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2px);cursor:pointer;font-size:1rem;font-weight:500;color:var(--text-secondary);transition:all .15s}.mode-btn:hover{color:var(--text-primary);background:var(--bg-primary)}.mode-btn.active{background:var(--accent-primary);color:#fff}.mode-icon{font-size:1.2rem}.mode-description{text-align:center;color:var(--text-secondary);font-size:.9rem;margin-bottom:20px;padding:0 20px}.tier-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.tier-btn{display:flex;flex-direction:column;align-items:center;padding:24px 16px;background:var(--bg-secondary);border:2px solid var(--border-color);border-radius:var(--radius);cursor:pointer;transition:all .15s;text-align:center;position:relative}.tier-btn:hover{border-color:var(--accent-primary);background:var(--bg-primary)}.tier-btn.selected{border-color:var(--accent-primary);background:color-mix(in srgb,var(--accent-primary) 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600px){.profile-header{flex-direction:column;text-align:center}.language-grid{grid-template-columns:repeat(2,1fr)}}.settings-page{max-width:1200px;margin:0 auto;padding:24px}.settings-header{margin-bottom:32px}.settings-header h1{margin:0 0 8px;font-size:2rem;color:var(--text-primary)}.settings-header p{margin:0;color:var(--text-secondary);font-size:1.1rem}.settings-section{background:var(--bg-secondary);border-radius:12px;padding:24px;margin-bottom:24px}.settings-section h2{font-size:1.2rem;font-weight:600;margin:0 0 16px;color:var(--text-primary)}.theme-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:12px}.theme-option{display:flex;flex-direction:column;align-items:center;gap:10px;padding:12px;background:var(--bg-primary);border:2px solid var(--border-color);border-radius:12px;cursor:pointer;transition:all 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8px;color:var(--text-primary)}.subsection-desc{color:var(--text-secondary);font-size:.9rem;margin:0 0 16px}.export-controls,.import-controls{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.stack-select{padding:10px 14px;border:1px solid var(--border-color);border-radius:8px;background:var(--bg-primary);color:var(--text-primary);font-size:14px;min-width:200px;cursor:pointer}.stack-select:focus{outline:none;border-color:var(--accent-primary)}.new-stack-input{padding:10px 14px;border:1px solid var(--border-color);border-radius:8px;background:var(--bg-primary);color:var(--text-primary);font-size:14px;min-width:180px}.new-stack-input:focus{outline:none;border-color:var(--accent-primary)}.new-stack-input::placeholder{color:var(--text-secondary)}.export-btn,.import-btn{padding:10px 20px;background:var(--accent-primary);color:#fff;border:none;border-radius:8px;font-size:14px;font-weight:500;cursor:pointer;transition:background .2s}.export-btn:hover:not(:disabled),.import-btn:hover:not(:disabled){background:var(--accent-hover)}.export-btn:disabled,.import-btn:disabled{opacity:.6;cursor:not-allowed}.import-result{margin-top:12px;padding:12px 16px;border-radius:8px;font-size:14px}.import-result.success{background:#d4edda;color:#155724}.import-result.error{background:#f8d7da;color:#721c24}.section-desc{color:var(--text-secondary);font-size:.95rem;margin:0 0 20px}.extension-coming-soon{display:flex;flex-direction:column;align-items:center;gap:16px;padding:32px;background:var(--bg-primary);border:2px dashed var(--border-color);border-radius:12px}.extension-preview{display:flex;flex-direction:column;align-items:center;gap:12px}.extension-icon-large{font-size:3rem;opacity:.6}.extension-browsers{display:flex;gap:16px;color:var(--text-secondary);font-size:.95rem}.coming-soon-badge{background:var(--bg-secondary);color:var(--text-secondary);padding:6px 16px;border-radius:20px;font-size:.85rem;font-weight:500;border:1px solid var(--border-color)}@media (max-width: 600px){.theme-grid{grid-template-columns:repeat(2,1fr)}.export-controls,.import-controls{flex-direction:column;align-items:stretch}.stack-select{min-width:auto;width:100%}.extension-cards{flex-direction:column}.extension-card{width:100%}}.news-page{max-width:1200px;margin:0 auto;padding:24px}.news-header{margin-bottom:32px}.news-header h1{margin:0 0 8px;font-size:2rem;color:var(--text-primary)}.news-header p{margin:0;color:var(--text-secondary);font-size:1.1rem}.news-teaser{padding:2rem;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:12px}.news-teaser-icon{font-size:3rem;margin-bottom:.75rem}.news-teaser h2{margin:0 0 1rem;color:var(--text-primary);font-size:1.5rem}.news-teaser-description{color:var(--text-secondary);font-size:1.1rem;line-height:1.6;margin-bottom:2rem}.news-teaser-button{display:inline-flex;align-items:center;gap:.5rem;padding:.875rem 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p{margin:0;color:var(--text-secondary);font-size:1rem;max-width:400px;line-height:1.6}.dialogues-container{max-width:1200px;margin:0 auto;padding:24px}.dialogues-header{margin-bottom:32px}.dialogues-header h1{margin:0 0 8px;font-size:2rem;color:var(--text-primary)}.dialogues-header p{margin:0;color:var(--text-secondary);font-size:1.1rem}.dialogues-filters{display:flex;gap:16px;margin-bottom:24px}.dialogues-search{flex:1}.dialogues-search input{width:100%;padding:12px 16px;font-size:16px;border:1px solid var(--border-color);border-radius:8px;outline:none;transition:border-color .2s;background:var(--bg-primary);color:var(--text-primary)}.dialogues-search input:focus{border-color:var(--accent-primary)}.level-filter select{padding:12px 16px;font-size:16px;border:1px solid var(--border-color);border-radius:8px;background:var(--bg-primary);color:var(--text-primary);cursor:pointer;outline:none}.level-filter 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#1abc9c40;border-radius:12px;margin-bottom:24px}.dialogue-teaser .teaser-icon{font-size:28px}.dialogue-teaser .teaser-text{color:var(--text-primary);font-weight:500}.scenarios-overview{margin-bottom:32px}.scenarios-stats{display:flex;gap:24px;flex-wrap:wrap}.stat-item{display:flex;flex-direction:column;align-items:center;padding:16px 24px;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:12px;min-width:100px}.stat-number{font-size:1.8rem;font-weight:700;color:var(--accent-primary)}.stat-label{font-size:.85rem;color:var(--text-secondary);margin-top:4px}.scenario-category{margin-bottom:32px}.category-title{display:flex;align-items:center;gap:10px;margin:0 0 16px;font-size:1.2rem;color:var(--text-primary)}.category-icon{font-size:1.4rem}.scenarios-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:16px}.scenario-card{display:flex;align-items:center;gap:16px;padding:20px;background:var(--bg-secondary);border:1px solid 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.message-content{text-align:right}.message-role{font-size:.75rem;font-weight:600;color:var(--text-muted);margin-bottom:4px;text-transform:uppercase;letter-spacing:.5px}.message-text{padding:12px 16px;border-radius:16px;font-size:1rem;line-height:1.5}.message.ai .message-text{background:var(--bg-tertiary);color:var(--text-primary);border-bottom-left-radius:4px}.message.user .message-text{background:var(--accent-primary);color:#fff;border-bottom-right-radius:4px}.typing-indicator{display:flex;align-items:center;gap:4px;padding:16px 20px!important}.typing-indicator span{width:8px;height:8px;background:var(--text-muted);border-radius:50%;animation:bounce 1.4s infinite ease-in-out both}.typing-indicator span:nth-child(1){animation-delay:-.32s}.typing-indicator span:nth-child(2){animation-delay:-.16s}@keyframes bounce{0%,80%,to{transform:scale(.6);opacity:.5}40%{transform:scale(1);opacity:1}}.message-hint{margin-top:8px;padding:8px 12px;background:#fff9e6;border:1px solid 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var(--border-color);border-radius:8px;cursor:pointer;font-size:.9rem;color:var(--text-secondary);transition:all .2s}.hint-btn:hover{border-color:#ffe066;background:#fffdf5}.dialogue-complete{padding:30px;text-align:center}.complete-header{margin-bottom:24px}.complete-icon{font-size:48px;display:block;margin-bottom:12px}.complete-header h3{margin:0;font-size:1.5rem;color:var(--text-primary)}.vocabulary-section{text-align:left;margin-bottom:24px}.vocabulary-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}.vocabulary-header h4{margin:0;font-size:1rem;color:var(--text-secondary)}.save-all-btn{padding:8px 16px;background:var(--accent-primary);color:#fff;border:none;border-radius:8px;cursor:pointer;font-size:.9rem;font-weight:500;transition:all 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#28a745;color:#28a745;cursor:default}.complete-actions{display:flex;justify-content:center;gap:12px;flex-wrap:wrap}.restart-btn,.back-to-scenarios-btn{padding:12px 24px;border-radius:10px;font-size:1rem;font-weight:500;cursor:pointer;transition:all .2s}.restart-btn{background:var(--accent-primary);color:#fff;border:none}.restart-btn:hover{background:var(--accent-hover)}.back-to-scenarios-btn{background:var(--bg-tertiary);color:var(--text-primary);border:1px solid var(--border-color)}.back-to-scenarios-btn:hover{border-color:var(--accent-primary)}@media (max-width: 600px){.dialogue-active-header{flex-direction:column;align-items:flex-start}.dialogue-roles{margin-left:0}.message-content{max-width:85%}.scenarios-grid{grid-template-columns:1fr}.complete-actions{flex-direction:column}.complete-actions button{width:100%}.scenarios-stats{justify-content:center}.stat-item{flex:1;min-width:80px}.vocabulary-header{flex-direction:column;gap:12px;align-items:flex-start}.save-all-btn{width:100%}}.games-container{max-width:1200px;margin:0 auto;padding:24px}.games-header{margin-bottom:32px}.games-header h1{margin:0 0 8px;font-size:2rem;color:var(--text-primary)}.games-header p{margin:0;color:var(--text-secondary);font-size:1.1rem}.games-coming-soon{text-align:left;padding:40px;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:16px;display:flex;align-items:center;gap:24px}.games-coming-soon .coming-soon-icon{font-size:48px;flex-shrink:0}.games-coming-soon h2{margin:0 0 8px;font-size:1.3rem;color:var(--text-primary)}.games-coming-soon>p,.coming-soon-content p{margin:0;color:var(--text-secondary)}.games-preview{padding-top:30px;border-top:1px solid var(--border-color)}.games-preview h3{margin:0 0 20px;font-size:1rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:1px}.games-preview-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:16px;max-width:500px;margin:0 auto}.game-preview-card{display:flex;flex-direction:column;align-items:center;gap:8px;padding:20px 16px;background:var(--bg-tertiary);border-radius:12px;opacity:.7}.game-preview-card .game-icon{font-size:32px}.game-preview-card .game-name{font-size:.85rem;color:var(--text-secondary);text-align:center}@media (max-width: 500px){.games-preview-grid{grid-template-columns:repeat(2,1fr)}}.writing-container{max-width:1200px;margin:0 auto;padding:24px}.writing-header{margin-bottom:32px}.writing-header h1{margin:0 0 8px;font-size:2rem;color:var(--text-primary)}.writing-header p{margin:0;color:var(--text-secondary);font-size:1.1rem}.writing-coming-soon{text-align:left;padding:40px;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:16px;display:flex;align-items:center;gap:24px}.writing-coming-soon .coming-soon-icon{font-size:48px;flex-shrink:0}.writing-coming-soon h2{margin:0 0 8px;font-size:1.3rem;color:var(--text-primary)}.writing-coming-soon>p,.coming-soon-content p{margin:0;color:var(--text-secondary)}.writing-preview{padding-top:30px;border-top:1px solid var(--border-color)}.writing-preview h3{margin:0 0 20px;font-size:1rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:1px}.features-list{display:flex;flex-direction:column;gap:12px;max-width:400px;margin:0 auto;text-align:left}.feature-item{display:flex;align-items:flex-start;gap:12px;padding:16px;background:var(--bg-tertiary);border-radius:12px;opacity:.8}.feature-item .feature-icon{font-size:24px;flex-shrink:0}.feature-info{display:flex;flex-direction:column;gap:4px}.feature-name{font-weight:600;color:var(--text-primary);font-size:.95rem}.feature-desc{font-size:.85rem;color:var(--text-secondary)}.legal-page{max-width:1200px;margin:0 auto;padding:24px}.legal-page h1{font-size:2rem;color:var(--text-primary);margin:0 0 32px}.legal-section{margin-bottom:32px}.legal-section h2{font-size:1.25rem;color:var(--text-primary);margin:0 0 12px}.legal-section p{color:var(--text-secondary);line-height:1.7;margin:0 0 12px}.legal-section p:last-child{margin-bottom:0}.legal-section ul{color:var(--text-secondary);line-height:1.7;padding-left:24px;margin:0}.legal-section li{margin-bottom:8px}.dictionary-fab{position:fixed;bottom:24px;right:24px;width:56px;height:56px;border-radius:50%;background:var(--accent-primary);color:#fff;border:none;cursor:pointer;box-shadow:var(--shadow-md);transition:all .2s ease;z-index:1000;display:flex;align-items:center;justify-content:center}.dictionary-fab:hover{transform:scale(1.05);box-shadow:var(--shadow-lg)}.dictionary-fab.active{background:#666;transform:rotate(90deg)}.fab-icon{font-size:24px;line-height:1}.fab-badge{position:absolute;top:-4px;right:-4px;min-width:20px;height:20px;padding:0 6px;background:#ef4444;color:#fff;font-size:11px;font-weight:600;border-radius:10px;display:flex;align-items:center;justify-content:center;box-shadow:0 2px 4px #0003;animation:badgePop .3s ease}@keyframes badgePop{0%{transform:scale(0)}50%{transform:scale(1.2)}to{transform:scale(1)}}.dictionary-backdrop{position:fixed;top:0;left:0;right:0;bottom:0;background:#0000004d;z-index:1001;animation:fadeIn .15s ease}.dictionary-overlay{position:fixed;bottom:96px;right:24px;width:380px;max-height:500px;background:var(--bg-secondary);border-radius:16px;box-shadow:var(--shadow-lg);z-index:1002;display:flex;flex-direction:column;animation:slideUp .2s ease;overflow:hidden}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.dictionary-header{padding:16px 20px;border-bottom:1px solid var(--border-color);display:flex;align-items:center;justify-content:space-between}.dictionary-header h2{margin:0;font-size:18px;font-weight:600;color:var(--text-primary)}.dictionary-count{font-size:13px;color:var(--text-muted);background:var(--bg-tertiary);padding:4px 10px;border-radius:12px}.dictionary-tabs{display:flex;padding:0 16px;border-bottom:1px solid var(--border-color)}.dictionary-tabs .tab{flex:1;padding:12px;background:none;border:none;font-size:14px;font-weight:500;color:var(--text-muted);cursor:pointer;border-bottom:2px solid transparent;transition:all .2s}.dictionary-tabs .tab:hover{color:var(--accent-primary)}.dictionary-tabs .tab.active{color:var(--accent-primary);border-bottom-color:var(--accent-primary)}.dictionary-search-tab{padding:16px;flex:1;overflow-y:auto}.search-form{display:flex;flex-direction:column;gap:12px}.search-input-row{display:flex;gap:8px}.search-input-row input{flex:1;padding:12px 14px;border:1px solid var(--border-color);border-radius:8px;font-size:15px;outline:none;transition:border-color .2s;background:var(--bg-tertiary);color:var(--text-primary)}.search-input-row input:focus{border-color:var(--accent-primary)}.search-input-row .translate-btn{padding:12px 16px;background:var(--accent-primary);color:#fff;border:none;border-radius:8px;font-size:14px;font-weight:500;cursor:pointer;transition:background .2s;white-space:nowrap}.search-input-row .translate-btn:hover:not(:disabled){background:var(--accent-hover)}.search-input-row .translate-btn:disabled{opacity:.6;cursor:not-allowed}.language-row{display:flex;align-items:center;gap:8px}.language-row select{flex:1;padding:8px 12px;border:1px solid var(--border-color);border-radius:6px;font-size:14px;background:var(--bg-tertiary);color:var(--text-primary);cursor:pointer}.language-row .arrow{color:var(--text-muted);font-size:14px}.translation-result{background:var(--bg-tertiary);border-radius:10px;padding:14px;display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:4px}.result-text{display:flex;align-items:center;gap:8px;flex:1;min-width:0}.result-text .original{font-weight:600;color:var(--text-primary)}.result-text .arrow{color:var(--text-muted);flex-shrink:0}.result-text .translation{color:var(--accent-primary);font-weight:500}.translation-result .save-btn{padding:8px 16px;background:#10b981;color:#fff;border:none;border-radius:6px;font-size:13px;font-weight:500;cursor:pointer;transition:background .2s;flex-shrink:0}.translation-result .save-btn:hover:not(:disabled){background:#059669}.dictionary-list-tab{display:flex;flex-direction:column;flex:1;overflow:hidden}.filter-input{margin:12px 16px;padding:10px 14px;border:1px solid var(--border-color);border-radius:8px;font-size:14px;outline:none;background:var(--bg-tertiary);color:var(--text-primary)}.filter-input:focus{border-color:var(--accent-primary)}.word-list{flex:1;overflow-y:auto;padding:0 16px 16px}.word-item{display:flex;align-items:center;justify-content:space-between;padding:10px 12px;background:var(--bg-tertiary);border-radius:8px;margin-bottom:8px}.word-content{display:flex;align-items:center;gap:8px;flex:1;min-width:0}.word-content .original{font-weight:500;color:var(--text-primary)}.word-content .arrow{color:var(--text-muted);font-size:12px;flex-shrink:0}.word-content .translation{color:var(--text-secondary)}.word-item .delete-btn{width:24px;height:24px;border:none;background:none;color:var(--text-muted);font-size:18px;cursor:pointer;border-radius:4px;display:flex;align-items:center;justify-content:center;transition:all .2s;flex-shrink:0}.word-item .delete-btn:hover{background:#fee2e2;color:#ef4444}.loading,.empty{padding:32px 16px;text-align:center;color:var(--text-muted);font-size:14px}.empty p{margin:0 0 12px}.empty p:last-child{margin-bottom:0}.extension-hint{font-size:12px;color:var(--text-secondary);background:var(--bg-tertiary);padding:10px 12px;border-radius:8px;margin-top:8px}.dictionary-footer{padding:10px 16px;border-top:1px solid var(--border-color);background:var(--bg-tertiary)}.keyboard-hint{font-size:12px;color:var(--text-muted)}@media (max-width: 500px){.dictionary-overlay{right:12px;left:12px;width:auto;bottom:88px;max-height:60vh}.dictionary-fab{bottom:16px;right:16px;width:52px;height:52px}}:root{--bg-primary: #f8f9fa;--bg-secondary: #ffffff;--text-primary: #333333;--text-secondary: #666666;--border-color: #eeeeee;--accent-primary: #e56b90;--accent-hover: #d45a7f;--sidebar-bg: #ffffff;--card-border: transparent;--border-width: 1px;--radius: 12px;--shadow: 0 2px 8px rgba(0, 0, 0, .08)}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,sans-serif;background:var(--bg-primary);color:var(--text-primary);transition:background .3s,color .3s}.app{min-height:100vh}.app-layout{display:flex;min-height:100vh}.main-content{flex:1;margin-left:260px;min-height:100vh;background:var(--bg-primary);transition:background .3s}@media (max-width: 768px){.app-layout{flex-direction:column}.main-content{margin-left:0;margin-top:0}}.feature-teaser{display:flex;align-items:center;gap:10px;padding:12px 16px;background:linear-gradient(135deg,#f0f7ff,#e8f4f8);border:1px solid #d0e3ff;border-radius:10px;margin-bottom:20px}.teaser-icon{font-size:18px}.teaser-text{font-size:14px;color:#4a6fa5}:root{font-family:Inter,system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color:#000}