:root{--primary:#2563eb;--accent:#0f172a;--bg:#f5f7fb;--card:#ffffff;--text:#0f172a;--muted:#64748b;--border:#e2e8f0;--danger:#dc2626;--success:#16a34a;--warn:#d97706;--input-bg:#ffffff;--hover:#f8fafc;--chip:#e2e8f0;--chip-text:#334155;--green-bg:#dcfce7;--green-text:#166534;--red-bg:#fee2e2;--red-text:#991b1b;--blue-bg:#dbeafe;--blue-text:#1e40af;--yellow-bg:#fef3c7;--yellow-text:#92400e;--radius:10px;color-scheme:light}html[data-theme=dark]{--bg:#0b1220;--card:#111a2c;--text:#e5e9f2;--muted:#8b97ad;--border:#233047;--input-bg:#0f172a;--hover:#172136;--chip:#233047;--chip-text:#cbd5e1;--green-bg:#0f2e1f;--green-text:#4ade80;--red-bg:#3b1114;--red-text:#f87171;--blue-bg:#14264a;--blue-text:#93c5fd;--yellow-bg:#3a2a08;--yellow-text:#fbbf24;color-scheme:dark}html[data-theme=dark] .sidebar{border-right:1px solid var(--border)}html[data-theme=dark] .btn:hover,html[data-theme=dark] button:hover{filter:brightness(1.1)}*{box-sizing:border-box}body,html{margin:0;padding:0;background:var(--bg);color:var(--text);transition:background-color .15s,color .15s;font:14px/1.5 -apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Inter,sans-serif}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}h1{font-size:22px;margin:0 0 16px}h2{font-size:16px;margin:0 0 12px}h3{font-size:14px;margin:0 0 8px;color:var(--muted);text-transform:uppercase;letter-spacing:.04em}p{margin:0 0 10px}.mono,code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12.5px}.muted{color:var(--muted)}.small{font-size:12px}.right{text-align:right}.row{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.between{justify-content:space-between}.grid{display:grid;grid-gap:16px;gap:16px}.grid.cols-2{grid-template-columns:repeat(auto-fit,minmax(min(100%,420px),1fr))}.grid.cols-3{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}.grid.cols-4{grid-template-columns:repeat(auto-fit,minmax(180px,1fr))}.shell{display:grid;grid-template-columns:240px 1fr;min-height:100vh}.sidebar{background:var(--accent);color:#e2e8f0;padding:20px 14px;display:flex;flex-direction:column;gap:4px;position:-webkit-sticky;position:sticky;top:0;height:100vh;overflow:auto}.brand{display:flex;align-items:center;gap:10px;padding:6px 10px 18px;color:#fff;font-weight:700;font-size:16px}.brand img{height:28px;max-width:120px;object-fit:contain;border-radius:4px}.brand 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var(--primary);background:var(--primary);color:#fff;font:inherit;font-weight:600;cursor:pointer}.btn:hover,button:hover{filter:brightness(.95);text-decoration:none}button:disabled{opacity:.55;cursor:not-allowed}.btn.secondary,button.secondary{background:var(--card);color:var(--text);border-color:var(--border)}button.danger{background:var(--danger);border-color:var(--danger)}button.ghost{background:transparent;border-color:transparent;color:var(--primary);padding:4px 8px}.btn.sm,button.sm{padding:4px 10px;font-size:12.5px}table{width:100%;border-collapse:collapse}td,th{text-align:left;padding:9px 10px;border-bottom:1px solid var(--border);vertical-align:top}th{font-size:12px;color:var(--muted);font-weight:600;text-transform:uppercase;letter-spacing:.04em}tr:hover td{background:var(--hover)}.table-wrap{overflow:auto}.badge{display:inline-block;padding:2px 8px;border-radius:999px;font-size:11.5px;font-weight:600;background:var(--chip);color:var(--chip-text)}.badge.green{background:var(--green-bg);color:var(--green-text)}.badge.red{background:var(--red-bg);color:var(--red-text)}.badge.blue{background:var(--blue-bg);color:var(--blue-text)}.badge.yellow{background:var(--yellow-bg);color:var(--yellow-text)}.alert{padding:10px 12px;border-radius:8px;margin-bottom:12px;font-size:13px}.alert.error{background:var(--red-bg);color:var(--red-text)}.alert.ok{background:var(--green-bg);color:var(--green-text)}.alert.info{background:var(--blue-bg);color:var(--blue-text)}.login{min-height:100vh;display:grid;place-items:center;padding:20px}.login .card{width:100%;max-width:380px}.progress{height:8px;background:var(--chip);border-radius:999px;overflow:hidden}.progress>div{height:100%;background:var(--primary)}.kbd-preview{background:#0f172a;color:#fff;padding:14px;border-radius:12px;max-width:360px}.kbd-preview .r{display:flex;gap:6px;margin-bottom:6px}.kbd-preview .b{flex:1 1;text-align:center;background:#334155;padding:8px 6px;border-radius:6px;font-size:13px}.kbd-preview .b.off{opacity:.35;text-decoration:line-through}.tabs{display:flex;gap:4px;border-bottom:1px solid var(--border);margin-bottom:16px;flex-wrap:wrap}.tabs button{background:transparent;border:none;border-bottom:2px solid transparent;color:var(--muted);border-radius:0;padding:8px 12px}.tabs button.active{color:var(--primary);border-bottom-color:var(--primary)}pre{background:#0f172a;color:#e2e8f0;border:1px solid var(--border);padding:12px;border-radius:8px;overflow:auto;font-size:12px}.theme-toggle{display:inline-flex;border:1px solid rgba(255,255,255,.15);border-radius:8px;overflow:hidden;margin-top:8px;width:100%}.theme-toggle button{flex:1 1;justify-content:center;background:transparent;border:none;border-radius:0;color:#94a3b8;padding:5px 0;font-size:12px;font-weight:500}.theme-toggle 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