:root{--bg: #0f1218;--card: #161a23;--line: #2a3242;--text: #e2e8f0;--muted: #94a3b8;--accent: #3b82f6;--accent-hover: #60a5fa;--ok: #10b981;--danger: #ef4444}@media (prefers-color-scheme: light){:root{--bg: #f1f5f9;--card: #ffffff;--line: #e2e8f0;--text: #0f172a;--muted: #64748b}}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:var(--bg);color:var(--text);font:15px/1.5 Inter,system-ui,sans-serif}.auth-shell{max-width:420px;margin:0 auto;padding:32px 16px}.auth-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px}.brand{font-weight:700;letter-spacing:.2px}.brand-mark{background:var(--accent);color:#fff;border-radius:6px;padding:2px 6px;margin-right:4px;font-size:13px}.langs button{background:none;border:0;color:var(--muted);font:inherit;font-size:13px;cursor:pointer;padding:4px 6px}.langs button[aria-pressed=true]{color:var(--text);font-weight:600}.auth-card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:28px 24px}h1{font-size:22px;margin:0 0 4px}.muted{color:var(--muted);margin:0 0 20px;font-size:14px}form{display:grid;gap:14px}label{display:grid;gap:6px;font-size:13px;color:var(--muted)}input{font:inherit;color:var(--text);background:var(--bg);border:1px solid var(--line);border-radius:8px;padding:10px 12px}input:focus{outline:2px solid var(--accent);outline-offset:-1px}.btn{display:flex;align-items:center;justify-content:center;gap:10px;width:100%;border-radius:8px;padding:11px 14px;font:inherit;font-weight:600;cursor:pointer;text-decoration:none;transition:background .15s,transform .1s}.btn:active{transform:scale(.98)}.btn.primary{background:var(--accent);color:#fff;border:0;margin-top:4px}.btn.primary:hover{background:var(--accent-hover)}.btn.primary:disabled{opacity:.6;cursor:progress}.btn.google{background:var(--bg);color:var(--text);border:1px solid var(--line)}.sep{display:flex;align-items:center;gap:12px;color:var(--muted);font-size:12px;margin:18px 0}.sep:before,.sep:after{content:"";flex:1;height:1px;background:var(--line)}.links{display:flex;flex-wrap:wrap;gap:6px 16px;justify-content:center;margin-top:18px}.link{background:none;border:0;color:var(--accent);font:inherit;font-size:13px;cursor:pointer;padding:2px}.link:hover{text-decoration:underline}.notice{border-radius:8px;padding:10px 12px;margin-bottom:16px;font-size:14px;border:1px solid}.notice.ok{border-color:color-mix(in srgb,var(--ok) 50%,transparent);background:color-mix(in srgb,var(--ok) 12%,transparent)}.notice.err{border-color:color-mix(in srgb,var(--danger) 50%,transparent);background:color-mix(in srgb,var(--danger) 12%,transparent)}[hidden]{display:none!important}