/* SurferX Learn Hub Admin — aligned with WalletSona admin (slate-950, glass, cyan/violet) */

:root {
  --sx-bg: #020617;
  --sx-panel: #0f172a;
  --sx-panel-2: #1e293b;
  --sx-border: rgba(148, 163, 184, 0.12);
  --sx-cyan: #22d3ee;
  --sx-violet: #a78bfa;
  --sx-mint: #34d399;
  --sx-gold: #fbbf24;
  --sx-coral: #f87171;
  --sx-muted: #94a3b8;
  --sx-text: #f1f5f9;
  --sx-sidebar-w: 260px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100vh;
  font-family: 'DM Sans', system-ui, sans-serif;
  background: var(--sx-bg);
  color: var(--sx-text);
  line-height: 1.5;
}

a {
  color: var(--sx-cyan);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* ── Login (WalletSona-style) ── */
.admin-login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background:
    radial-gradient(ellipse 60% 50% at 20% 10%, rgba(6, 182, 212, 0.12), transparent 55%),
    radial-gradient(ellipse 50% 40% at 85% 80%, rgba(139, 92, 246, 0.1), transparent 50%),
    var(--sx-bg);
}

.admin-login-card {
  width: min(420px, 100%);
  padding: 32px 28px;
  border-radius: 20px;
  border: 1px solid var(--sx-border);
  background: rgba(15, 23, 42, 0.75);
  backdrop-filter: blur(16px);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
}

.admin-login-card .brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
}

.admin-login-card .brand img {
  height: 36px;
  width: auto;
}

.admin-login-card h1 {
  font-family: 'Syne', sans-serif;
  font-size: 1.35rem;
  margin: 0 0 4px;
  background: linear-gradient(135deg, #fff, var(--sx-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.admin-login-card .sub {
  color: var(--sx-muted);
  font-size: 0.88rem;
  margin: 0 0 24px;
}

.admin-login-card label {
  display: block;
  font-size: 0.78rem;
  color: var(--sx-muted);
  margin-bottom: 6px;
}

.admin-login-card input {
  width: 100%;
  padding: 11px 14px;
  border-radius: 10px;
  border: 1px solid var(--sx-border);
  background: rgba(2, 6, 23, 0.6);
  color: var(--sx-text);
  margin-bottom: 16px;
  font-size: 0.95rem;
}

.admin-login-card input:focus {
  outline: none;
  border-color: rgba(34, 211, 238, 0.5);
  box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.15);
}

.admin-error {
  color: var(--sx-coral);
  font-size: 0.82rem;
  margin-bottom: 12px;
  min-height: 1.2em;
}

/* ── App shell ── */
.admin-app {
  display: flex;
  min-height: 100vh;
}

.admin-sidebar {
  width: var(--sx-sidebar-w);
  flex-shrink: 0;
  background: rgba(15, 23, 42, 0.92);
  border-right: 1px solid var(--sx-border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 40;
  transition: transform 0.25s ease;
}

.admin-sidebar-brand {
  padding: 20px 18px 16px;
  border-bottom: 1px solid var(--sx-border);
}

.admin-sidebar-brand img {
  height: 28px;
  margin-bottom: 8px;
}

.admin-sidebar-brand strong {
  display: block;
  font-family: 'Syne', sans-serif;
  font-size: 0.95rem;
  color: var(--sx-text);
}

.admin-sidebar-brand span {
  font-size: 0.72rem;
  color: var(--sx-muted);
}

.admin-nav {
  flex: 1;
  padding: 14px 10px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.admin-nav-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 11px 14px;
  border: none;
  border-radius: 10px;
  background: transparent;
  color: var(--sx-muted);
  font-family: inherit;
  font-size: 0.88rem;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}

.admin-nav-btn:hover {
  background: rgba(34, 211, 238, 0.08);
  color: var(--sx-text);
}

.admin-nav-btn.active {
  background: linear-gradient(90deg, rgba(6, 182, 212, 0.18), rgba(139, 92, 246, 0.1));
  color: var(--sx-cyan);
  border: 1px solid rgba(34, 211, 238, 0.25);
}

.admin-nav-icon {
  font-size: 1.1rem;
  width: 22px;
  text-align: center;
}

.admin-sidebar-foot {
  padding: 14px 18px;
  border-top: 1px solid var(--sx-border);
  font-size: 0.72rem;
  color: var(--sx-muted);
}

.admin-sidebar-foot a {
  display: block;
  margin-top: 6px;
}

.admin-main {
  flex: 1;
  margin-left: var(--sx-sidebar-w);
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.admin-topbar {
  position: sticky;
  top: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 24px;
  background: rgba(2, 6, 23, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--sx-border);
}

.admin-topbar h2 {
  font-family: 'Syne', sans-serif;
  font-size: 1.15rem;
  margin: 0;
}

.admin-topbar-actions {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}

.admin-content {
  padding: 24px;
  flex: 1;
}

.admin-hidden {
  display: none !important;
}

/* ── Buttons ── */
.admin-btn {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 0.8rem;
  padding: 8px 16px;
  border-radius: 999px;
  border: 1px solid var(--sx-border);
  background: rgba(30, 41, 59, 0.6);
  color: var(--sx-text);
  cursor: pointer;
  transition: all 0.2s;
}

.admin-btn:hover {
  border-color: rgba(34, 211, 238, 0.4);
  color: var(--sx-cyan);
}

.admin-btn.primary {
  background: linear-gradient(135deg, #06b6d4, #8b5cf6);
  border: none;
  color: #020617;
}

.admin-btn.primary:hover {
  filter: brightness(1.08);
  color: #020617;
}

.admin-btn.danger {
  border-color: rgba(248, 113, 113, 0.35);
  color: var(--sx-coral);
}

.admin-btn.ghost {
  background: transparent;
}

.admin-menu-toggle {
  display: none;
}

/* ── Glass cards & KPIs ── */
.glass-card {
  background: rgba(15, 23, 42, 0.55);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: 16px;
  padding: 20px;
}

.admin-kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 14px;
  margin-bottom: 24px;
}

.admin-kpi {
  padding: 18px 16px;
}

.admin-kpi .label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--sx-muted);
  margin-bottom: 6px;
}

.admin-kpi .value {
  font-family: 'Syne', sans-serif;
  font-size: 1.65rem;
  font-weight: 800;
}

.admin-kpi.cyan .value {
  color: var(--sx-cyan);
}

.admin-kpi.violet .value {
  color: var(--sx-violet);
}

.admin-kpi.mint .value {
  color: var(--sx-mint);
}

.admin-kpi.gold .value {
  color: var(--sx-gold);
}

.admin-section-title {
  font-family: 'Syne', sans-serif;
  font-size: 1rem;
  margin: 0 0 14px;
  color: var(--sx-text);
}

.admin-two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-bottom: 24px;
}

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

/* ── Tables ── */
.admin-table-wrap {
  overflow-x: auto;
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.82rem;
}

.admin-table th,
.admin-table td {
  padding: 10px 12px;
  text-align: left;
  border-bottom: 1px solid var(--sx-border);
}

.admin-table th {
  color: var(--sx-muted);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.68rem;
  letter-spacing: 0.05em;
}

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

/* ── Ad manager section (inherits shell) ── */
.admin-limit-hint {
  font-size: 0.82rem;
  color: var(--sx-gold);
  background: rgba(251, 191, 36, 0.08);
  border: 1px solid rgba(251, 191, 36, 0.22);
  padding: 12px 14px;
  border-radius: 12px;
  margin-bottom: 18px;
}

.admin-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 18px;
  align-items: flex-end;
}

.admin-filters label {
  font-size: 0.72rem;
  color: var(--sx-muted);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.admin-filters select,
.admin-filters input {
  padding: 8px 10px;
  border-radius: 8px;
  border: 1px solid var(--sx-border);
  background: rgba(2, 6, 23, 0.6);
  color: var(--sx-text);
  min-width: 150px;
}

.admin-filters input[type="search"] {
  min-width: 260px;
}

.admin-section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.admin-section-head .admin-section-title {
  margin: 0;
}

.admin-pagination {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
  margin-top: 14px;
}

.admin-pagination .admin-btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.admin-toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: rgba(15, 23, 42, 0.96);
  border: 1px solid var(--sx-border, rgba(148, 163, 184, 0.3));
  color: var(--sx-text, #e2e8f0);
  padding: 12px 20px;
  border-radius: 10px;
  font-size: 0.85rem;
  z-index: 9999;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease, transform 0.25s ease;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.admin-toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.admin-toast.error {
  border-color: rgba(255, 107, 91, 0.5);
}

.admin-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 14px;
}

.admin-card {
  background: rgba(15, 23, 42, 0.55);
  border: 1px solid var(--sx-border);
  border-radius: 14px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.admin-card-preview {
  width: 100%;
  max-height: 110px;
  object-fit: contain;
  background: #030812;
  border-radius: 8px;
}

.admin-card-preview.rect {
  max-height: 150px;
}

.admin-badge {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: 6px;
}

.admin-badge.active {
  background: rgba(52, 211, 153, 0.15);
  color: var(--sx-mint);
}

.admin-badge.scheduled {
  background: rgba(56, 189, 248, 0.12);
  color: #38bdf8;
}

.admin-badge.expired {
  background: rgba(148, 163, 184, 0.12);
  color: var(--sx-muted);
}

.admin-badge.disabled {
  background: rgba(248, 113, 113, 0.12);
  color: var(--sx-coral);
}

.admin-card-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: auto;
}

.admin-meta {
  font-size: 0.75rem;
  color: var(--sx-muted);
}

.admin-exclusive {
  color: var(--sx-gold);
  font-size: 0.75rem;
}

.admin-storage-warn {
  background: rgba(248, 113, 113, 0.1);
  border: 1px solid rgba(248, 113, 113, 0.3);
  color: var(--sx-coral);
  padding: 12px;
  border-radius: 10px;
  margin-bottom: 16px;
  font-size: 0.85rem;
}

/* ── Modal ── */
.admin-modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: rgba(2, 6, 23, 0.88);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.admin-modal.open {
  display: flex;
}

.admin-modal-panel {
  width: min(520px, 100%);
  max-height: 90vh;
  overflow-y: auto;
  background: var(--sx-panel);
  border: 1px solid rgba(34, 211, 238, 0.25);
  border-radius: 16px;
  padding: 22px;
}

.admin-modal-panel h3 {
  font-family: 'Syne', sans-serif;
  margin: 0 0 16px;
  color: var(--sx-cyan);
}

.admin-form label {
  display: block;
  font-size: 0.75rem;
  color: var(--sx-muted);
  margin: 12px 0 4px;
}

.admin-form input,
.admin-form select,
.admin-form textarea {
  width: 100%;
  padding: 9px 11px;
  border-radius: 8px;
  border: 1px solid var(--sx-border);
  background: rgba(2, 6, 23, 0.6);
  color: var(--sx-text);
}

.admin-form textarea {
  min-height: 72px;
}

.admin-upload-hint {
  font-size: 0.72rem;
  color: var(--sx-muted);
  margin: 4px 0 8px;
}

.admin-preview-box img {
  max-width: 100%;
  border-radius: 8px;
  margin-top: 8px;
}

.admin-form-row {
  display: flex;
  gap: 10px;
  margin-top: 18px;
  flex-wrap: wrap;
}

.admin-status-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.72rem;
  color: var(--sx-muted);
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(30, 41, 59, 0.5);
  border: 1px solid var(--sx-border);
}

.admin-inventory-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  font-size: 0.85rem;
}

.admin-inventory-list li {
  display: flex;
  align-items: center;
  gap: 6px;
}

.admin-section-panel {
  margin-bottom: 24px;
}

.admin-dashboard-warn {
  font-size: 0.82rem;
  color: var(--sx-gold);
  background: rgba(251, 191, 36, 0.08);
  border: 1px solid rgba(251, 191, 36, 0.22);
  padding: 12px 14px;
  border-radius: 12px;
  margin-bottom: 18px;
}

/* ── Mobile ── */
@media (max-width: 900px) {
  .admin-sidebar {
    transform: translateX(-100%);
  }

  .admin-sidebar.open {
    transform: translateX(0);
  }

  .admin-main {
    margin-left: 0;
  }

  .admin-menu-toggle {
    display: inline-flex;
  }

  .admin-content {
    padding: 16px;
  }
}

.admin-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 35;
}

.admin-overlay.open {
  display: block;
}

/* Advertising Hub — campaign review */
.admin-section-head {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px; flex-wrap: wrap; margin-bottom: 12px;
}
.admin-section-head .admin-section-title { margin: 0; }
.admin-filters input {
  padding: 8px 10px; border-radius: 8px; border: 1px solid var(--sx-border, rgba(148,163,184,.3));
  background: rgba(2,6,23,.6); color: var(--sx-text, #e2e8f0); min-width: 200px;
}
.admin-pagination {
  display: flex; align-items: center; justify-content: flex-end; gap: 12px; margin-top: 14px;
}
.admin-pagination .admin-btn:disabled { opacity: .45; cursor: not-allowed; }
.admin-badge.pending_review, .admin-badge.needs_changes, .admin-badge.pending_payment { background: rgba(245,200,66,.15); color: #f5c842; }
.admin-badge.approved, .admin-badge.paid, .admin-badge.scheduled, .admin-badge.running { background: rgba(52,211,153,.15); color: #34d399; }
.admin-badge.rejected, .admin-badge.auto_validation_failed, .admin-badge.cancelled, .admin-badge.refunded { background: rgba(255,107,91,.15); color: #ff6b5b; }
.admin-badge.paused, .admin-badge.expired, .admin-badge.archived, .admin-badge.draft { background: rgba(148,163,184,.15); color: #94a3b8; }
.admin-toast {
  position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%) translateY(20px);
  background: rgba(15,23,42,.96); border: 1px solid var(--sx-border, rgba(148,163,184,.3)); color: #e2e8f0;
  padding: 12px 20px; border-radius: 10px; font-size: .85rem; z-index: 9999; opacity: 0; pointer-events: none;
  transition: opacity .25s, transform .25s; box-shadow: 0 10px 30px rgba(0,0,0,.4);
}
.admin-toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.admin-toast.error { border-color: rgba(255,107,91,.5); }