:root {
  --bg: #08111f;
  --panel: #101b2f;
  --panel-2: #16243d;
  --text: #eef4ff;
  --muted: #95a4bf;
  --accent: #7bc96f;
  --accent-2: #9ee38f;
  --danger: #ff6b6b;
  --line: rgba(255,255,255,.08);
  --shadow: 0 18px 40px rgba(0,0,0,.28);
}
* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: radial-gradient(circle at top left, rgba(123, 201, 111, .12), transparent 26%), linear-gradient(135deg, #08111f, #0f1a31 45%, #0b1322);
  color: var(--text);
}
a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
.admin-login-page {
  display: grid;
  place-items: center;
  padding: 24px;
}
.admin-login-card {
  width: min(100%, 420px);
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 26px;
  background: rgba(16, 27, 47, .88);
  box-shadow: var(--shadow);
}
.admin-badge, .admin-brand {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 9px 13px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #0b1322;
  font-weight: 900;
  letter-spacing: .6px;
}
.admin-login-card h1, .admin-hero h1, .admin-card h2 { margin: 0; }
.admin-login-card p, .admin-hero p, .admin-user span { color: var(--muted); }
.admin-form { margin-top: 18px; display: grid; gap: 10px; }
.admin-form label { font-size: 13px; font-weight: 700; }
.admin-form input, .card-header input, .scan-form input {
  width: 100%;
  min-height: 48px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255,255,255,.04);
  color: var(--text);
  outline: 0;
}
.admin-button, .scan-actions button, .nav-item, .admin-logout {
  min-height: 46px;
  border: 0;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #0b1322;
  font-weight: 900;
  cursor: pointer;
}
.admin-message { min-height: 18px; font-size: 13px; color: var(--muted); }
.admin-app { display: grid; grid-template-columns: 280px 1fr; }
.admin-sidebar {
  min-height: 100vh;
  padding: 22px;
  border-right: 1px solid var(--line);
  background: rgba(9, 16, 29, .9);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 24px;
}
.admin-user { margin-top: 14px; display: grid; gap: 4px; }
.admin-nav { display: grid; gap: 10px; }
.nav-item, .admin-logout {
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,.06);
  color: var(--text);
  border: 1px solid var(--line);
}
.nav-item.active { background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: #0b1322; }
.admin-main { padding: 24px; display: grid; gap: 18px; }
.admin-hero, .admin-card, .admin-stats .stat {
  border: 1px solid var(--line);
  border-radius: 24px;
  background: rgba(16, 27, 47, .84);
  box-shadow: var(--shadow);
}
.admin-hero { padding: 24px; }
.admin-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.admin-stats .stat { padding: 18px; }
.stat b { display: block; font-size: 30px; margin-top: 10px; }
.admin-panel { display: none; }
.admin-panel.active { display: block; }
.admin-card { padding: 20px; }
.admin-table-wrap { overflow:auto; }
.admin-table { width: 100%; border-collapse: collapse; min-width: 860px; }
.admin-table th, .admin-table td { text-align: left; padding: 12px 10px; border-bottom: 1px solid var(--line); font-size: 13px; }
.badge-ok { color: #0b1322; background: var(--accent-2); padding: 5px 8px; border-radius: 999px; font-weight: 800; }
.badge-warn { color: #0b1322; background: #ffd166; padding: 5px 8px; border-radius: 999px; font-weight: 800; }
.badge-danger { color: #0b1322; background: #ff8f8f; padding: 5px 8px; border-radius: 999px; font-weight: 800; }
.card-header { display: flex; justify-content: space-between; align-items: center; gap: 14px; margin-bottom: 16px; }
.scan-form { display: grid; gap: 12px; margin-top: 14px; }
.scan-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.scan-result { margin-top: 14px; min-height: 22px; color: var(--muted); }
.scan-camera { display: grid; gap: 12px; margin-bottom: 14px; }
.scan-camera-header { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; }
.scan-camera video { display: none; width: 100%; max-height: 320px; border-radius: 18px; background: rgba(255,255,255,.04); object-fit: cover; }
.scan-status { color: var(--muted); }
.qr-actions { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.qr-link,
.qr-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 6px 10px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.06);
  color: var(--text);
  cursor: pointer;
  font-size: 12px;
}
.qr-button {
  min-width: 110px;
}
.qr-link {
  text-decoration: none;
}
@media (max-width: 980px) {
  .admin-app { grid-template-columns: 1fr; }
  .admin-sidebar { min-height: auto; }
  .admin-stats { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .admin-main { padding: 16px; }
  .admin-stats { grid-template-columns: 1fr; }
  .card-header, .scan-actions { grid-template-columns: 1fr; display: grid; }
  .scan-actions { grid-template-columns: 1fr; }
}