:root {
  color-scheme: dark;
  --bg: #07111f;
  --panel: #101b2d;
  --panel-2: #162238;
  --text: #f3f7ff;
  --muted: #93a2bf;
  --accent: #43c4ff;
  --accent-2: #9d7cff;
  --border: rgba(255, 255, 255, 0.12);
  --danger: #ff7b72;
  --topbar-offset: 0.75rem;
  --scroll-margin-top: 1rem;
  --safe-top-padding: max(0.8rem, env(safe-area-inset-top));
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: radial-gradient(circle at top, #14233e 0%, var(--bg) 60%);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.5;
  padding-top: var(--safe-top-padding);
}
a { color: var(--accent); text-decoration: none; }
button, input, select { font: inherit; }
button { cursor: pointer; }
button:hover { transform: translateY(-1px); }

.shell {
  max-width: 960px;
  margin: 0 auto;
  padding: 1rem;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
  padding: 0.85rem 1rem;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: rgba(16, 27, 45, 0.88);
  backdrop-filter: blur(10px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.22);
  position: sticky;
  top: var(--topbar-offset);
  z-index: 2;
}
.brand { display: flex; align-items: center; gap: 0.75rem; font-weight: 700; }
.admin-nav { display: flex; align-items: center; gap: 0.6rem; flex-wrap: wrap; }
.nav-link { color: var(--muted); padding: 0.35rem 0.65rem; border-radius: 999px; }
.nav-link:hover { color: var(--text); background: rgba(67, 196, 255, 0.12); }
.topbar .meta-stack { display: flex; align-items: center; gap: 0.75rem; flex-wrap: wrap; justify-content: flex-end; }
.brand-link { display: inline-flex; align-items: center; justify-content: center; }
.brand img { height: 34px; max-width: 220px; width: auto; object-fit: contain; }
.login-box .brand-link { justify-content: center; margin-bottom: 0.75rem; }
.login-box .brand-link img { width: min(100%, 260px); height: auto; }

.panel {
  background: rgba(16, 27, 45, 0.92);
  border: 1px solid var(--border);
  border-radius: 24px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.22);
  padding: 1rem;
}

.admin-shell {
  display: grid;
  gap: 1rem;
}

.admin-nav-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 0.7rem;
}

.admin-nav-btn {
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 0.85rem 0.9rem;
  background: rgba(67, 196, 255, 0.09);
  color: var(--text);
  text-align: left;
}

.admin-nav-btn.active {
  background: linear-gradient(135deg, rgba(67, 196, 255, 0.22), rgba(157, 124, 255, 0.22));
  border-color: rgba(67, 196, 255, 0.35);
}

.admin-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.admin-card,
.admin-panel {
  padding: 1rem;
  border-radius: 18px;
  background: var(--panel-2);
  border: 1px solid var(--border);
}

.admin-card h3,
.admin-panel h3 {
  margin-top: 0;
  margin-bottom: 0.6rem;
}

.admin-list {
  display: grid;
  gap: 0.65rem;
}

.admin-list-item {
  padding: 0.8rem;
  border-radius: 12px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.07);
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
}

.admin-table th,
.admin-table td {
  padding: 0.65rem 0.5rem;
  text-align: left;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.admin-form-grid {
  display: grid;
  gap: 0.75rem;
}

.admin-form-grid input,
.admin-form-grid select,
.admin-form-grid textarea {
  width: 100%;
  padding: 0.8rem 0.9rem;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text);
}

.admin-inline-row {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.admin-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.3rem 0.6rem;
  border-radius: 999px;
  background: rgba(67, 196, 255, 0.12);
  color: var(--accent);
  font-size: 0.8rem;
}

.admin-stack {
  display: grid;
  gap: 0.6rem;
}

@media (max-width: 720px) {
  .admin-nav-grid {
    grid-template-columns: 1fr 1fr;
  }

  .admin-grid {
    grid-template-columns: 1fr;
  }

  .admin-table th,
  .admin-table td {
    font-size: 0.9rem;
    padding: 0.55rem 0.35rem;
  }
}

.hero {
  padding: 1rem 0 1.1rem;
}
.hero h1 { margin: 0 0 0.35rem; font-size: clamp(1.4rem, 3.3vw, 2rem); }
.hero p { margin: 0; color: var(--muted); line-height: 1.5; max-width: 760px; }
.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 0.85rem;
}
.pill {
  display: inline-flex;
  align-items: center;
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  background: rgba(67, 196, 255, 0.16);
  color: var(--accent);
  font-size: 0.85rem;
  border: 1px solid rgba(67, 196, 255, 0.22);
}

.search-row {
  display: flex;
  gap: 0.7rem;
  align-items: center;
  margin-top: 1rem;
}
.search-row input {
  flex: 1;
  padding: 0.95rem 1rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--panel-2);
  color: var(--text);
  transition: border-color 160ms ease, box-shadow 160ms ease;
}
.search-row input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(67, 196, 255, 0.18);
}
.search-row button {
  padding: 0.9rem 1rem;
  border-radius: 999px;
  border: 0;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #04111f;
  font-weight: 700;
}

.status-line {
  margin-top: 0.8rem;
  color: var(--muted);
  min-height: 1.35rem;
}
.offline-banner {
  margin-top: 0.75rem;
  padding: 0.7rem 0.85rem;
  border-radius: 12px;
  border: 1px solid rgba(255, 123, 114, 0.28);
  background: rgba(255, 123, 114, 0.11);
  color: #ffc9c4;
}

.card-list {
  display: grid;
  gap: 0.75rem;
  margin-top: 0.9rem;
}
.result-card {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  padding: 0.95rem;
  border-radius: 18px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  transition: border-color 160ms ease, transform 160ms ease;
}
.result-card:hover {
  border-color: rgba(67, 196, 255, 0.4);
  transform: translateY(-2px);
}
.result-card h3 { margin: 0; font-size: 1rem; }
.result-card .meta { color: var(--muted); font-size: 0.95rem; }
.result-card .badges { display: flex; flex-wrap: wrap; gap: 0.45rem; }
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.3rem 0.55rem;
  border-radius: 999px;
  font-size: 0.8rem;
  background: rgba(67, 196, 255, 0.16);
  color: var(--accent);
}

.detail-grid {
  display: grid;
  gap: 1rem;
  margin-top: 1rem;
}
.detail-card {
  padding: 1rem;
  border-radius: 18px;
  background: var(--panel-2);
  border: 1px solid var(--border);
}
.detail-grid .row { display: flex; justify-content: space-between; gap: 1rem; padding: 0.45rem 0; border-bottom: 1px solid rgba(255,255,255,0.06); }
.detail-grid .row:last-child { border-bottom: 0; }
.label { color: var(--muted); }
.value { text-align: right; word-break: break-word; }

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 0.85rem;
}
.actions button, .ghost-btn {
  border: 0;
  border-radius: 999px;
  padding: 0.8rem 0.95rem;
  background: rgba(67, 196, 255, 0.16);
  color: var(--text);
  transition: background-color 160ms ease, color 160ms ease;
}
.actions button:hover, .ghost-btn:hover {
  background: rgba(67, 196, 255, 0.24);
}
.actions button.primary { background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: #04111f; font-weight: 700; }

.modal {
  position: fixed; inset: 0; background: rgba(0,0,0,0.7); display: none; align-items: center; justify-content: center; padding: 1rem; z-index: 8;
}
.modal.active { display: flex; }
.modal-card { width: min(360px, 100%); background: var(--panel); border: 1px solid var(--border); border-radius: 22px; padding: 1rem; text-align: center; }
#qrBox { margin: 1rem 0; min-height: 220px; display: grid; place-items: center; }

.login-box {
  max-width: 430px; margin: 3rem auto 0; padding: 1.15rem; border: 1px solid var(--border); border-radius: 24px; background: rgba(16, 27, 45, 0.96);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.25);
}
.login-box .subhead {
  margin: 0 0 0.9rem;
  color: var(--muted);
  text-align: center;
}
.login-box .feature-list {
  display: grid;
  gap: 0.4rem;
  padding: 0;
  margin: 0.8rem 0 0;
  list-style: none;
  color: var(--muted);
}
.login-box .feature-list li::before {
  content: '•';
  color: var(--accent);
  margin-right: 0.45rem;
}
.login-box form { display: grid; gap: 0.75rem; }
.login-box input[type="email"],
.login-box input[type="password"] { width: 100%; padding: 0.9rem 1rem; border-radius: 12px; border: 1px solid var(--border); background: var(--panel-2); color: var(--text); }
.login-box button { padding: 0.9rem 1rem; border-radius: 12px; border: 0; background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: #04111f; font-weight: 700; }
.login-box .hint { color: var(--muted); font-size: 0.95rem; margin-top: 0.4rem; }
.login-box .field-label { font-size: 0.9rem; color: var(--muted); }
.login-box .remember-row { display: inline-flex; align-items: center; gap: 0.6rem; width: auto; margin-top: 0.15rem; }
.login-box .remember-row input[type="checkbox"] { width: 18px; height: 18px; margin: 0; flex: 0 0 auto; }
.login-box .brand-link img { width: 84px; height: 84px; object-fit: contain; display: block; margin: 0 auto 0.9rem; }
.visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

.empty-state { padding: 1.1rem; color: var(--muted); }
.hidden { display: none !important; }

:target,
[tabindex="-1"] {
  scroll-margin-top: var(--scroll-margin-top);
}

@media (max-width: 720px) {
  .shell { padding: 0.75rem; }
  .topbar {
    position: static;
    top: auto;
    padding: 0.8rem 0.9rem;
    flex-direction: column;
    align-items: flex-start;
    width: 100%;
    margin-bottom: 0.75rem;
  }
  .admin-nav { width: 100%; }
  .topbar .meta-stack { width: 100%; justify-content: flex-start; }
  .search-row { flex-direction: column; align-items: stretch; }
  .detail-grid .row { flex-direction: column; gap: 0.2rem; }
  .detail-grid .row .value { text-align: left; }
}