:root {
  --admin-bg: #eef2f8;
  --admin-surface: #ffffff;
  --admin-text: #0f172a;
  --admin-muted: #64748b;
  --admin-primary: #0b57d0;
  --admin-primary-soft: #e8f0fe;
  --admin-accent: #f4b400;
  --admin-border: #dbe3ef;
  --admin-danger: #dc2626;
  --admin-success: #15803d;
  --admin-shadow: 0 12px 30px rgba(15, 23, 42, 0.08);
  --admin-radius: 16px;
  --admin-sidebar: 270px;
}

* {
  box-sizing: border-box;
}

body.admin-body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, "Segoe UI", Arial, sans-serif;
  background: var(--admin-bg);
  color: var(--admin-text);
}

.admin-app {
  display: grid;
  grid-template-columns: var(--admin-sidebar) 1fr;
  min-height: 100vh;
}

.admin-sidebar {
  background: linear-gradient(180deg, #0b2d6b, #0b57d0);
  color: #fff;
  padding: 24px 18px;
  display: flex;
  flex-direction: column;
  gap: 24px;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow: auto;
}

.admin-brand {
  display: flex;
  gap: 12px;
  align-items: center;
}

.admin-brand-icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: rgba(255, 255, 255, 0.16);
  font-weight: 900;
}

.admin-brand small {
  display: block;
  opacity: 0.85;
  font-size: 0.78rem;
  line-height: 1.3;
}

.admin-nav {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.admin-nav a {
  color: rgba(255, 255, 255, 0.92);
  text-decoration: none;
  padding: 12px 14px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  font-weight: 700;
}

.admin-nav a span:first-child {
  margin-right: 8px;
}

.admin-nav a:hover,
.admin-nav a.active {
  background: rgba(255, 255, 255, 0.14);
}

.admin-nav em {
  font-style: normal;
  font-size: 0.78rem;
  background: rgba(255, 255, 255, 0.18);
  padding: 2px 8px;
  border-radius: 999px;
}

.admin-nav em.badge-warn {
  background: var(--admin-accent);
  color: #111827;
}

.admin-sidebar-footer {
  margin-top: auto;
  display: grid;
  gap: 10px;
}

.admin-main {
  min-width: 0;
}

.admin-topbar {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px 28px;
  background: var(--admin-surface);
  border-bottom: 1px solid var(--admin-border);
  position: sticky;
  top: 0;
  z-index: 10;
}

.admin-topbar h1 {
  margin: 0;
  font-size: 1.35rem;
}

.admin-menu-toggle {
  display: none;
  border: 1px solid var(--admin-border);
  background: var(--admin-surface);
  border-radius: 12px;
  width: 42px;
  height: 42px;
  cursor: pointer;
}

.admin-content {
  padding: 28px;
}

.admin-alert {
  padding: 14px 16px;
  border-radius: 12px;
  margin-bottom: 20px;
  font-weight: 700;
}

.admin-alert-success {
  background: #dcfce7;
  color: var(--admin-success);
}

.admin-alert-error {
  background: #fee2e2;
  color: var(--admin-danger);
}

.admin-grid {
  display: grid;
  gap: 20px;
}

.admin-grid-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.admin-grid-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.admin-card {
  background: var(--admin-surface);
  border: 1px solid var(--admin-border);
  border-radius: var(--admin-radius);
  box-shadow: var(--admin-shadow);
  padding: 22px;
}

.admin-stat {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.admin-stat strong {
  font-size: 2rem;
  line-height: 1;
  color: var(--admin-primary);
}

.admin-stat span {
  color: var(--admin-muted);
  font-weight: 600;
}

.admin-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.admin-toolbar h2 {
  margin: 0;
  font-size: 1.15rem;
}

.admin-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 12px;
  padding: 11px 16px;
  font-weight: 800;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  font: inherit;
}

.admin-btn-primary {
  background: var(--admin-primary);
  color: #fff;
}

.admin-btn-secondary {
  background: var(--admin-primary-soft);
  color: var(--admin-primary);
}

.admin-btn-ghost {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.2);
}

.admin-btn-danger {
  background: #fee2e2;
  color: var(--admin-danger);
}

.admin-btn-sm {
  padding: 8px 12px;
  font-size: 0.88rem;
}

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

.admin-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 720px;
}

.admin-table th,
.admin-table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--admin-border);
  text-align: left;
  vertical-align: top;
}

.admin-table th {
  background: #f8fafc;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--admin-muted);
}

.admin-table tr:last-child td {
  border-bottom: 0;
}

.admin-form {
  display: grid;
  gap: 14px;
}

.admin-form label {
  font-weight: 700;
  font-size: 0.92rem;
}

.admin-form input,
.admin-form textarea,
.admin-form select {
  width: 100%;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--admin-border);
  font: inherit;
  background: #fff;
}

.admin-form textarea {
  min-height: 160px;
  resize: vertical;
}

.admin-form-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.admin-check {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
}

.admin-check input {
  width: auto;
}

.admin-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.admin-pill {
  display: inline-flex;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 800;
}

.admin-pill-success {
  background: #dcfce7;
  color: var(--admin-success);
}

.admin-pill-muted {
  background: #f1f5f9;
  color: var(--admin-muted);
}

.admin-gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 18px;
}

.admin-gallery-card img {
  width: 100%;
  height: 170px;
  object-fit: cover;
  border-radius: 12px;
  background: #f1f5f9;
  margin-bottom: 12px;
}

.admin-empty {
  text-align: center;
  color: var(--admin-muted);
  padding: 40px 20px;
}

.admin-message {
  border: 1px solid var(--admin-border);
  border-radius: 14px;
  padding: 16px;
  background: #fff;
}

.admin-message.unread {
  border-color: #93c5fd;
  background: #f8fbff;
}

.admin-message header {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  justify-content: space-between;
  margin-bottom: 10px;
}

.admin-login-wrap {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
  background: linear-gradient(135deg, #0b2d6b, #0b57d0);
}

.admin-login-card {
  width: min(440px, 100%);
  background: #fff;
  border-radius: 20px;
  padding: 28px;
  box-shadow: var(--admin-shadow);
}

.admin-login-card h1 {
  margin-top: 0;
}

@media (max-width: 1100px) {
  .admin-grid-4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

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

  .admin-sidebar {
    position: fixed;
    left: 0;
    top: 0;
    width: min(88vw, 300px);
    transform: translateX(-105%);
    transition: transform 0.2s ease;
    z-index: 40;
  }

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

  .admin-menu-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .admin-form-row,
  .admin-grid-2,
  .admin-grid-4 {
    grid-template-columns: 1fr;
  }

  .admin-content {
    padding: 18px;
  }
}