/* ============================================
   Sunbelt Plumbing — Admin Panel Styles
   Clean, functional UI for non-technical use.
   ============================================ */

:root {
  --admin-primary: #0f4c81;
  --admin-primary-dark: #0a2540;
  --admin-accent: #f5b720;
  --admin-danger: #dc2626;
  --admin-success: #16a34a;
  --admin-warning: #f59e0b;
  --admin-bg: #f1f5f9;
  --admin-card: #ffffff;
  --admin-border: #e2e8f0;
  --admin-text: #0f172a;
  --admin-muted: #64748b;
  --admin-radius: 10px;
  --admin-shadow: 0 1px 3px rgba(15, 23, 42, 0.08), 0 1px 2px rgba(15, 23, 42, 0.04);
  --admin-shadow-lg: 0 10px 25px rgba(15, 23, 42, 0.1), 0 4px 10px rgba(15, 23, 42, 0.05);
}

* { box-sizing: border-box; }

body.admin-body {
  margin: 0;
  background: var(--admin-bg);
  color: var(--admin-text);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 15px;
  line-height: 1.5;
  min-height: 100vh;
}

/* ---------- Login page ---------- */
.admin-login-wrap {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 2rem 1rem;
  background: linear-gradient(135deg, #0a2540 0%, #0f4c81 100%);
}

.admin-login-card {
  background: #fff;
  border-radius: 16px;
  padding: 2.5rem;
  width: 100%;
  max-width: 420px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.admin-login-logo {
  text-align: center;
  margin-bottom: 1.5rem;
}

.admin-login-logo img {
  height: 50px;
  width: auto;
}

.admin-login-card h1 {
  font-family: 'Manrope', sans-serif;
  font-size: 1.5rem;
  margin: 0 0 0.5rem 0;
  text-align: center;
  color: var(--admin-primary-dark);
}

.admin-login-card .subtitle {
  text-align: center;
  color: var(--admin-muted);
  margin: 0 0 2rem 0;
  font-size: 0.9375rem;
}

/* ---------- Form controls ---------- */
.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.375rem;
  font-size: 0.875rem;
  color: var(--admin-text);
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="url"],
.form-group input[type="tel"],
.form-group input[type="number"],
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.625rem 0.875rem;
  border: 1px solid var(--admin-border);
  border-radius: 8px;
  font-size: 0.9375rem;
  font-family: inherit;
  transition: border-color 0.15s, box-shadow 0.15s;
  background: #fff;
  color: var(--admin-text);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--admin-primary);
  box-shadow: 0 0 0 3px rgba(15, 76, 129, 0.15);
}

.form-group textarea {
  resize: vertical;
  min-height: 90px;
}

.form-group .hint {
  font-size: 0.8125rem;
  color: var(--admin-muted);
  margin-top: 0.375rem;
}

/* ---------- Buttons ---------- */
.btn-admin {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.625rem 1.25rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.9375rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.15s;
  text-decoration: none;
  font-family: inherit;
}

.btn-admin:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

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

.btn-admin-primary:hover:not(:disabled) {
  background: var(--admin-primary-dark);
  border-color: var(--admin-primary-dark);
}

.btn-admin-secondary {
  background: #fff;
  color: var(--admin-text);
  border-color: var(--admin-border);
}

.btn-admin-secondary:hover:not(:disabled) {
  background: var(--admin-bg);
  border-color: var(--admin-muted);
}

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

.btn-admin-danger:hover:not(:disabled) {
  background: #b91c1c;
}

.btn-admin-full {
  width: 100%;
}

.btn-admin-small {
  padding: 0.375rem 0.75rem;
  font-size: 0.8125rem;
}

/* ---------- Alerts ---------- */
.alert {
  padding: 0.875rem 1rem;
  border-radius: 8px;
  margin-bottom: 1rem;
  font-size: 0.9375rem;
  border: 1px solid transparent;
}

.alert-success {
  background: #dcfce7;
  color: #14532d;
  border-color: #86efac;
}

.alert-error {
  background: #fee2e2;
  color: #7f1d1d;
  border-color: #fca5a5;
}

.alert-info {
  background: #dbeafe;
  color: #1e3a8a;
  border-color: #93c5fd;
}

.alert-warning {
  background: #fef3c7;
  color: #78350f;
  border-color: #fcd34d;
}

/* ---------- App shell (after login) ---------- */
.admin-shell {
  display: grid;
  grid-template-columns: 240px 1fr;
  min-height: 100vh;
}

.admin-sidebar {
  background: var(--admin-primary-dark);
  color: #fff;
  padding: 1.5rem 1rem;
  display: flex;
  flex-direction: column;
}

.admin-sidebar-logo {
  padding: 0 0.5rem 1.5rem 0.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  margin-bottom: 1rem;
}

.admin-sidebar-logo img {
  height: 36px;
  width: auto;
}

.admin-sidebar-logo-text {
  font-family: 'Manrope', sans-serif;
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.6);
  margin-top: 0.5rem;
}

.admin-nav {
  list-style: none;
  padding: 0;
  margin: 0;
  flex: 1;
}

.admin-nav li {
  margin-bottom: 0.25rem;
}

.admin-nav a {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  padding: 0.625rem 0.875rem;
  border-radius: 8px;
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  font-size: 0.9375rem;
  font-weight: 500;
  transition: background 0.15s, color 0.15s;
}

.admin-nav a:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
}

.admin-nav a.active {
  background: var(--admin-primary);
  color: #fff;
}

.admin-nav svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.admin-sidebar-footer {
  padding-top: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.admin-user-info {
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.5);
  padding: 0.5rem 0.875rem;
  word-break: break-all;
}

.admin-logout-btn {
  width: 100%;
  padding: 0.5rem 0.875rem;
  background: transparent;
  color: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 8px;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  font-family: inherit;
  transition: all 0.15s;
}

.admin-logout-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.3);
}

/* ---------- Main content area ---------- */
.admin-main {
  padding: 2rem;
  overflow-x: hidden;
}

.admin-page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.admin-page-header h1 {
  font-family: 'Manrope', sans-serif;
  margin: 0;
  font-size: 1.625rem;
  color: var(--admin-primary-dark);
}

.admin-page-header .subtitle {
  color: var(--admin-muted);
  margin: 0.25rem 0 0 0;
  font-size: 0.9375rem;
}

/* ---------- Cards / panels ---------- */
.admin-card {
  background: var(--admin-card);
  border-radius: var(--admin-radius);
  box-shadow: var(--admin-shadow);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  border: 1px solid var(--admin-border);
}

.admin-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--admin-border);
  flex-wrap: wrap;
  gap: 0.5rem;
}

.admin-card-header h2 {
  font-family: 'Manrope', sans-serif;
  font-size: 1.125rem;
  margin: 0;
  color: var(--admin-primary-dark);
}

/* ---------- Dashboard tiles ---------- */
.admin-tiles {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}

.admin-tile {
  background: var(--admin-card);
  border-radius: var(--admin-radius);
  padding: 1.25rem;
  border: 1px solid var(--admin-border);
  box-shadow: var(--admin-shadow);
  transition: all 0.15s;
  text-decoration: none;
  color: inherit;
  display: block;
}

.admin-tile:hover {
  transform: translateY(-2px);
  box-shadow: var(--admin-shadow-lg);
  border-color: var(--admin-primary);
}

.admin-tile-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--admin-primary), var(--admin-primary-dark));
  color: #fff;
  display: grid;
  place-items: center;
  margin-bottom: 0.875rem;
}

.admin-tile-icon svg { width: 20px; height: 20px; }

.admin-tile h3 {
  margin: 0 0 0.25rem 0;
  font-family: 'Manrope', sans-serif;
  font-size: 1.0625rem;
  color: var(--admin-primary-dark);
}

.admin-tile p {
  margin: 0;
  font-size: 0.875rem;
  color: var(--admin-muted);
  line-height: 1.4;
}

.admin-tile-count {
  display: inline-block;
  margin-top: 0.75rem;
  padding: 0.125rem 0.625rem;
  background: var(--admin-bg);
  border-radius: 999px;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--admin-primary);
}

/* ---------- Tables ---------- */
.admin-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9375rem;
}

.admin-table th {
  text-align: left;
  padding: 0.75rem 0.875rem;
  background: var(--admin-bg);
  color: var(--admin-muted);
  font-weight: 600;
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-bottom: 1px solid var(--admin-border);
}

.admin-table td {
  padding: 0.875rem;
  border-bottom: 1px solid var(--admin-border);
  vertical-align: middle;
}

.admin-table tr:last-child td { border-bottom: none; }

.admin-table tr:hover { background: #fafbfc; }

.admin-table-actions {
  display: flex;
  gap: 0.375rem;
  justify-content: flex-end;
}

/* ---------- Gallery grid (admin) ---------- */
.admin-gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1rem;
}

.admin-gallery-item {
  background: var(--admin-bg);
  border: 1px solid var(--admin-border);
  border-radius: var(--admin-radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: all 0.15s;
}

.admin-gallery-item:hover {
  box-shadow: var(--admin-shadow-lg);
  transform: translateY(-2px);
}

.admin-gallery-thumb {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  display: block;
  background: #e2e8f0;
}

.admin-gallery-item-body {
  padding: 0.75rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.admin-gallery-caption {
  font-size: 0.875rem;
  color: var(--admin-text);
  margin: 0;
  line-height: 1.4;
  min-height: 2.5em;
}

.admin-gallery-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.75rem;
  color: var(--admin-muted);
  margin-top: auto;
}

.admin-gallery-actions {
  display: flex;
  gap: 0.25rem;
  padding-top: 0.5rem;
  border-top: 1px solid var(--admin-border);
  margin-top: 0.25rem;
}

.admin-gallery-actions button {
  flex: 1;
}

/* ---------- Upload dropzone ---------- */
.upload-dropzone {
  border: 2px dashed var(--admin-border);
  border-radius: var(--admin-radius);
  padding: 2rem 1.5rem;
  text-align: center;
  transition: all 0.15s;
  cursor: pointer;
  background: var(--admin-bg);
}

.upload-dropzone:hover,
.upload-dropzone.dragover {
  border-color: var(--admin-primary);
  background: #eff6ff;
}

.upload-dropzone svg {
  width: 36px;
  height: 36px;
  color: var(--admin-primary);
  margin-bottom: 0.5rem;
}

.upload-dropzone .main-text {
  font-weight: 600;
  margin-bottom: 0.25rem;
  color: var(--admin-text);
}

.upload-dropzone .hint {
  font-size: 0.8125rem;
  color: var(--admin-muted);
}

.upload-dropzone input[type="file"] {
  display: none;
}

/* ---------- Empty state ---------- */
.empty-state {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--admin-muted);
}

.empty-state svg {
  width: 48px;
  height: 48px;
  color: #cbd5e1;
  margin-bottom: 0.75rem;
}

.empty-state h3 {
  margin: 0 0 0.5rem 0;
  color: var(--admin-text);
  font-family: 'Manrope', sans-serif;
}

.empty-state p {
  margin: 0;
  font-size: 0.9375rem;
}

/* ---------- Loading spinner ---------- */
.admin-spinner {
  display: inline-block;
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

.admin-spinner-center {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 3rem;
  color: var(--admin-muted);
  gap: 0.5rem;
}

.admin-spinner-center .admin-spinner {
  border-color: rgba(15, 76, 129, 0.2);
  border-top-color: var(--admin-primary);
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ---------- Modal ---------- */
.admin-modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(10, 37, 64, 0.6);
  display: grid;
  place-items: center;
  z-index: 1000;
  padding: 1rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.15s;
}

.admin-modal-backdrop.open {
  opacity: 1;
  pointer-events: auto;
}

.admin-modal {
  background: #fff;
  border-radius: 12px;
  width: 100%;
  max-width: 500px;
  padding: 1.5rem;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
  transform: translateY(20px);
  transition: transform 0.15s;
  max-height: 90vh;
  overflow-y: auto;
}

.admin-modal-backdrop.open .admin-modal {
  transform: translateY(0);
}

.admin-modal h2 {
  font-family: 'Manrope', sans-serif;
  margin: 0 0 1rem 0;
  font-size: 1.25rem;
  color: var(--admin-primary-dark);
}

.admin-modal-actions {
  display: flex;
  gap: 0.5rem;
  justify-content: flex-end;
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--admin-border);
}

/* ---------- Status badges ---------- */
.badge {
  display: inline-block;
  padding: 0.125rem 0.625rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
}

.badge-active {
  background: #dcfce7;
  color: #14532d;
}

.badge-inactive {
  background: #fee2e2;
  color: #7f1d1d;
}

/* ---------- Utility ---------- */
.text-right { text-align: right; }
.text-muted { color: var(--admin-muted); }
.mb-0 { margin-bottom: 0; }
.mt-md { margin-top: 1rem; }
.flex { display: flex; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.gap-sm { gap: 0.5rem; }
.hidden { display: none !important; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .admin-shell {
    grid-template-columns: 1fr;
  }
  .admin-sidebar {
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 0.75rem 1rem;
    flex-direction: row;
    align-items: center;
    gap: 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }
  .admin-sidebar-logo {
    border-bottom: none;
    padding: 0;
    margin: 0;
    flex-shrink: 0;
  }
  .admin-sidebar-logo-text { display: none; }
  .admin-nav {
    display: flex;
    gap: 0.25rem;
    overflow-x: auto;
    white-space: nowrap;
    flex: 1;
  }
  .admin-nav li { margin: 0; }
  .admin-nav a {
    padding: 0.5rem 0.75rem;
    font-size: 0.875rem;
  }
  .admin-sidebar-footer {
    display: none;
  }
  .admin-main { padding: 1rem; }
}