:root {
  --petrol: #0E2E30;
  --gold: #C9A227;
  --bg: #F5F4EF;
  --surface: #FFFFFF;
  --line: #E2E0D8;
  --ink: #1B2426;
  --muted: #7A8687;
  --err: #B3261E;
  font-family: 'Inter', -apple-system, 'Segoe UI', Helvetica, Arial, sans-serif;
  font-size: 15px;
}
* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; display: grid; place-items: center; background: var(--petrol); color: #E8E6DF; }
body::before { content: ''; position: fixed; inset: 0; background: radial-gradient(60% 80% at 80% 10%, rgba(201,162,39,.16), transparent 60%), radial-gradient(50% 70% at 10% 90%, rgba(255,255,255,.05), transparent 55%); pointer-events: none; }
.login-wrap { display: grid; gap: 48px; grid-template-columns: minmax(280px, 420px) 360px; align-items: center; padding: 40px; max-width: 900px; }
@media (max-width: 780px) { .login-wrap { grid-template-columns: 1fr; gap: 24px; } }
.login-mark { width: 44px; height: 44px; border-radius: 8px; background: var(--gold); color: var(--petrol); font-weight: 800; display: grid; place-items: center; letter-spacing: .5px; margin-bottom: 18px; }
.login-brand h1 { margin: 0 0 10px; font-size: 28px; letter-spacing: -.02em; }
.login-brand p { margin: 0; color: #B9C0BB; line-height: 1.55; }
.login-card { background: var(--surface); color: var(--ink); border-radius: 12px; padding: 28px; box-shadow: 0 24px 60px rgba(0,0,0,.35); display: grid; gap: 14px; }
.login-card h2 { margin: 0 0 4px; font-size: 18px; }
.login-card label { display: grid; gap: 6px; font-size: 13px; font-weight: 600; color: #4A5658; }
.login-card input { padding: 10px 12px; border: 1px solid var(--line); border-radius: 8px; font: inherit; font-weight: 400; }
.login-card input:focus { outline: 2px solid var(--gold); border-color: transparent; }
.login-card button[type="submit"] { padding: 11px; border: 0; border-radius: 8px; background: var(--petrol); color: #fff; font: inherit; font-weight: 700; cursor: pointer; }
.login-card button[type="submit"]:hover { background: #153F41; }
.login-alt { background: none; border: 0; color: #9A7A12; font: inherit; font-size: 13px; cursor: pointer; padding: 0; text-align: center; }
.login-error { color: var(--err); font-size: 13px; margin: 0; }
.login-hint { font-size: 12px; text-align: center; margin: 0; color: var(--muted); }
.muted { color: var(--muted); font-weight: 400; }
[hidden] { display: none !important; }