:root {
  --navy: #071a33;
  --navy-2: #0c2545;
  --gold: #b98a2e;
  --gold-2: #d6a64a;
  --ink: #0f1d2e;
  --muted: #6b7a8d;
  --line: #e3e8ef;
  --bg: #f4f6fa;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: 'Inter', system-ui, sans-serif;
  background: radial-gradient(1200px 600px at 80% -10%, #0c2545 0%, #071a33 55%, #050f1f 100%);
  color: var(--ink);
  min-height: 100vh;
  display: grid;
  place-items: center;
}
.login-shell { width: 100%; max-width: 420px; padding: 24px; }
.login-card {
  background: #fff;
  border-radius: 18px;
  padding: 36px 32px;
  box-shadow: 0 30px 80px rgba(3, 12, 28, 0.45);
}
.brand { display: flex; align-items: center; gap: 14px; margin-bottom: 28px; }
.brand-logo { height: 58px; width: auto; display: block; filter: drop-shadow(0 4px 12px rgba(185, 138, 46, 0.25)); }
.brand-name { margin: 0; font-weight: 700; color: var(--navy); }
.brand-sub { margin: 0; font-size: 13px; color: var(--muted); }
h1 { margin: 0 0 4px; font-size: 24px; color: var(--navy); }
.hint { margin: 0 0 22px; color: var(--muted); font-size: 14px; }
form { display: grid; gap: 16px; }
label { display: grid; gap: 6px; font-size: 13px; font-weight: 600; color: var(--ink); }
input {
  border: 1px solid var(--line); border-radius: 10px;
  padding: 12px 14px; font-size: 15px; font-family: inherit;
  transition: border-color .15s, box-shadow .15s;
}
input:focus { outline: none; border-color: var(--gold); box-shadow: 0 0 0 3px rgba(185, 138, 46, 0.15); }
button {
  margin-top: 6px; border: 0; border-radius: 10px; cursor: pointer;
  padding: 13px; font-size: 15px; font-weight: 700; font-family: inherit;
  background: linear-gradient(135deg, #0c2545, #071a33); color: #fff;
  transition: transform .08s, opacity .15s;
}
button:hover { opacity: .94; }
button:active { transform: translateY(1px); }
button:disabled { opacity: .6; cursor: default; }
.remember { flex-direction: row; align-items: center; gap: 8px; font-weight: 500; font-size: 13px; color: var(--muted); }
.remember input { width: auto; }
.linklike { background: transparent; color: var(--muted); border: 0; padding: 6px; font-size: 13px; font-weight: 500; margin-top: -4px; }
.linklike:hover { color: var(--ink); }
.error { margin: 4px 0 0; color: #c0392b; font-size: 13px; min-height: 18px; }
.footer { text-align: center; color: rgba(255,255,255,.55); font-size: 12px; margin-top: 20px; }