:root{color-scheme:light;--bg:#f8f9fa;--paper:rgba(255,255,255,0.86);--paper-strong:#ffffff;--text:#191c1d;--muted:#6a6f76;--line:rgba(219,194,176,0.28);--line-strong:rgba(136,115,100,0.28);--brand:#8d4b00;--brand-strong:#b15f00;--brand-soft:rgba(141,75,0,0.08);--secondary:#006399;--secondary-soft:rgba(0,99,153,0.08);--success:#11745b;--warning:#a5661b;--danger:#b04444;--shadow:0 18px 48px rgba(25,28,29,0.06);--radius-xl:18px;--radius-lg:12px;--radius-md:8px;--radius-sm:4px}*{box-sizing:border-box}body,html{margin:0;min-height:100%;background:radial-gradient(circle at top left,rgba(177,95,0,.08),transparent 18%),radial-gradient(circle at bottom right,rgba(0,99,153,.08),transparent 20%),var(--bg);color:var(--text);font-family:Inter,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;font-size:13px;line-height:1.6}button,input,select,textarea{font:inherit}a{color:inherit;text-decoration:none}.auth-panel{display:grid;grid-gap:18px;gap:18px;width:min(460px,calc(100vw - 32px));margin:72px auto;padding:28px;border:1px solid var(--line);border-radius:24px;background:rgba(248,249,250,.9);box-shadow:var(--shadow)}.auth-copy{display:grid;grid-gap:8px;gap:8px}.auth-kicker{color:var(--muted);font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase}.auth-copy h1{margin:0;font-size:28px;line-height:1.1}.auth-copy p{margin:0;color:var(--muted);font-size:14px}.auth-form{display:grid;grid-gap:12px;gap:12px}.auth-form label{display:grid;grid-gap:6px;gap:6px;font-size:13px;font-weight:600}.auth-form input{width:100%;min-height:44px;padding:0 12px;border:1px solid var(--line);border-radius:14px;background:rgba(255,255,255,.88);color:var(--text)}.auth-form button{min-height:44px;border:1px solid rgba(0,99,153,.18);border-radius:999px;background:rgba(0,99,153,.9);color:#fff;font-size:14px;font-weight:700;cursor:pointer}.auth-form button:disabled{cursor:not-allowed;opacity:.6}.auth-form .auth-switch{border:none;background:transparent;color:var(--brand)}.auth-error{color:var(--danger);font-size:13px;font-weight:600}