh}a{color:inherit;text-decoration:none}button,input,textarea,select{font-family:Mulish,sans-serif}.page-loading{display:flex;align-items:center;justify-content:center;height:100vh;font-size:14px;color:var(--ink-soft)}.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border-radius:8px;font-family:Mulish,sans-serif;font-size:13px;font-weight:600;cursor:pointer;border:1px solid var(--border);background:var(--cream);color:var(--ink-mid);transition:all .18s ease;text-decoration:none;white-space:nowrap;line-height:1}.btn:hover{background:var(--cream-dark);color:var(--ink)}.btn--primary{background:var(--terra);color:#fff;border-color:var(--terra)}.btn--primary:hover{background:#9a4f30;border-color:#9a4f30}.btn--ghost{background:transparent;color:var(--ink-soft);border-color:var(--border)}.btn--ghost:hover{background:var(--cream-dark);color:var(--ink)}.btn--sm{padding:6px 12px;font-size:12px}.btn--danger{background:#b03030;color:#fff;border-color:#b03030}.btn--danger:hover{background:#922626;border-color:#922626}.btn--danger-ghost{background:transparent;color:#b03030;border-color:var(--border)}.btn--danger-ghost:hover{background:#fee2e2;border-color:#fccaca;color:#b03030}.btn:disabled,.btn[disabled]{opacity:.45;cursor:not-allowed}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#1c1c1e73;display:flex;align-items:center;justify-content:center;z-index:1000}.modal{background:#fff;border:1px solid var(--border);border-radius:12px;padding:28px 32px;max-width:480px;width:90%;box-shadow:0 8px 40px var(--shadow)}.modal__title{font-family:Lora,Georgia,serif;font-size:17px;font-weight:600;color:var(--ink);margin-bottom:16px}.modal__body{font-size:14px;color:var(--ink-mid);margin-bottom:12px;line-height:1.5}.modal__input{width:100%;padding:8px 12px;border:1px solid var(--border);border-radius:8px;font-size:13px;background:var(--cream);color:var(--ink);margin-bottom:16px}.modal__input:focus{outline:none;border-color:var(--terra-light)}.modal__actions{display:flex;gap:10px;justify-content:flex-end}.back-btn{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border:1px solid var(--border);border-radius:8px;background:transparent;font-size:13px;font-weight:500;color:var(--ink-soft);cursor:pointer;transition:all .15s;text-decoration:none}.back-btn:hover{background:var(--cream-dark);color:var(--ink)}@media(max-width:768px){.modal-backdrop:has(.dict-modal){align-items:flex-start;justify-content:flex-start;padding:0}}:root{--vid-bg: #141416;--vid-surface: #1E1E22;--vid-border: rgba(255,255,255,.08);--vid-text: rgba(255,255,255,.85);--vid-muted: rgba(255,255,255,.35)}.room{display:flex;flex-direction:column;height:100vh;background:var(--vid-bg);overflow:hidden}.room__header{height:84px;background:var(--vid-surface);border-bottom:1px solid var(--vid-border);display:flex;align-items:center;padding:0 28px;gap:20px;flex-shrink:0;z-index:30;position:relative}.room__logo{font-family:Lora,Georgia,serif;font-size:27px;font-weight:600;color:#ffffffe6;letter-spacing:.02em;padding-right:24px;border-right:1px solid var(--vid-border)}.room__lesson-info{flex:1;min-width:0}.room__lesson-name{font-size:19px;font-weight:700;color:var(--vid-text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.room__lesson-meta{font-size:15px;color:var(--vid-muted);display:flex;align-items:center;gap:12px;margin-top:3px}.room__live-dot{width:10px;height:10px;border-radius:50%;background:var(--terra-light);flex-shrink:0;animation:room-livepulse 2s ease infinite}@keyframes room-livepulse{0%,to{opacity:1;box-shadow:0 0 #d4836a80}50%{opacity:.7;box-shadow:0 0 0 4px #d4836a00}}.room__header-right{display:flex;align-items:center;gap:12px;flex-shrink:0}.room__btn{display:inline-flex;align-items:center;gap:8px;padding:12px 22px;border-radius:9px;font-family:Mulish,sans-serif;font-size:17px;font-weight:600;cursor:pointer;border:1px solid var(--vid-border);background:transparent;color:var(--vid-muted);transition:all .18s;white-space:nowrap}.room__btn:hover{background:#ffffff0f;color:var(--vid-text)}.room__btn--exit{background:#b0303026;color:#e07070;border-color:#b0303040}.room__btn--exit:hover{background:#b0303047;color:#f08080}.room__btn--sm{padding:9px 16px;font-size:15px}.room__participants-badge{display:flex;align-items:center;gap:5px;padding:5px 12px;border-radius:7px;border:1px solid var(--vid-border);background:#ffffff0f;color:var(--vid-muted);font-size:13px;font-weight:600;cursor:default}.room__body{flex:1;display:flex;overflow:hidden;min-height:0}.room__video-panel{width:300px;flex-shrink:0;background:var(--vid-bg);border-right:1px solid var(--vid-border);display:flex;flex-direction:column;overflow:hidden}.room__video-main{position:relative;aspect-ratio:4/3;background:var(--vid-surface);flex-shrink:0;overflow:hidden}.room__video-feed{width:100%;height:100%;background:linear-gradient(145deg,#1a1a2e,#16213e,#0f3460);display:flex;align-items:center;justify-content:center}.room__video-name-tag{position:absolute;bottom:10px;left:12px;display:flex;align-items:center;gap:6px}.room__name-badge{background:#141416cc;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);padding:3px 10px;border-radius:5px;font-size:12px;font-weight:700;color:#ffffffe6}.room__role-badge{font-size:10px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--terra-light);background:#b05c3a40;padding:2px 8px;border-radius:4px}.room__video-controls{position:absolute;top:10px;right:10px;display:flex;gap:5px}.room__vid-ctrl{width:28px;height:28px;border-radius:6px;background:#141416b3;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);border:1px solid rgba(255,255,255,.1);color:#ffffffb3;font-size:13px;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .15s}.room__vid-ctrl:hover{background:#ffffff1a;color:#fff}.room__vid-ctrl--muted{background:#b0303066;color:#f08080;border-color:#b0303066}.room__participants{flex:1;overflow-y:auto;padding:8px;display:flex;flex-direction:column;gap:6px}.room__participants::-webkit-scrollbar{width:3px}.room__participants::-webkit-scrollbar-thumb{background:#ffffff1a;border-radius:2px}.room__participant-tile{position:relative;border-radius:8px;overflow:hidden;aspect-ratio:16/9;background:var(--vid-surface);border:1px solid var(--vid-border);display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:border-color .15s}.room__participant-tile--speaking{border-color:var(--sage)}.room__participant-avatar{width:36px;height:36px;border-radius:50%;font-family:Lora,Georgia,serif;font-size:14px;font-weight:600;display:flex;align-items:center;justify-content:center}.pav-a{background:#fdeac8;color:#8a5a10}.pav-b{background:#d8ede1;color:#3d6e52}.pav-c{background:#d8e2f0;color:#2e4d7a}.pav-d{background:#f0d8d8;color:#7a2e2e}.pav-e{background:#e8d8f0;color:#5a2e7a}.room__ptile-name{position:absolute;bottom:5px;left:8px;font-size:10.5px;font-weight:700;color:#fffc;background:#141416bf;padding:2px 7px;border-radius:4px}.room__exercise-panel{flex:1;display:flex;flex-direction:column;background:var(--cream);overflow:hidden}.room__slide-nav{display:flex;align-items:center;gap:12px;padding:12px 20px;background:#fff;border-bottom:1px solid var(--border);flex-shrink:0}.room__slide-label{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:var(--ink-faint);flex:1}.room__slide-btn{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;border:1px solid var(--border);border-radius:6px;background:transparent;color:var(--ink-soft);font-size:13px;cursor:pointer;transition:all .15s}.room__slide-btn:hover:not(:disabled){background:var(--cream-dark);color:var(--ink)}.room__slide-btn:disabled{opacity:.35;cursor:not-allowed}.room__exercises{flex:1;overflow-y:auto;padding:20px 24px;display:flex;flex-direction:column;gap:14px}.exercise-renderer,.exercise-renderer *{overflow-wrap:anywhere}.exercise-renderer,.text-block-content,.exercise-description{min-width:0}.exercise{background:#fff;border:1px solid var(--border);border-radius:12px;padding:18px 20px;min-width:0}.exercise__header{margin-bottom:12px}.exercise__label{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:var(--ink-faint);margin-bottom:4px}.exercise__description{font-size:14px;color:var(--ink-mid);line-height:1.5}.exercise__question{font-size:14px;color:var(--ink-mid);line-height:1.5;margin:0 0 12px}.exercise__options{display:flex;flex-direction:column;gap:8px;list-style:none;margin:0;padding:0}.exercise__options li label{display:flex;align-items:center;gap:10px;padding:10px 14px;border:1px solid var(--border);border-radius:8px;cursor:pointer;transition:all .15s;background:var(--cream);font-size:14px;color:var(--ink-mid)}.exercise__options li label:hover{border-color:var(--terra-light);background:var(--terra-faint)}.exercise__options li label.readonly{cursor:default}.exercise__text{font-size:15px;line-height:2.2;color:var(--ink-mid);margin:0}.exercise__blank-input{display:inline-block;min-width:80px;padding:3px 8px;border:none;border-bottom:2px solid var(--terra-light);background:transparent;font-size:15px;font-family:Mulish,sans-serif;color:var(--terra);font-weight:600;text-align:center;outline:none;transition:border-color .15s}.exercise__blank-input:focus{border-bottom-color:var(--terra)}.exercise__blank-input:disabled{opacity:.7}.exercise__textarea{width:100%;padding:12px 14px;border:1px solid var(--border);border-radius:8px;font-size:14px;font-family:Mulish,sans-serif;line-height:1.6;background:var(--cream);color:var(--ink);resize:vertical;min-height:100px;box-sizing:border-box}.exercise__textarea:focus{outline:none;border-color:var(--terra-light)}.exercise__textarea:disabled{opacity:.7}.dd-pool{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px;min-height:40px}.dd-item{padding:6px 14px;border:1px solid var(--border);border-radius:20px;background:#fff;font-size:13px;color:var(--ink-mid);cursor:grab;transition:all .15s;-webkit-user-select:none;user-select:none}.dd-item:hover{border-color:var(--terra-light);color:var(--terra)}.dd-item--placed{cursor:grab;border-color:var(--terra-light);color:var(--terra)}.dd-item--selected{background:var(--terra);color:#fff;border-color:var(--terra);box-shadow:0 3px 10px #b05c3a4d}.dd-pool__empty{font-size:13px;color:var(--ink-faint);align-self:center}.dd-slots{display:flex;flex-direction:column;gap:8px}.dd-slot{display:flex;align-items:center;gap:10px;padding:10px 14px;border:1px dashed var(--border);border-radius:8px;background:var(--cream);min-height:44px;transition:border-color .15s}.dd-slot--target{border-color:var(--terra);border-style:solid;background:var(--terra-faint);cursor:pointer}.dd-slot__label{font-size:14px;color:var(--ink-mid);min-width:80px}.dd-slot__content{flex:1;display:flex;align-items:center}.dd-slot__placeholder{font-size:12px;color:var(--ink-faint);font-style:italic}.bilingual-text{font-size:15px;line-height:1.9;color:var(--ink-mid)}.bilingual-text .bt-para{margin:0 0 4px}.bilingual-text .bt-para:last-child{margin-bottom:0}.bilingual-text .bt-list{margin:4px 0;padding-left:24px;list-style:disc}.bilingual-text .bt-list li{margin:2px 0}.bilingual-text strong{font-weight:700}.bilingual-text em{font-style:italic}.bt-phrase{position:relative;display:inline-block;border-bottom:2px solid var(--terra-light);color:var(--terra);font-weight:600;cursor:help}.bt-popup{display:none;position:absolute;bottom:calc(100% + 6px);left:50%;transform:translate(-50%);background:var(--ink);color:#fff;font-size:12px;font-weight:400;padding:4px 10px;border-radius:6px;white-space:nowrap;z-index:10;pointer-events:none}.bt-phrase:hover .bt-popup{display:block}.match-cols{display:grid;grid-template-columns:1fr 1fr;gap:12px}.match-col{display:flex;flex-direction:column;gap:8px}.match-item{padding:9px 14px;border:2px solid var(--border);border-radius:8px;font-size:13px;color:var(--ink-mid);background:var(--cream);cursor:pointer;transition:all .15s;-webkit-user-select:none;user-select:none}.match-item:hover{border-color:var(--terra-light);background:#fff}.match-item--selected{border-color:var(--terra);background:var(--terra-faint, #f5ede8);color:var(--ink)}.match-item--paired{font-weight:600}.match-item--clickable{border-style:dashed}.exercise__badge{display:inline-block;margin-top:10px;font-size:16px;font-weight:700}.exercise__badge--correct{color:var(--sage)}.exercise__badge--wrong{color:#b03030}.teacher-answers{background:var(--cream);border-top:1px solid var(--border);margin-top:12px;border-radius:8px;overflow:hidden}.teacher-answers__title{padding:10px 14px;border-bottom:1px solid var(--border);font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.12em;color:var(--ink-faint);background:#fff}.teacher-answers__list{padding:4px 0;list-style:none;margin:0}.teacher-answers__row{display:flex;align-items:center;gap:8px;padding:8px 14px;border-bottom:1px solid rgba(216,210,198,.35);font-size:13px}.teacher-answers__row:last-child{border-bottom:none}.teacher-answers__row--correct{background:var(--sage-faint, #f0faf0)}.teacher-answers__row--wrong{background:#fef2f2}.teacher-answers__name{font-weight:600;color:var(--ink-mid);min-width:100px}.teacher-answers__preview{flex:1;color:var(--ink-soft);font-size:12px}.teacher-answers__empty{padding:10px 14px;font-size:12px;color:var(--ink-faint);font-style:italic}.badge{font-size:13px;font-weight:700}.badge--correct{color:var(--sage)}.badge--wrong{color:#b03030}.media-widget{display:flex;flex-direction:column;align-items:center}.media-widget img,.media-widget video,.media-widget audio{display:block;margin:0 auto}.media-widget__hint{font-size:12px;color:var(--ink-faint);margin-top:6px;font-style:italic}.media-widget__progress-wrap{display:flex;align-items:center;gap:8px;margin-top:8px}.media-widget__progress-bar{flex:1;height:6px;background:var(--border);border-radius:3px;overflow:hidden}.media-widget__progress-fill{height:100%;background:var(--terra);border-radius:3px;transition:width .3s linear}.media-widget__progress-icon{font-size:11px;color:var(--ink-faint);flex-shrink:0;width:14px;text-align:center}.media-widget__unblock{margin-top:8px;padding:8px 20px;border-radius:8px;border:none;background:var(--terra);color:#fff;font-size:13px;font-weight:600;cursor:pointer;font-family:Mulish,sans-serif;transition:opacity .15s}.media-widget__unblock:hover{opacity:.85}.room__media-widget{background:#fff;border:1px solid var(--border);border-radius:12px;padding:14px 16px;margin-bottom:14px}.room__media-title{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:var(--ink-faint);margin-bottom:10px}.room__media-controls{display:flex;align-items:center;gap:10px}.room__media-btn{width:36px;height:36px;border-radius:50%;border:1px solid var(--border);background:var(--cream);color:var(--ink-mid);display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:14px;transition:all .15s;flex-shrink:0}.room__media-btn:hover{background:var(--terra-faint);border-color:var(--terra-light);color:var(--terra)}.room__media-progress{flex:1;height:4px;background:var(--cream-dark);border-radius:2px;overflow:hidden}.room__media-progress__fill{height:100%;background:var(--terra);border-radius:2px;transition:width .3s}.room__media-time{font-size:11px;color:var(--ink-soft);white-space:nowrap}.slide-nav-wrap{display:flex;align-items:center;gap:20px}.reaction-btns{display:flex;gap:8px}.reaction-btn{padding:6px 12px;border:1px solid var(--vid-border);border-radius:20px;background:transparent;font-size:16px;cursor:pointer;transition:all .15s;color:var(--vid-muted)}.reaction-btn:hover{border-color:var(--terra-light);background:#ffffff14;transform:scale(1.1)}.reaction-btn--active{border-color:var(--terra);background:#ffffff1f}.reaction-stats{display:flex;gap:12px}.reaction-stats__item{display:flex;align-items:center;gap:5px;font-size:14px;font-weight:600;color:var(--vid-muted)}.reaction-stats__item--up{color:#4ade80}.reaction-stats__item--down{color:#f87171}.answer-badge{display:inline-flex;align-items:center;gap:4px;font-size:11px;font-weight:700;padding:2px 8px;border-radius:4px}.answer-badge--correct{background:var(--sage-faint);color:var(--sage)}.answer-badge--wrong{background:#fee2e2;color:#b03030}.answer-badge--pending{background:var(--gold-faint);color:var(--gold)}.room-status{display:flex;align-items:center;justify-content:center;height:100vh;font-size:14px;color:var(--ink-faint);background:var(--cream);font-family:Mulish,sans-serif}.room-status--error{color:#b03030}.room__footer{height:52px;background:var(--vid-surface);border-top:1px solid var(--vid-border);display:flex;align-items:center;justify-content:center;padding:0 20px;flex-shrink:0}.slide-nav{display:flex;align-items:center;gap:16px}.slide-nav__btn{display:inline-flex;align-items:center;gap:5px;padding:6px 16px;border-radius:7px;border:1px solid var(--vid-border);background:transparent;color:var(--vid-muted);font-family:Mulish,sans-serif;font-size:12.5px;font-weight:600;cursor:pointer;transition:all .18s;white-space:nowrap}.slide-nav__btn:hover:not(:disabled){background:#ffffff0f;color:var(--vid-text)}.slide-nav__btn:disabled{opacity:.3;cursor:not-allowed}.slide-nav__counter{font-size:13px;color:var(--vid-muted);font-weight:600;min-width:60px;text-align:center}.exercise-panel{flex:1;overflow-y:auto;padding:20px 24px;display:flex;flex-direction:column;gap:16px;min-height:0}.exercise-panel__title{font-family:Lora,Georgia,serif;font-size:16px;font-weight:600;color:var(--ink);margin:0 0 16px}.exercise-panel__empty{color:var(--ink-faint);font-size:14px;font-style:italic;text-align:center;padding:40px 0}.exercise-panel__item{display:flex;flex-direction:column}.exercise-panel__item--text-block{background:none;border:none;padding:0}.exercise-check-btn{align-self:flex-start;margin-top:8px;padding:6px 16px;border-radius:7px;border:1px solid var(--terra-light);background:var(--terra-faint);color:var(--terra);font-family:Mulish,sans-serif;font-size:12.5px;font-weight:600;cursor:pointer;transition:all .18s}.exercise-check-btn:hover{background:var(--terra-faint);border-color:var(--terra);color:var(--terra)}.exercise-hint-btn{display:inline-flex;align-items:center;gap:5px;margin-top:6px;padding:5px 10px;border-radius:7px;border:1px solid var(--border);background:transparent;color:var(--ink-soft);font-family:Mulish,sans-serif;font-size:12px;font-weight:600;cursor:pointer;transition:all .15s}.exercise-hint-btn svg{width:13px;height:13px;flex-shrink:0}.exercise-hint-btn:hover,.exercise-hint-btn--active{background:var(--sage-faint);border-color:var(--sage);color:var(--sage)}.correct-hint{display:flex;flex-wrap:wrap;align-items:center;gap:6px;margin-top:6px;padding:8px 12px;background:var(--sage-faint);border:1px solid rgba(90,122,104,.25);border-radius:8px;animation:hint-appear .15s ease}@keyframes hint-appear{0%{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}.correct-hint--rows{flex-direction:column;align-items:flex-start}.correct-hint__label{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:var(--sage);flex-shrink:0}.correct-hint__value{font-size:13px;font-weight:600;color:var(--ink);background:#5a7a681f;padding:2px 8px;border-radius:4px}.correct-hint__pair{display:flex;align-items:center;gap:6px;font-size:13px;color:var(--ink)}.correct-hint__pair-left{font-weight:600}.correct-hint__pair-arrow{color:var(--sage);font-weight:700}.correct-hint__pair-right{color:var(--ink-mid)}@media(max-width:768px){.room__header{height:auto;min-height:60px;padding:8px 12px;gap:8px;flex-wrap:wrap;row-gap:6px}.room__logo{display:none}.room__lesson-info{flex:1 1 100%;order:-1}.room__lesson-name{font-size:16px}.room__btn{padding:6px 10px;font-size:12px}.room__body{flex-direction:column}.room__video-panel{width:100%;height:auto;flex-shrink:0;border-right:none;border-bottom:1px solid var(--vid-border);max-height:200px}.room__video-main{aspect-ratio:16/9;max-height:160px}.room__participants{flex-direction:row;overflow-x:auto;overflow-y:visible;padding:6px;gap:6px;max-height:none}.room__participant-tile{width:96px;height:54px;aspect-ratio:unset;flex-shrink:0}.room__exercise-panel{flex:1;min-height:0}.room__footer{padding:0 10px}.slide-nav-wrap{width:100%;gap:8px;justify-content:space-between}.slide-nav{gap:8px}.slide-nav__btn{padding:6px 10px;font-size:12px}.slide-nav__counter{white-space:nowrap}.reaction-btns{gap:6px;flex-shrink:0}.media-widget img,.media-widget video,.media-widget audio,.media-widget iframe{width:100%!important;max-width:100%!important}.media-widget__progress-wrap{width:100%!important}}.exercise--word-order{display:flex;flex-direction:column;gap:12px}.wo-row{display:flex;flex-wrap:wrap;gap:6px;padding:8px;background:var(--cream);border-radius:8px}.wo-chip{background:#fff;border:1.5px solid var(--terra-light);border-radius:20px;padding:5px 13px;font-size:14px;font-weight:600;color:var(--terra);cursor:pointer;-webkit-user-select:none;user-select:none;transition:background .15s,box-shadow .15s}.wo-chip--selected{background:var(--terra);color:#fff;box-shadow:0 3px 10px #b05c3a4d}.wo-chip:disabled{cursor:default}.exercise--word-bank{display:flex;flex-direction:column;gap:14px}.wb-bank{display:flex;flex-wrap:wrap;gap:8px;padding:12px;background:var(--cream);border-radius:8px;min-height:44px}.wb-chip{background:#fff;border:1.5px solid var(--terra-light);border-radius:20px;padding:5px 14px;font-size:14px;font-weight:600;color:var(--terra);cursor:pointer;-webkit-user-select:none;user-select:none}.wb-chip--used{opacity:.3;cursor:default}.wb-text{display:flex;flex-wrap:wrap;align-items:center;gap:6px;font-size:15px;line-height:2.1;color:var(--ink-mid)}.wb-slot{display:inline-flex;align-items:center;justify-content:center;min-width:64px;height:32px;border:2px dashed var(--terra-light);border-radius:20px;padding:0 12px;font-size:14px;font-weight:600;color:var(--terra);background:var(--terra-faint);cursor:pointer}.wb-slot--filled{border-style:solid;background:var(--cream-dark)}.exercise--transform{display:flex;flex-direction:column;gap:10px}.tr-row{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:14px}.tr-num{font-weight:700;color:var(--terra);min-width:20px}.tr-prompt{color:var(--ink-mid)}.tr-arrow{color:var(--ink-faint)}.tr-input{border:1.5px solid var(--border);border-radius:6px;padding:4px 10px;font-size:14px;color:var(--ink);min-width:160px;flex:1;outline:none;background:#fff}.tr-input:focus{border-color:var(--terra)}.exercise--read-translate{display:flex;flex-direction:column;gap:8px}.rt-hint{font-size:12px;color:var(--ink-faint)}.rt-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}.rt-item{background:var(--cream);border:1.5px solid transparent;border-radius:8px;padding:10px 14px;font-size:14px;line-height:1.6;cursor:pointer;transition:border-color .2s}.rt-item:hover{border-color:var(--terra-light)}.rt-text{display:block;color:var(--ink-mid)}.rt-translation{display:block;margin-top:6px;padding-top:6px;border-top:1px dashed var(--border);font-size:13px;font-style:italic;color:var(--terra)}.exercise--grammar-table{display:flex;flex-direction:column;gap:8px}.gt-caption{font-size:13px;font-weight:600;color:var(--ink-soft)}.gt-scroll{max-width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch;border-radius:8px}.gt-table{width:100%;min-width:max-content;border-collapse:collapse;font-size:14px}.gt-table th,.gt-table td{padding:8px 12px;text-align:left;border:1px solid var(--border)}.gt-table th{background:var(--terra);color:#fff;font-weight:600}.gt-table tr:nth-child(2n) td{background:var(--cream)}@media(max-width:640px){.gt-table{font-size:13px}.gt-table th,.gt-table td{padding:6px 9px}.gt-scroll{scrollbar-width:thin}}.exercise--cards .cards-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px}.card-tile{border:1.5px solid var(--border);border-radius:10px;overflow:hidden;background:#fff}.card-tile__img img{display:block;width:100%}.card-tile__info{padding:10px 12px}.card-tile__title{font-size:14px;font-weight:700;color:var(--terra)}.card-tile__subtitle{font-size:12px;color:var(--ink-faint);margin-top:2px}.card-tile__body{font-size:13px;color:var(--ink-mid);margin-top:6px;line-height:1.45}.card-tile__audio{margin-top:8px}.card-tile__img .media-widget img{margin-inline:auto}.card-tile{display:flex;flex-direction:column}.cb-image__inner{margin:0 auto}.cb-text{padding:2px 12px;line-height:1.45}.cb-text--title{font-size:14px;font-weight:700;color:var(--terra);padding-top:10px}.cb-text--subtitle{font-size:12px;color:var(--ink-faint)}.cb-text--body{font-size:13px;color:var(--ink-mid)}.cb-audio{padding:8px 12px}.card-tile>.cb-text:last-child,.card-tile>.cb-audio:last-child{padding-bottom:10px}.exercise--canvas{position:relative;display:flex;flex-direction:column;gap:14px}.canvas-row{display:flex;flex-wrap:wrap;gap:18px;align-items:flex-start}.canvas-col{flex:1 1 0;min-width:0;display:flex;flex-direction:column;gap:10px}.canvas-block{min-width:0}.cv-text{line-height:1.5;color:var(--ink-mid);font-size:15px;white-space:pre-wrap}.cv-heading{font-family:Lora,serif;color:var(--ink);font-weight:600}.cv-heading--h1{font-size:22px}.cv-heading--h2{font-size:18px}.cv-heading--h3{font-size:15px;text-transform:uppercase;letter-spacing:.04em;color:var(--ink-soft)}.cv-divider{border:none;border-top:1px solid var(--border);margin:4px 0}.cv-media{display:flex}.cv-media--left{justify-content:flex-start}.cv-media--center{justify-content:center}.cv-media--right{justify-content:flex-end}.cv-media__inner{max-width:100%}.cv-media__inner img,.cv-media__inner video{display:block;width:100%;border-radius:8px}@media(max-width:640px){.canvas-col{flex-basis:100%!important}}.wb-sentences{display:flex;flex-direction:column;gap:8px}.wb-line{display:flex;flex-wrap:wrap;align-items:center;gap:6px;font-size:15px;line-height:2.1}.wb-line__num{font-weight:700;color:var(--terra);min-width:18px}.wb-line__body{display:inline-flex;flex-wrap:wrap;align-items:center;gap:6px}.wb-chip{cursor:grab}.wb-chip:active{cursor:grabbing}.wb-chip--selected{background:var(--terra);color:#fff;box-shadow:0 3px 10px #b05c3a4d}.wb-slot--over{border-color:var(--terra);border-style:solid;background:var(--terra-faint)}.wb-slot__chip{display:inline-block;cursor:grab;font-weight:600;color:var(--terra)}.wb-slot__chip:active{cursor:grabbing}.wo-chip{cursor:grab}.wo-chip:active{cursor:grabbing}.wo-chip--over{border-color:var(--terra);border-style:solid;background:var(--terra-faint)}.exercise-panel--student,.room__exercises{padding-inline:clamp(16px,16%,320px)}