:root{--bg-page: #ffffff;--bg-card: #ffffff;--bg-subtle: #f9fafb;--bg-hover: #f3f4f6;--border: #e5e7eb;--border-input: #d1d5db;--text-primary: #111827;--text-secondary: #374151;--text-muted: #6b7280;--text-faint: #9ca3af;--nav-active-bg: #111827;--nav-active-text: #ffffff;--accent-green: #16a34a;--accent-green-bg: #f0fdf4;--accent-green-text: #166534;--accent-green-border: #86efac;--accent-red: #dc2626;--accent-red-bg: #fef2f2;--accent-red-text: #991b1b;--accent-red-border: #fca5a5;--accent-amber: #f59e0b;--accent-indigo: #6366f1;--link-color: #059669}[data-theme=dark]{--bg-page: #0f172a;--bg-card: #1e293b;--bg-subtle: #162032;--bg-hover: #263248;--border: #334155;--border-input: #475569;--text-primary: #f1f5f9;--text-secondary: #cbd5e1;--text-muted: #94a3b8;--text-faint: #64748b;--nav-active-bg: #f1f5f9;--nav-active-text: #0f172a;--accent-green: #22c55e;--accent-green-bg: #052e16;--accent-green-text: #86efac;--accent-green-border: #166534;--accent-red: #ef4444;--accent-red-bg: #450a0a;--accent-red-text: #fca5a5;--accent-red-border: #7f1d1d;--accent-amber: #fbbf24;--accent-indigo: #818cf8;--link-color: #34d399}body{margin:0;background:var(--bg-page);transition:background-color .15s ease}*,*:before,*:after{transition:background-color .15s ease,border-color .15s ease,color .15s ease,box-shadow .15s ease}.theme-toggle{display:flex;align-items:center;gap:6px;padding:5px 11px;border-radius:20px;border:1px solid var(--border);background:var(--bg-card);color:var(--text-muted);font-size:12px;font-weight:500;cursor:pointer;letter-spacing:.02em;line-height:1;white-space:nowrap;margin-left:auto}.theme-toggle:hover{border-color:var(--border-input);color:var(--text-secondary)}.theme-toggle svg{width:13px;height:13px;flex-shrink:0}@keyframes pulse{0%,to{opacity:1}50%{opacity:.3}}