:root {
  --navy: #1e3a5f;
  --blue: #2c5f7d;
  --gold: #d97706;
  --ink: #243447;
  --muted: #66788a;
  --line: #dce5ec;
  --page: #eef3f6;
  --success: #176b47;
  --danger: #a32828;
}
* { box-sizing: border-box; }
html, body { min-height: 100%; margin: 0; }
body {
  min-height: 100vh;
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 14% 15%, rgba(44,95,125,.14), transparent 28rem),
    linear-gradient(135deg, #f7fafc 0%, var(--page) 100%);
}
.access-shell { min-height: 100vh; display: grid; place-items: center; padding: 32px 18px; }
.access-card, .admin-card {
  width: min(100%, 520px);
  background: rgba(255,255,255,.98);
  border: 1px solid rgba(220,229,236,.95);
  border-radius: 18px;
  box-shadow: 0 24px 70px rgba(30,58,95,.14);
  overflow: hidden;
}
.admin-card { width: min(100%, 760px); }
.brand-bar { height: 7px; background: linear-gradient(90deg, var(--blue), var(--navy), var(--gold)); }
.card-body { padding: 38px; }
.eyebrow { margin: 0 0 12px; color: var(--gold); font-size: .78rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
h1 { margin: 0 0 12px; color: var(--navy); font-size: clamp(1.8rem,5vw,2.45rem); line-height: 1.1; }
h2 { margin: 0 0 10px; color: var(--navy); }
.lead { margin: 0 0 28px; color: var(--muted); line-height: 1.65; }
label { display: block; margin: 0 0 8px; font-weight: 700; }
input[type="password"] {
  width: 100%;
  min-height: 48px;
  padding: 12px 14px;
  color: var(--ink);
  background: #fff;
  border: 1px solid #bdcbd6;
  border-radius: 9px;
  font: inherit;
}
input:focus { outline: 3px solid rgba(44,95,125,.2); border-color: var(--blue); }
.field { margin-bottom: 20px; }
.hint { margin: 7px 0 0; color: var(--muted); font-size: .88rem; line-height: 1.45; }
button, .button-link {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  min-height: 48px;
  padding: 12px 19px;
  border: 0;
  border-radius: 9px;
  color: #fff;
  background: var(--blue);
  font: inherit;
  font-weight: 750;
  text-decoration: none;
  cursor: pointer;
}
button:hover, .button-link:hover { background: var(--navy); }
.button-secondary { color: var(--ink); background: #e4ebf0; }
.button-secondary:hover { background: #d6e0e7; }
.message { margin: 0 0 22px; padding: 13px 15px; border-radius: 9px; line-height: 1.5; }
.message.error { color: #741d1d; background: #fde8e8; border: 1px solid #f6caca; }
.message.success { color: #0e5638; background: #e4f6ee; border: 1px solid #bfe7d4; }
.message.info { color: var(--navy); background: #eaf2f7; border: 1px solid #cbdce8; }
.meta { padding: 16px 38px 20px; color: var(--muted); background: #f7fafc; border-top: 1px solid var(--line); font-size: .88rem; }
.meta a { color: var(--blue); }
.admin-header { display: flex; justify-content: space-between; gap: 18px; align-items: flex-start; margin-bottom: 28px; }
.admin-header .button-link { min-height: 40px; padding: 9px 14px; }
.section { padding-top: 26px; margin-top: 26px; border-top: 1px solid var(--line); }
.status-row { display: flex; gap: 12px; flex-wrap: wrap; margin: 16px 0 24px; }
.pill { padding: 7px 11px; border-radius: 999px; font-size: .86rem; font-weight: 750; }
.pill.on { color: var(--success); background: #dff4e9; }
.pill.off { color: var(--danger); background: #fae2e2; }
.checkbox { display: flex; align-items: flex-start; gap: 10px; margin: 16px 0; font-weight: 600; }
.checkbox input { width: 18px; height: 18px; margin-top: 2px; accent-color: var(--blue); }
.footer-note { margin: 28px 0 0; color: var(--muted); font-size: .9rem; line-height: 1.55; }
@media (max-width: 560px) {
  .card-body { padding: 28px 22px; }
  .meta { padding-inline: 22px; }
  .admin-header { display: block; }
  .admin-header .button-link { margin-top: 16px; }
}