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span:not(.avatar){display:none}.avatar{width:26px;height:26px;margin-left:0;font-size:10px}.hero{grid-template-columns:1fr;gap:33px;padding:40px 0}h1{letter-spacing:-3px;font-size:57px}.hero-copy{font-size:15px}.hero-art{height:345px}.floating-lesson{top:66px;left:25px;right:35px}.hero-notes{flex-wrap:wrap;gap:16px}.section-heading{display:block}.section-heading p{margin-top:14px}h2{font-size:26px}.module-card{padding:16px}.module-card h3{font-size:15px}.module-grid{gap:10px}.module-card p{min-height:50px}.study-method{grid-template-columns:1fr}.study-method h2{font-size:34px}.study-method>.eyebrow{grid-column:auto}.launch{padding:26px;display:block}.launch h2{font-size:24px}.launch .primary{margin-top:12px}footer{flex-wrap:wrap;line-height:1.6}.workspace{display:block}aside{border-right:0;border-bottom:1px solid var(--line);flex-direction:row;gap:7px;padding:16px;display:flex;overflow-x:auto}aside .eyebrow,aside .side-label,.sidebar-bottom{display:none}.side-item{white-space:nowrap;flex-shrink:0;width:auto;margin:0;font-size:11px}.content{padding:30px 5%}.content h1{font-size:31px}.stats>div{padding:17px 11px}.stats small{letter-spacing:.3px;font-size:8px}.stats strong{font-size:25px}.list-heading{flex-wrap:wrap;gap:10px}.list-heading input{max-width:none}.form-grid{grid-template-columns:1fr;gap:0}.panel{padding:20px}.editor-footer{flex-direction:column;align-items:start}.lesson-row{flex-wrap:wrap;gap:9px;padding:15px}.lesson-symbol{padding:9px}.badge{font-size:8px}.lesson-row-title{min-width:50%}.empty{padding:45px 22px}.empty h3{font-size:21px}.toast{justify-content:space-between;width:90vw}.toolbar button:last-child{margin-left:0}.launch{margin-bottom:35px}}.badge.type-visual{color:#174f68;background:#e3edf2}.badge.type-listening{color:#176c65;background:#e4efe7}.badge.type-atc{color:#2c426b;background:#e9ecf2}.badge.type-decision{color:#533b7b;background:#ece7f4}.badge.type-plain{color:#875518;background:#fdf2e3}.badge.review{color:#7f6010;background:#fdf5d7;border:1px solid #d9c57d;font-weight:700}.badge.category{color:#43545b;background:#f4f6f4;border:1px solid #d6deda}.badge.scope{color:#366060;background:#f0f4f4;border:1px solid #c8dbdb}.badge-group{flex-wrap:wrap;align-items:center;gap:6px;margin:8px 0;display:flex}.objective-card{border-left:4px solid var(--teal);background:#f4f7f6;border-radius:0 4px 4px 0;margin:18px 0 24px;padding:14px 18px}.objective-card-header{letter-spacing:1.5px;color:var(--teal);align-items:center;gap:6px;margin-bottom:5px;font:700 10px monospace;display:flex}.objective-card p{color:var(--ink);margin:0;font-size:14px;line-height:1.5}.visual-flashcard-container{border:1px solid var(--line);background:#fff;border-radius:6px;margin:20px 0;overflow:hidden;box-shadow:0 1px 3px #0000000a}.visual-flashcard-header{color:#fff;letter-spacing:1px;background:#152a34;justify-content:space-between;align-items:center;padding:10px 16px;font-family:monospace;font-size:11px;display:flex}.visual-flashcard-media{background:#0d1a20;justify-content:center;align-items:center;padding:12px;display:flex}.visual-flashcard-image{object-fit:contain;border-radius:4px;max-width:100%;max-height:420px}.visual-flashcard-body{padding:20px}.visual-vocab-grid{grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px;margin-top:14px;display:grid}.visual-vocab-card{background:#f8faf8;border:1px solid #d7e4dc;border-radius:4px;padding:12px 14px;transition:transform .1s,border-color .1s}.visual-vocab-card:hover{border-color:var(--teal);background:#fff}.visual-vocab-card strong{color:var(--ink);font-size:14px;display:block}.visual-vocab-card span{color:var(--muted);margin-top:3px;font-size:12px;display:block}.editor-section{border-top:1px solid var(--line);margin-top:20px;padding-top:20px}.editor-section-header{justify-content:space-between;align-items:center;margin-bottom:14px;display:flex}.editor-section-title{letter-spacing:1px;text-transform:uppercase;color:var(--muted);align-items:center;gap:8px;font-size:12px;font-weight:700;display:flex}.format-callout{color:#174e47;background:#f0f7f5;border:1px solid #c7e1d8;border-radius:4px;margin-bottom:20px;padding:12px 16px;font-size:13px}.format-callout strong{margin-bottom:4px;font-size:13px;display:block}.field-highlight{border-left:3px solid var(--teal);background:#fbfdfc;border-radius:0 4px 4px 0;margin-bottom:16px;padding-left:12px}.field-count{color:var(--muted);float:right;font-family:monospace;font-size:11px}.badge.track-message{color:#0369a1;background:#e0f2fe;border:1px solid #bae6fd}.badge.track-guided{color:#92400e;background:#fef3c7;border:1px solid #fde68a;font-weight:700}.badge.track-model{color:#166534;background:#dcfce7;border:1px solid #bbf7d0}.badge.track-pronunciation{color:#6b21a8;background:#f3e8ff;border:1px solid #e9d5ff}.multi-audio-container{width:100%}.audio-track-card{transition:all .2s}.audio-track-card:hover{border-color:#a4c4b8!important}.audio-track-card.playing{border-color:var(--teal)!important;box-shadow:0 2px 10px #176c6526!important}.transcript-toggle-btn{transition:all .15s}.transcript-toggle-btn:hover{color:var(--teal)!important;background:#f0f7f5!important}.audio-transcript-panel{animation:.2s ease-in-out transcriptFadeIn}@keyframes transcriptFadeIn{0%{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}.editor-track-card{transition:border-color .2s}.editor-track-card:hover{border-color:#a4c4b8!important}.content{max-width:860px}.lesson-intro{color:var(--ink);max-width:760px;font-size:16px;line-height:1.6}.exercise-card{box-shadow:0 1px 3px #00000008}.exercise-card h3{color:var(--ink);font-size:18px;font-weight:600;line-height:1.45}@media (width<=650px){.content h1{letter-spacing:-.5px!important;font-size:28px!important}.exercise-card{padding:16px!important}.exercise-card h3{font-size:16px!important}}.admin-lesson-manager{flex-direction:column;gap:20px;width:100%;display:flex}.admin-manager-header{border-bottom:1px solid var(--line);flex-wrap:wrap;justify-content:space-between;align-items:flex-start;gap:16px;padding-bottom:16px;display:flex}.admin-manager-header .header-text h1{letter-spacing:-.5px;color:var(--ink);margin:4px 0 6px;font-size:26px;font-weight:700}.admin-manager-header .header-text p{color:var(--muted);max-width:620px;margin:0;font-size:14px}.admin-manager-header .header-actions{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.admin-manager-header .header-actions button{align-items:center;gap:7px;min-height:40px;padding:8px 16px;font-size:13px;font-weight:600;display:inline-flex}.admin-filters-card{border:1px solid var(--line);background:#fff;border-radius:6px;padding:16px 20px;box-shadow:0 1px 2px #00000008}.filters-grid{grid-template-columns:minmax(220px,1.8fr) repeat(3,minmax(160px,1fr));align-items:flex-end;gap:14px;display:grid}.filter-field{flex-direction:column;gap:6px;display:flex}.filter-field label{color:var(--ink);letter-spacing:.2px;font-size:12px;font-weight:600}.search-input-wrapper{align-items:center;display:flex;position:relative}.search-input-wrapper .search-icon{color:var(--muted);pointer-events:none;position:absolute;left:11px}.search-input-wrapper input{width:100%;color:var(--ink);border:1px solid var(--line);background:#fff;border-radius:4px;outline:none;min-height:38px;padding:8px 32px 8px 34px;font-size:14px;transition:border-color .15s,box-shadow .15s}.search-input-wrapper input:focus{border-color:var(--teal);box-shadow:0 0 0 3px #176c651f}.clear-input-btn{color:var(--muted);border-radius:3px;padding:2px 6px;font-size:11px;position:absolute;right:8px}.clear-input-btn:hover{color:var(--ink)}.filter-field select{width:100%;color:var(--ink);border:1px solid var(--line);cursor:pointer;background:#fff;border-radius:4px;outline:none;min-height:38px;padding:8px 12px;font-size:14px;transition:border-color .15s}.filter-field select:focus{border-color:var(--teal);box-shadow:0 0 0 3px #176c651f}.filters-meta-bar{border-top:1px dashed var(--line);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:10px;margin-top:14px;padding-top:12px;font-size:13px;display:flex}.results-count{color:var(--ink)}.results-count strong{color:var(--teal);font-weight:700}.filters-active-tag{color:var(--muted);margin-left:4px;font-size:12px}.clear-filters-btn{color:#b91c1c;background:#fef2f2;border:1px solid #fecaca;border-radius:4px;align-items:center;gap:6px;padding:4px 8px;font-size:12px;font-weight:600;transition:all .15s;display:inline-flex}.clear-filters-btn:hover{color:#991b1b;background:#fee2e2}.admin-state-panel{border:1px solid var(--line);text-align:center;background:#fff;border-radius:6px;flex-direction:column;justify-content:center;align-items:center;padding:48px 24px;display:flex}.admin-state-panel h3{color:var(--ink);margin:14px 0 6px;font-size:18px;font-weight:700}.admin-state-panel p{color:var(--muted);max-width:520px;margin:0;font-size:14px;line-height:1.5}.admin-state-panel .error-message-text{color:#b91c1c;background:#fef2f2;border:1px solid #fecaca;border-radius:4px;margin-top:10px;padding:10px 14px;font-size:13px}.admin-state-panel .empty-actions{flex-wrap:wrap;justify-content:center;gap:12px;margin-top:18px;display:flex}.admin-lessons-list{flex-direction:column;gap:12px;display:flex}.admin-lesson-card{border:1px solid var(--line);background:#fff;border-radius:6px;flex-direction:column;gap:12px;padding:16px 20px;transition:border-color .15s,box-shadow .15s;display:flex}.admin-lesson-card:hover{border-color:#b5c7c2;box-shadow:0 2px 6px #0000000a}.card-top-row{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:10px;display:flex}.tags-left,.tags-right{flex-wrap:wrap;align-items:center;gap:7px;display:flex}.card-module-tag{text-transform:uppercase;letter-spacing:.5px;color:var(--teal);background:#eef8f6;border:1px solid #cce9e3;border-radius:4px;padding:3px 8px;font-size:11px;font-weight:700}.card-main-content{flex-direction:column;gap:6px;display:flex}.card-title{color:var(--ink);margin:0;font-size:17px;font-weight:700;line-height:1.35}.card-objective{color:#3b5059;margin:0;font-size:13px;line-height:1.45}.card-objective strong{color:var(--ink)}.card-meta{color:var(--muted);flex-wrap:wrap;align-items:center;gap:14px;margin-top:2px;font-size:12px;display:flex}.meta-item{align-items:center;gap:5px;display:inline-flex}.scope-item{background:#f1f5f9;border-radius:3px;padding:1px 6px;font-size:11px}.card-actions-row{border-top:1px solid #f1f4f3;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;padding-top:10px;display:flex}.actions-primary{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.admin-action-btn{border-radius:4px;align-items:center;gap:6px;min-height:36px;padding:7px 14px;font-size:13px;font-weight:600;transition:all .15s;display:inline-flex}.action-edit{color:var(--teal);border:1.5px solid var(--teal);background:#fff}.action-edit:hover{background:#eef8f6}.action-preview{color:var(--ink);border:1px solid var(--line);background:#f8f9fa}.action-preview:hover{background:#edf1f0;border-color:#c4d0cc}.action-delete{color:var(--muted);background:0 0;border:1px solid #0000;padding:7px 10px}.action-delete:hover{color:#b91c1c;background:#fef2f2;border-color:#fecaca}@media (width<=768px){.admin-manager-header{flex-direction:column;align-items:stretch}.admin-manager-header .header-actions{width:100%}.admin-manager-header .header-actions button{flex:1;justify-content:center}.filters-grid{grid-template-columns:1fr;gap:12px}.filter-field input,.filter-field select{font-size:16px!important}.card-top-row{flex-direction:column;align-items:flex-start}.tags-right{margin-top:4px}.card-actions-row{flex-direction:column;align-items:stretch}.actions-primary{width:100%}.actions-primary .admin-action-btn{flex:1;justify-content:center;min-height:44px}.action-delete{align-self:flex-end;min-height:44px;padding:8px 16px}}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-outline-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}@keyframes spin{to{transform:rotate(360deg)}}