body{color:#1d1d1f;-webkit-font-smoothing:antialiased;background:#f5f5f7;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif}.auth-screen{flex-direction:column;justify-content:center;align-items:center;gap:12px;min-height:100vh;display:flex}.auth-screen h1{font-size:28px;font-weight:700}.auth-subtitle{color:#86868b;font-size:16px}.layout{min-height:100vh;display:flex}.sidebar{background:#fff;border-right:1px solid #e5e5ea;flex-direction:column;width:300px;min-width:300px;height:100vh;display:flex;position:sticky;top:0}.sidebar-header{border-bottom:1px solid #e5e5ea;justify-content:space-between;align-items:center;padding:16px 16px 12px;display:flex}.sidebar-header h2{cursor:pointer;color:#1d1d1f;font-size:18px;font-weight:700}.sidebar-actions{gap:4px;display:flex}.btn-icon{cursor:pointer;background:0 0;border:none;border-radius:6px;padding:4px 8px;font-size:18px;transition:background .15s}.btn-icon:hover{background:#f5f5f7}.sessions-list{flex:1;padding:8px;overflow-y:auto}.session-item{cursor:pointer;border-radius:10px;align-items:flex-start;gap:10px;padding:10px;transition:background .15s;display:flex;position:relative}.session-item:hover{background:#f5f5f7}.session-active{background:#e8f0fe}.session-active:hover{background:#dce8fc}.video-thumb{object-fit:cover;background:#e5e5ea;border-radius:4px;width:64px;min-width:64px;height:36px}.video-info{flex:1;min-width:0;padding-right:16px}.video-title{-webkit-line-clamp:2;-webkit-box-orient:vertical;font-size:13px;font-weight:600;line-height:1.3;display:-webkit-box;overflow:hidden}.video-meta{color:#86868b;white-space:nowrap;text-overflow:ellipsis;margin-top:2px;font-size:11px;overflow:hidden}.video-date{color:#aeaeb2;align-items:center;gap:6px;margin-top:2px;font-size:11px;display:flex}.status-badge{color:#007aff;font-size:10px;font-weight:500}.status-error{color:#ff3b30}.session-delete{color:#aeaeb2;cursor:pointer;opacity:0;background:0 0;border:none;border-radius:4px;padding:2px 6px;font-size:18px;line-height:1;transition:opacity .15s;position:absolute;top:6px;right:6px}.session-item:hover .session-delete{opacity:1}.session-delete:hover{color:#ff3b30;background:#ff3b301a}.hamburger{z-index:1001;cursor:pointer;background:#fff;border:1px solid #e5e5ea;border-radius:8px;flex-direction:column;gap:4px;padding:8px;display:none;position:fixed;top:12px;left:12px}.hamburger span{background:#1d1d1f;border-radius:1px;width:18px;height:2px;display:block}.sidebar-overlay{display:none}.container{flex:1;width:100%;max-width:1100px;margin:0 auto;padding:32px 24px}.input-area{flex-direction:column;justify-content:center;align-items:center;gap:20px;min-height:50vh;display:flex}.input-title{color:#1d1d1f;font-size:24px;font-weight:700}.url-input-row{gap:10px;width:100%;max-width:600px;display:flex}.url-input{background:#fff;border:1px solid #d1d1d6;border-radius:12px;outline:none;flex:1;height:56px;padding:0 16px;font-size:15px;transition:border-color .15s}.url-input:focus{border-color:#007aff}.url-input::placeholder{color:#aeaeb2}.btn{cursor:pointer;white-space:nowrap;border:none;border-radius:10px;justify-content:center;align-items:center;padding:10px 20px;font-size:15px;font-weight:600;transition:all .15s;display:inline-flex}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{color:#fff;background:#007aff}.btn-primary:hover:not(:disabled){background:#0066d6}.btn-secondary{color:#1d1d1f;background:#e5e5ea}.btn-secondary:hover:not(:disabled){background:#d1d1d6}.btn-danger{color:#fff;background:#ff3b30}.btn-danger:hover:not(:disabled){background:#e0342b}.btn-small{border-radius:8px;padding:6px 14px;font-size:13px}.btn-submit{border-radius:12px;height:56px}.btn-new{margin-top:8px}.tabs-right{align-items:center;gap:4px;margin-left:auto;display:flex}.font-size-controls{gap:2px;display:flex}.btn-font{color:#1d1d1f;cursor:pointer;background:0 0;border:1px solid #d1d1d6;border-radius:6px;padding:3px 8px;font-size:12px;font-weight:600;line-height:1;transition:all .15s}.btn-font:hover{background:#f0f0f2}.btn-font:active{background:#e5e5ea}.btn-copy{color:#1d1d1f;cursor:pointer;background:0 0;border:1px solid #d1d1d6;border-radius:6px;padding:3px 8px;font-size:15px;line-height:1;transition:all .15s}.btn-copy:hover{background:#f0f0f2}.error-message{color:#ff3b30;text-align:center;margin-top:8px;font-size:14px}.processing-area{flex-direction:column;justify-content:center;align-items:center;gap:16px;min-height:50vh;display:flex}.processing-text{color:#86868b;font-size:16px}.processing-inline{color:#86868b;align-items:center;gap:10px;padding:12px 0;font-size:14px;display:flex}.spinner{border:3px solid #e5e5ea;border-top-color:#007aff;border-radius:50%;width:28px;height:28px;animation:.8s linear infinite spin}.spinner-small{border-width:2px;width:18px;height:18px}@keyframes spin{to{transform:rotate(360deg)}}.result{background:#fff;border:1px solid #e5e5ea;border-radius:16px;overflow:hidden}.result-header{border-bottom:1px solid #f0f0f2;padding:20px 24px 16px}.result-title{font-size:20px;font-weight:700;line-height:1.3}.result-author{color:#86868b;margin-top:4px;font-size:14px}.result-meta{align-items:center;gap:12px;margin-top:2px;display:flex}.result-duration{color:#aeaeb2;font-size:13px}.result-youtube-link{color:#f44;font-size:13px;text-decoration:none;transition:opacity .15s}.result-youtube-link:hover{opacity:.7}.result-tabs{border-bottom:1px solid #e5e5ea;align-items:center;gap:0;padding:0 24px;display:flex}.result-tab{color:#86868b;cursor:pointer;background:0 0;border:none;border-bottom:2px solid #0000;padding:12px 16px;font-size:14px;font-weight:500;transition:all .15s}.result-tab:hover:not(:disabled){color:#1d1d1f}.result-tab:disabled{opacity:.4;cursor:not-allowed}.result-tab-active{color:#007aff;border-bottom-color:#007aff}.result-content{padding:24px}.result-placeholder{text-align:center;color:#aeaeb2;padding:48px 0;font-size:15px}.char-count{color:#aeaeb2;margin-bottom:12px;font-size:12px}.streaming-badge{color:#007aff;font-weight:500}.markdown-body{color:#1d1d1f;font-size:15px;line-height:1.7}.markdown-body h1{margin:24px 0 12px;font-size:1.5em;font-weight:700}.markdown-body h2{margin:20px 0 10px;font-size:1.3em;font-weight:700}.markdown-body h3{margin:16px 0 8px;font-size:1.1em;font-weight:600}.markdown-body p{margin:12px 0}.markdown-body ul,.markdown-body ol{margin:12px 0;padding-left:24px}.markdown-body li{margin:4px 0}.markdown-body blockquote{color:#424245;background:#f5f5f7;border-left:3px solid #007aff;border-radius:0 8px 8px 0;margin:12px 0;padding:8px 16px}.markdown-body code{background:#f0f0f2;border-radius:4px;padding:2px 6px;font-size:13px}.markdown-body pre{color:#f5f5f7;background:#1d1d1f;border-radius:8px;margin:12px 0;padding:16px;overflow-x:auto}.markdown-body pre code{color:inherit;background:0 0;padding:0}.markdown-body table{border-collapse:collapse;width:100%;margin:12px 0}.markdown-body th,.markdown-body td{text-align:left;border:1px solid #e5e5ea;padding:8px 12px;font-size:14px}.markdown-body th{background:#f5f5f7;font-weight:600}.markdown-body a{color:#007aff;text-decoration:none}.markdown-body a:hover{text-decoration:underline}.markdown-body hr{border:none;border-top:1px solid #e5e5ea;margin:20px 0}.admin-page h2{margin-bottom:16px;font-size:22px;font-weight:700}.admin-users{flex-direction:column;gap:8px;display:flex}.admin-user{background:#fff;border:1px solid #e5e5ea;border-radius:12px;justify-content:space-between;align-items:center;padding:12px 16px;display:flex}.admin-user-name{font-size:15px;font-weight:600}.admin-user-email{color:#86868b;font-size:13px}.scroll-top-btn{color:#fff;cursor:pointer;z-index:100;background:#007aff;border:none;border-radius:50%;justify-content:center;align-items:center;width:44px;height:44px;font-size:20px;font-weight:700;transition:opacity .2s,transform .2s;display:flex;position:fixed;bottom:24px;right:24px;box-shadow:0 4px 12px #00000026}.scroll-top-btn:hover{background:#0066d6;transform:scale(1.05)}.scroll-top-btn:active{transform:scale(.95)}.library-page{animation:.25s fadeIn}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.library-header{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;margin-bottom:24px;display:flex}.library-title{font-size:26px;font-weight:700}.library-stats{color:#86868b;margin-left:12px;font-size:13px;font-weight:400}.library-search{flex:0 320px;position:relative}.library-search-input{background:#fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23aeaeb2' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='11' cy='11' r='8'/%3E%3Cline x1='21' y1='21' x2='16.65' y2='16.65'/%3E%3C/svg%3E") 14px no-repeat;border:1px solid #d1d1d6;border-radius:10px;outline:none;width:100%;height:42px;padding:0 16px 0 40px;font-size:14px;transition:all .15s}.library-search-input:focus{border-color:#007aff;box-shadow:0 0 0 3px #007aff1a}.library-search-input::placeholder{color:#aeaeb2}.date-group{margin-bottom:32px}.date-group-title{color:#86868b;text-transform:uppercase;letter-spacing:.03em;margin-bottom:14px;padding-left:4px;font-size:15px;font-weight:600}.cards-grid{grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px;display:grid}.video-card{cursor:pointer;background:#fff;border:1px solid #e5e5ea;border-radius:14px;transition:all .2s;position:relative;overflow:hidden}.video-card:hover{border-color:#d1d1d6;transform:translateY(-2px);box-shadow:0 4px 16px #0000000f}.video-card:active{transform:translateY(0)}.card-thumb-wrap{aspect-ratio:16/9;background:#e5e5ea;width:100%;position:relative;overflow:hidden}.card-thumb{object-fit:cover;width:100%;height:100%;transition:transform .3s}.video-card:hover .card-thumb{transform:scale(1.03)}.card-duration{color:#fff;letter-spacing:.02em;background:#000000bf;border-radius:4px;padding:2px 6px;font-size:11px;font-weight:600;position:absolute;bottom:8px;right:8px}.card-body{padding:12px 14px 14px}.card-title{-webkit-line-clamp:2;-webkit-box-orient:vertical;margin-bottom:6px;font-size:14px;font-weight:600;line-height:1.35;display:-webkit-box;overflow:hidden}.card-author{color:#86868b;white-space:nowrap;text-overflow:ellipsis;font-size:12px;overflow:hidden}.card-date{color:#aeaeb2;margin-top:4px;font-size:11px}.card-delete{color:#fff;cursor:pointer;opacity:0;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#0000008c;border:none;border-radius:50%;justify-content:center;align-items:center;width:28px;height:28px;font-size:16px;transition:all .15s;display:flex;position:absolute;top:8px;right:8px}.video-card:hover .card-delete{opacity:1}.card-delete:hover{background:#ff3b30d9}.library-empty{text-align:center;color:#aeaeb2;padding:80px 24px}.library-empty-icon{opacity:.4;margin-bottom:16px;font-size:48px}.library-empty-text{font-size:15px}@media (width<=768px){.hamburger{display:flex}.sidebar{z-index:1000;box-shadow:none;transition:left .2s;position:fixed;top:0;left:-300px}.sidebar-open{left:0;box-shadow:4px 0 24px #0000001a}.sidebar-overlay{z-index:999;background:#0000004d;display:block;position:fixed;inset:0}.container{padding:56px 16px 24px}.input-title{text-align:center;font-size:20px}.url-input-row{flex-direction:column}.btn-submit{width:100%}.result-header{padding:16px}.result-title{font-size:18px}.result-tabs{padding:0 16px}.result-content{padding:16px}.session-delete{opacity:1}.library-header{flex-direction:column;align-items:stretch}.library-search{flex:1}.cards-grid{grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:12px}}.ws-indicator{border-radius:50%;flex-shrink:0;width:8px;height:8px;margin-left:8px;transition:background-color .3s}.ws-connected{background-color:#22c55e}.ws-reconnecting{background-color:#eab308;animation:1.5s infinite pulse}.ws-disconnected{background-color:#ef4444}.sidebar-search{border-bottom:1px solid #f0f0f2;padding:8px 12px}.sidebar-search-input{background:#f5f5f7 url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%23aeaeb2' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='11' cy='11' r='8'/%3E%3Cline x1='21' y1='21' x2='16.65' y2='16.65'/%3E%3C/svg%3E") 10px no-repeat;border:1px solid #e5e5ea;border-radius:8px;outline:none;width:100%;height:34px;padding:0 10px 0 32px;font-size:13px;transition:all .15s}.sidebar-search-input:focus{background-color:#fff;border-color:#007aff}.sidebar-search-input::placeholder{color:#aeaeb2}.sidebar-library-btn{cursor:pointer;color:#86868b;background:0 0;border:1px dashed #d1d1d6;border-radius:8px;justify-content:center;align-items:center;gap:6px;margin:8px 12px;padding:8px;font-size:13px;font-weight:500;transition:all .15s;display:flex}.sidebar-library-btn:hover{color:#1d1d1f;background:#f5f5f7;border-color:#aeaeb2}.sidebar-no-results{text-align:center;color:#aeaeb2;padding:24px 16px;font-size:13px}@keyframes pulse{0%,to{opacity:1}50%{opacity:.4}}*{box-sizing:border-box;margin:0;padding:0}html,body{height:100%}body{-webkit-font-smoothing:antialiased;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}