/* 后台 — 在全局 AI 科技风之上强化控制台面气质 */

.admin-body {
  margin: 0;
  min-height: 100vh;
}

.admin-login-wrap {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 420px);
  gap: 2rem;
  align-items: center;
  min-height: 100vh;
  padding: 2rem 1.5rem;
  max-width: 1100px;
  margin: 0 auto;
}

@media (max-width: 880px) {
  .admin-login-wrap {
    grid-template-columns: 1fr;
    padding: 1.5rem 1rem 2.5rem;
  }
}

.admin-login-hero {
  padding-right: 1rem;
}

.admin-login-kicker {
  display: inline-flex;
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #a5b4fc;
  background: rgba(99, 102, 241, 0.14);
  border: 1px solid rgba(99, 102, 241, 0.35);
  margin-bottom: 1rem;
}

.admin-login-title {
  font-size: clamp(1.75rem, 3vw, 2.35rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  margin: 0 0 0.75rem;
  color: var(--text);
}

.admin-login-lead {
  margin: 0;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.7;
  max-width: 36ch;
}

.admin-login-card {
  position: relative;
  overflow: hidden;
}

.admin-login-card::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg, rgba(34, 211, 238, 0.45), rgba(129, 140, 248, 0.35), rgba(192, 132, 252, 0.3));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

.admin-login-card-head {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  margin-bottom: 1rem;
}

.admin-login-brand {
  font-weight: 800;
  font-size: 1.1rem;
  letter-spacing: -0.02em;
  color: #f1f5f9;
}

.admin-login-hint {
  margin-top: 0.25rem;
  font-size: 0.82rem;
  color: var(--muted);
  line-height: 1.5;
}

.admin-app {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.admin-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.65rem 1.1rem;
  border-bottom: 1px solid var(--border);
  background: rgba(8, 11, 20, 0.85);
  backdrop-filter: blur(18px);
  position: sticky;
  top: 0;
  z-index: 40;
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.35);
}

.admin-topbar-left {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.admin-brand {
  font-weight: 800;
  font-size: 0.98rem;
  letter-spacing: -0.02em;
  background: linear-gradient(100deg, #e0e7ff, #a5b4fc 40%, #22d3ee);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.admin-topbar-sub {
  font-size: 0.72rem;
  color: #64748b;
  margin-top: 0.1rem;
}

.admin-topbar-actions {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.admin-topbar .btn {
  margin-top: 0;
}

.btn--sm {
  padding: 0.45rem 0.9rem !important;
  font-size: 0.82rem !important;
}

.admin-layout {
  display: grid;
  grid-template-columns: 228px 1fr;
  flex: 1;
  min-height: 0;
}

.admin-sidebar {
  border-right: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(15, 23, 42, 0.92) 0%, rgba(8, 11, 20, 0.96) 100%);
  padding: 0.75rem 0;
}

.admin-nav a {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.5rem 0.95rem;
  margin: 0.15rem 0.5rem;
  border-radius: 10px;
  color: #94a3b8;
  font-size: 0.88rem;
  font-weight: 600;
  border: 1px solid transparent;
}

.admin-nav a:hover {
  color: #e2e8f0;
  background: rgba(99, 102, 241, 0.1);
  border-color: rgba(99, 102, 241, 0.2);
}

.admin-nav a.active {
  color: #f8fafc;
  background: linear-gradient(90deg, rgba(34, 211, 238, 0.14), rgba(99, 102, 241, 0.12));
  border-color: rgba(34, 211, 238, 0.35);
  box-shadow: 0 0 24px rgba(34, 211, 238, 0.08);
}

.admin-nav-ic {
  opacity: 0.85;
  font-size: 0.85rem;
  width: 1.1rem;
  text-align: center;
}

.admin-main {
  padding: 1.1rem 1.35rem 2rem;
  overflow: auto;
  background: radial-gradient(ellipse 70% 45% at 50% 0%, rgba(99, 102, 241, 0.06), transparent 55%);
}

.admin-section-title {
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 0.85rem;
  background: linear-gradient(105deg, #f8fafc, #a5b4fc 45%, #22d3ee);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.admin-section-body .card {
  margin-bottom: 1rem;
}

.admin-table-wrap {
  overflow: auto;
  border-radius: 12px;
  border: 1px solid var(--border);
}

table.admin-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.86rem;
}

table.admin-table th,
table.admin-table td {
  border-bottom: 1px solid rgba(99, 102, 241, 0.12);
  padding: 0.45rem 0.55rem;
  text-align: left;
  vertical-align: top;
}

table.admin-table th {
  background: rgba(8, 12, 22, 0.92);
  color: #94a3b8;
  font-weight: 700;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

table.admin-table tr:hover td {
  background: rgba(34, 211, 238, 0.04);
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

button.btn-secondary {
  margin-top: 0;
  padding: 0.4rem 0.75rem;
  font-size: 0.82rem;
  border-radius: 9px;
  background: rgba(30, 41, 59, 0.95);
  color: #e2e8f0;
  border: 1px solid rgba(148, 163, 184, 0.2);
  box-shadow: none;
}

button.btn-secondary:hover {
  background: rgba(51, 65, 85, 0.98);
  border-color: rgba(34, 211, 238, 0.25);
  filter: none;
}

.admin-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: flex-end;
  margin-bottom: 0.75rem;
}

.admin-toolbar input,
.admin-toolbar select {
  max-width: 240px;
}

.admin-modal-title {
  margin-top: 0;
  font-size: 1.15rem;
}

.admin-modal-actions {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-top: 0.75rem;
}

.admin-modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.admin-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(2, 6, 23, 0.72);
  backdrop-filter: blur(6px);
}

.admin-modal-card {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 420px;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.55);
}

.admin-stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 0.75rem;
}

.stat-box {
  position: relative;
  background: linear-gradient(145deg, rgba(15, 23, 42, 0.95), rgba(8, 12, 22, 0.9));
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 0.85rem 0.95rem;
  overflow: hidden;
}

.stat-box::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 52%;
  height: 100%;
  background: radial-gradient(circle at 100% 0%, rgba(34, 211, 238, 0.12), transparent 65%);
  pointer-events: none;
}

.stat-box .num {
  font-size: 1.35rem;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
}

.stat-box .lbl {
  color: var(--muted);
  font-size: 0.78rem;
  margin-top: 0.2rem;
}

pre.admin-json {
  background: rgba(8, 12, 22, 0.92);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0.85rem;
  overflow: auto;
  max-height: 440px;
  font-size: 0.8rem;
  line-height: 1.45;
}

.hint {
  color: var(--muted);
  font-size: 0.85rem;
  line-height: 1.55;
}

.err {
  color: #fb7185;
  margin-top: 0.5rem;
}

.ok {
  color: #34d399;
}

@media (max-width: 900px) {
  .admin-layout {
    grid-template-columns: 1fr;
  }

  .admin-sidebar {
    border-right: none;
    border-bottom: 1px solid var(--border);
  }

  .admin-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem;
    padding: 0.35rem 0.35rem 0.65rem;
  }

  .admin-nav a {
    margin: 0;
    font-size: 0.8rem;
  }
}