@import "https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap";:root{--bg:#f7f8fb;--surface:#fff;--surface-2:#f1f3f8;--border:#e6e9f0;--border-strong:#d5dae4;--text:#1a2236;--text-2:#4a5578;--text-3:#7a849b;--text-muted:#a0a8bd;--sidebar-bg:#1e2a4a;--sidebar-bg-2:#18213a;--sidebar-text:#b8c0d9;--sidebar-text-active:#fff;--sidebar-hover:#28345a;--accent:#14b8a6;--accent-soft:#ccfbf1;--accent-text:#0f766e;--accent-2:#3b82f6;--success:#10b981;--warning:#f59e0b;--danger:#ef4444;--info:#3b82f6;--shadow-sm:0 1px 2px #1a22360a;--shadow-md:0 2px 8px #1a22360f, 0 1px 2px #1a22360a;--shadow-lg:0 10px 30px #1a223614, 0 4px 8px #1a22360a;--radius-sm:6px;--radius:10px;--radius-lg:14px;--radius-xl:20px;--sidebar-w:280px;--sidebar-w-collapsed:64px;--topbar-h:64px;--ease:cubic-bezier(.4, .2, .2, 1);--t-fast:.12s ease;--t-base:.22s var(--ease)}body{color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased;text-rendering:optimizelegibility;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:14px;line-height:1.45}.layout{min-height:100vh;padding-left:var(--sidebar-w);transition:padding-left var(--t-base)}.container{flex:1;width:100%;max-width:1200px;margin:0 auto;padding:32px 40px}.sidebar{width:var(--sidebar-w);background:var(--sidebar-bg);height:100vh;color:var(--sidebar-text);z-index:15;transition:width var(--t-base);flex-direction:column;display:flex;position:fixed;top:0;left:0;overflow:hidden auto}.sidebar-header{border-bottom:1px solid #ffffff0f;align-items:center;gap:10px;padding:18px 22px 20px;display:flex}.sidebar-brand{cursor:pointer;flex:1;align-items:center;gap:10px;min-width:0;display:flex}.brand-mark{object-fit:cover;border-radius:8px;flex-shrink:0;width:30px;height:30px;box-shadow:0 4px 10px #14b8a64d}.brand-text{min-width:0}.brand-name{color:#fff;letter-spacing:-.01em;white-space:nowrap;text-overflow:ellipsis;font-size:15px;font-weight:600;line-height:1.2;overflow:hidden}.sidebar-actions{flex-shrink:0;align-items:center;gap:4px;display:flex}.sidebar-actions .btn-icon{width:30px;height:30px;color:var(--sidebar-text);cursor:pointer;transition:background var(--t-fast), color var(--t-fast);background:0 0;border:none;border-radius:8px;place-items:center;padding:0;font-size:14px;display:grid}.sidebar-actions .btn-icon:hover{background:var(--sidebar-hover);color:var(--sidebar-text-active)}.sidebar-search{padding:14px 16px 8px}.sidebar-search-input{border-radius:var(--radius-sm);color:#fff;width:100%;height:34px;transition:background var(--t-fast), border-color var(--t-fast);background:#ffffff0a 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='%23B8C0D9' 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") 12px no-repeat;border:1px solid #ffffff14;outline:none;padding:0 12px 0 34px;font-family:inherit;font-size:13px}.sidebar-search-input::placeholder{color:#b8c0d98c}.sidebar-search-input:focus{border-color:var(--accent);background-color:#ffffff12}.sidebar-library-btn{border-radius:var(--radius-sm);color:var(--sidebar-text);cursor:pointer;transition:background var(--t-fast), color var(--t-fast);background:0 0;border:none;align-items:center;gap:10px;margin:4px 12px 8px;padding:9px 12px;font-family:inherit;font-size:13px;font-weight:500;display:flex}.sidebar-library-btn svg{flex-shrink:0;width:16px;height:16px}.sidebar-library-btn:hover{background:var(--sidebar-hover);color:var(--sidebar-text-active)}.sessions-list{flex:1;padding:8px 8px 16px;overflow-y:auto}.session-item{border-radius:var(--radius-sm);cursor:pointer;transition:background var(--t-fast);align-items:flex-start;gap:10px;margin-bottom:2px;padding:8px 10px;display:flex;position:relative}.session-item:hover,.session-active{background:var(--sidebar-hover)}.session-active:before{content:"";background:var(--accent);border-radius:0 3px 3px 0;width:3px;position:absolute;top:8px;bottom:8px;left:-8px}.video-thumb{object-fit:cover;background:#ffffff0d;border-radius:4px;flex-shrink:0;width:56px;min-width:56px;height:32px}.video-info{flex:1;min-width:0;padding-right:14px}.video-title{color:var(--sidebar-text-active);-webkit-line-clamp:2;-webkit-box-orient:vertical;font-size:12.5px;font-weight:500;line-height:1.35;display:-webkit-box;overflow:hidden}.video-meta{color:#b8c0d9a6;white-space:nowrap;text-overflow:ellipsis;margin-top:3px;font-size:11px;overflow:hidden}.video-date{color:#b8c0d980;font-variant-numeric:tabular-nums;align-items:center;gap:6px;margin-top:3px;font-size:10.5px;display:flex}.status-badge{color:var(--accent);background:#14b8a61f;border-radius:999px;padding:1px 6px;font-size:10px;font-weight:500}.status-badge.status-error{color:#fca5a5;background:#ef444426}.session-delete{color:#b8c0d98c;cursor:pointer;opacity:0;transition:opacity var(--t-fast), color var(--t-fast), background var(--t-fast);background:0 0;border:none;border-radius:4px;padding:2px 6px;font-size:16px;line-height:1;position:absolute;top:4px;right:4px}.session-item:hover .session-delete{opacity:1}.session-delete:hover{color:#fca5a5;background:#ef444426}.sidebar-no-results{text-align:center;color:#b8c0d98c;padding:24px 16px;font-size:12.5px}.ws-indicator{border-radius:50%;flex-shrink:0;width:8px;height:8px;transition:background-color .3s;box-shadow:0 0 0 2px #ffffff0a}.ws-connected{background-color:var(--success)}.ws-reconnecting{background-color:var(--warning);animation:1.5s infinite pulse}.ws-disconnected{background-color:var(--danger)}@keyframes pulse{0%,to{opacity:1}50%{opacity:.4}}.hamburger{z-index:1001;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);cursor:pointer;width:36px;height:36px;box-shadow:var(--shadow-sm);flex-direction:column;justify-content:center;align-items:center;gap:4px;display:none;position:fixed;top:14px;left:14px}.hamburger span{background:var(--text);border-radius:1px;width:16px;height:2px;display:block}.sidebar-overlay{display:none}.topbar{height:var(--topbar-h);background:var(--surface);border-bottom:1px solid var(--border);z-index:10;align-items:center;gap:16px;padding:0 32px;display:flex;position:sticky;top:0}.topbar-title{color:var(--text);letter-spacing:-.01em;white-space:nowrap;text-overflow:ellipsis;flex:1;min-width:0;font-size:16px;font-weight:600;overflow:hidden}.topbar-spacer{flex:1}.topbar-chip{background:var(--accent-soft);color:var(--accent-text);border-radius:999px;padding:5px 11px;font-size:12px;font-weight:500}.auth-screen{background:var(--bg);flex-direction:column;justify-content:center;align-items:center;gap:14px;min-height:100vh;padding:24px;display:flex}.auth-screen h1{letter-spacing:-.02em;color:var(--text);font-size:28px;font-weight:700}.auth-subtitle{color:var(--text-2);text-align:center;max-width:400px;font-size:15px}.input-area{text-align:center;flex-direction:column;justify-content:center;align-items:center;gap:22px;min-height:60vh;display:flex}.input-title{letter-spacing:-.02em;color:var(--text);font-size:26px;font-weight:700}.url-input-row{gap:10px;width:100%;max-width:640px;display:flex}.url-input{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);height:48px;color:var(--text);box-shadow:var(--shadow-sm);transition:border-color var(--t-fast), box-shadow var(--t-fast);outline:none;flex:1;padding:0 16px;font-family:inherit;font-size:14.5px}.url-input::placeholder{color:var(--text-muted)}.url-input:hover{border-color:var(--border-strong)}.url-input:focus{border-color:var(--accent);box-shadow:0 0 0 3px color-mix(in srgb, var(--accent) 22%, transparent)}.btn{border-radius:var(--radius);border:1px solid var(--border);background:var(--surface);color:var(--text);cursor:pointer;white-space:nowrap;transition:background var(--t-fast), border-color var(--t-fast), color var(--t-fast), transform var(--t-fast);justify-content:center;align-items:center;gap:8px;padding:9px 16px;font-family:inherit;font-size:13.5px;font-weight:500;display:inline-flex}.btn:hover:not(:disabled){background:var(--surface-2);border-color:var(--border-strong)}.btn:active:not(:disabled){transform:translateY(1px)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--accent);color:#fff;border-color:#0000;box-shadow:0 1px 2px #14b8a640}.btn-primary:hover:not(:disabled){filter:brightness(1.05);background:var(--accent);border-color:#0000}.btn-primary:disabled{background:var(--text-muted);box-shadow:none}.btn-secondary{background:var(--surface);color:var(--text);border-color:var(--border)}.btn-secondary:hover:not(:disabled){background:var(--surface-2);border-color:var(--border-strong)}.btn-danger{background:var(--danger);color:#fff;border-color:#0000}.btn-danger:hover:not(:disabled){background:#dc2626}.btn-small{border-radius:var(--radius-sm);padding:6px 12px;font-size:12.5px}.btn-submit{height:48px;padding:0 22px;font-size:14px;font-weight:500}.btn-new{margin-top:4px}.error-message{border-radius:var(--radius);color:#b91c1c;text-align:left;background:#fee2e2;border:1px solid #fca5a5;margin-top:4px;padding:10px 14px;font-size:13px}.error-block{flex-direction:column;align-items:flex-start;gap:14px;padding:24px 26px;display:flex}.error-block-text{color:#b91c1c;border-radius:var(--radius);white-space:pre-wrap;word-break:break-word;background:#fee2e2;border:1px solid #fca5a5;width:100%;padding:12px 14px;font-size:13.5px;line-height:1.5}.processing-area{flex-direction:column;justify-content:center;align-items:center;gap:16px;min-height:50vh;display:flex}.processing-text{color:var(--text-2);font-size:15px}.spinner{border:3px solid var(--surface-2);border-top-color:var(--accent);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:var(--surface);border-radius:var(--radius-lg);border:1px solid var(--border);box-shadow:var(--shadow-sm);overflow:hidden}.result-header{border-bottom:1px solid var(--border);padding:22px 26px 18px}.result-title{letter-spacing:-.01em;color:var(--text);cursor:text;transition:color var(--t-fast);align-items:center;gap:8px;font-size:20px;font-weight:600;line-height:1.3;display:inline-flex}.result-title:hover{color:var(--accent-text)}.title-edit-icon{color:var(--text-muted);opacity:0;transition:opacity var(--t-fast);place-items:center;display:inline-grid}.result-title:hover .title-edit-icon{opacity:1}.title-input{letter-spacing:-.01em;width:100%;color:var(--text);border:1px solid var(--accent);border-radius:var(--radius-sm);background:var(--surface);box-shadow:0 0 0 3px color-mix(in srgb, var(--accent) 22%, transparent);outline:none;margin:-5px -12px;padding:5px 12px;font-family:inherit;font-size:20px;font-weight:600;line-height:1.3}.result-author{color:var(--text-2);margin-top:4px;font-size:14px}.result-meta{flex-wrap:wrap;align-items:center;gap:12px;margin-top:10px;display:flex}.result-duration{color:var(--text-3);background:var(--surface-2);font-variant-numeric:tabular-nums;border-radius:999px;padding:3px 10px;font-size:12px}.result-youtube-link{color:var(--accent-text);background:var(--accent-soft);transition:filter var(--t-fast);border-radius:999px;padding:3px 10px;font-size:12.5px;font-weight:500;text-decoration:none}.result-youtube-link:hover{filter:brightness(.96);text-decoration:none}.result-tabs{border-bottom:1px solid var(--border);align-items:center;gap:4px;padding:0 26px;display:flex}.result-tab{color:var(--text-2);cursor:pointer;transition:color var(--t-fast), border-color var(--t-fast);background:0 0;border:none;border-bottom:2px solid #0000;margin-bottom:-1px;padding:11px 14px;font-family:inherit;font-size:13.5px;font-weight:500}.result-tab:hover:not(:disabled){color:var(--text)}.result-tab:disabled{opacity:.4;cursor:not-allowed}.result-tab-active{color:var(--accent-text);border-bottom-color:var(--accent)}.tabs-right{align-items:center;gap:6px;margin-left:auto;display:flex}.font-size-controls{gap:2px;display:flex}.btn-font,.btn-copy{background:var(--surface);border:1px solid var(--border);color:var(--text-2);cursor:pointer;border-radius:var(--radius-sm);transition:background var(--t-fast), border-color var(--t-fast), color var(--t-fast);padding:5px 10px;font-family:inherit;font-size:12.5px;font-weight:500;line-height:1}.btn-font:hover,.btn-copy:hover{background:var(--surface-2);border-color:var(--border-strong);color:var(--text)}.result-content{padding:26px}.result-placeholder{text-align:center;color:var(--text-3);padding:56px 0;font-size:14px}.format-choice{flex-direction:column;align-items:center;gap:18px;display:flex}.format-choice-question{color:var(--text-2);font-size:14px}.format-choice-buttons{flex-wrap:wrap;justify-content:center;gap:12px;display:flex}.format-option{flex-direction:column;align-items:center;gap:4px;min-width:180px;padding:16px 24px}.format-option strong{letter-spacing:-.005em;font-size:14.5px;font-weight:600}.format-option .format-hint{color:var(--text-3);letter-spacing:0;font-size:11.5px;font-weight:400}.format-option.btn-primary .format-hint{color:#ffffffd1}.char-count{color:var(--text-3);text-transform:uppercase;letter-spacing:.08em;font-variant-numeric:tabular-nums;align-items:center;margin-bottom:16px;font-size:11px;display:inline-flex}.streaming-badge{color:var(--accent-text);background:var(--accent-soft);text-transform:none;letter-spacing:0;border-radius:999px;margin-left:8px;padding:2px 8px;font-weight:500}.markdown-body{color:var(--text);font-size:15px;line-height:1.7}.markdown-body h1{letter-spacing:-.01em;margin:28px 0 12px;font-size:1.55em;font-weight:700}.markdown-body h2{letter-spacing:-.005em;margin:22px 0 10px;font-size:1.3em;font-weight:600}.markdown-body h3{margin:18px 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{border-left:3px solid var(--accent);background:var(--surface-2);border-radius:0 var(--radius-sm) var(--radius-sm) 0;color:var(--text-2);margin:14px 0;padding:8px 16px}.markdown-body code{background:var(--surface-2);color:var(--text);border-radius:4px;padding:1px 6px;font-family:SFMono-Regular,Consolas,Liberation Mono,Menlo,monospace;font-size:.875em}.markdown-body pre{color:#e6e9f0;border-radius:var(--radius);background:#18213a;margin:14px 0;padding:16px;font-size:13px;line-height:1.55;overflow-x:auto}.markdown-body pre code{color:inherit;font-size:inherit;background:0 0;padding:0}.markdown-body table{border-collapse:collapse;width:100%;margin:14px 0;font-size:14px}.markdown-body th,.markdown-body td{border:1px solid var(--border);text-align:left;padding:8px 12px}.markdown-body th{background:var(--surface-2);font-weight:600}.markdown-body a{color:var(--accent-text);text-decoration:none}.markdown-body a:hover{text-decoration:underline}.markdown-body hr{border:none;border-top:1px solid var(--border);margin:22px 0}.admin-page h2{letter-spacing:-.01em;color:var(--text);margin-bottom:18px;font-size:22px;font-weight:600}.admin-users{flex-direction:column;gap:8px;display:flex}.admin-user{background:var(--surface);border-radius:var(--radius-lg);border:1px solid var(--border);box-shadow:var(--shadow-sm);transition:border-color var(--t-fast), box-shadow var(--t-fast);justify-content:space-between;align-items:center;padding:14px 18px;display:flex}.admin-user:hover{border-color:var(--border-strong);box-shadow:var(--shadow-md)}.admin-user-name{color:var(--text);font-size:14px;font-weight:600}.admin-user-email{color:var(--text-2);margin-top:2px;font-size:12.5px}.admin-settings-hint{color:var(--text-2);margin:-8px 0 24px;font-size:13px}.admin-settings{flex-direction:column;gap:18px;max-width:640px;display:flex}.admin-setting-group{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);padding:20px 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