:root{--bg: #f6f8fc;--card: #ffffff;--ink: #0f172a;--muted: #475569;--soft: #64748b;--border: #e4e8f0;--primary: #2563eb;--primary-dark: #1d4ed8;--present: #10b981;--err: #dc2626;--grad: linear-gradient(135deg, #2563eb, #7c3aed);--font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif}@media(prefers-color-scheme:dark){:root{--bg: #0b1120;--card: #101a30;--ink: #eef2f9;--muted: #a7b3c8;--soft: #8291ad;--border: #1e293f;--primary: #6ea0ff;--primary-dark: #8ab4ff}}*{box-sizing:border-box}body{margin:0;font-family:var(--font);background:var(--bg);color:var(--ink);-webkit-font-smoothing:antialiased}h2{font-size:1.15rem;font-weight:700;letter-spacing:-.01em;margin:0}a{color:var(--primary)}code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace}.mark{width:30px;height:30px;border-radius:8px}.topbar{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 24px;background:var(--card);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:10}.brand{display:flex;align-items:center;gap:11px;font-weight:800;font-size:18px;letter-spacing:-.02em}.brand .tag{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:var(--primary);background:color-mix(in srgb,var(--primary) 12%,transparent);padding:3px 8px;border-radius:6px}.topbar-right{display:flex;align-items:center;gap:14px}.wrap{max-width:720px;margin:0 auto;padding:32px 24px 80px}.signin{display:flex;justify-content:center;padding-top:24px}.grid{display:grid;gap:20px}.empty{text-align:center;padding:60px 20px;display:grid;gap:20px;justify-items:center}.card{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:24px;box-shadow:0 4px 20px -12px #0f172a24}.card-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}.card h2{margin-bottom:6px}.muted{color:var(--muted);font-size:14.5px;line-height:1.55;margin:6px 0}.small{font-size:12.5px;color:var(--soft)}.err{color:var(--err);font-size:14px;margin:8px 0}.pill{font-size:12px;font-weight:700;padding:3px 10px;border-radius:999px}.pill-ok{color:var(--present);background:color-mix(in srgb,var(--present) 14%,transparent)}.form{display:grid;gap:14px;margin-top:16px}.row{display:grid;grid-template-columns:1fr 1fr;gap:12px}@media(max-width:520px){.row{grid-template-columns:1fr}}label{display:grid;gap:6px;font-size:13px;font-weight:600;color:var(--muted)}input[type=text],input[type=password],input:not([type]){font:inherit;font-weight:500;padding:10px 12px;border:1px solid var(--border);border-radius:9px;background:var(--bg);color:var(--ink)}input:focus{outline:2px solid var(--primary);outline-offset:1px;border-color:var(--primary)}label.check{display:flex;align-items:flex-start;gap:10px;font-weight:500;color:var(--ink)}label.check input{margin-top:2px}.btn{font:inherit;font-weight:600;font-size:14.5px;padding:11px 18px;border-radius:10px;border:1px solid transparent;cursor:pointer;justify-self:start}.btn:disabled{opacity:.6;cursor:default}.btn-primary{background:var(--grad);color:#fff}.btn-ghost{background:var(--card);color:var(--ink);border-color:var(--border)}.btn-ghost:hover{border-color:var(--primary);color:var(--primary)}.review-link{display:inline-block;font-family:ui-monospace,Menlo,monospace;font-size:13.5px;background:var(--bg);border:1px solid var(--border);border-radius:8px;padding:8px 12px;margin:6px 0;word-break:break-all}.copyrow{display:flex;gap:10px;align-items:center;margin-top:12px}.copyrow code{flex:1;background:var(--bg);border:1px solid var(--border);border-radius:9px;padding:11px 12px;font-size:13.5px;word-break:break-all}