/* admin.css - K-Architecture Admin Panel v2 */
* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --bg-primary: #18181B;
  --bg-secondary: #27272A;
  --bg-tertiary: #3F3F46;
  --bg-card: #1F1F23;
  --gold: #C9A84C;
  --gold-light: #E8D5A0;
  --text-primary: #F4F4F5;
  --text-secondary: #A1A1AA;
  --text-tertiary: #71717A;
  --border: #3F3F46;
  --success: #22C55E;
  --error: #EF4444;
  --warning: #F59E0B;
  --info: #3B82F6;
  --radius: 8px;
  --sidebar-width: 240px;
}

html, body {
  height: 100%;
  font-family: 'DM Sans', -apple-system, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  font-size: 14px;
}

/* Scrollbar */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: var(--bg-tertiary); border-radius: 3px; }

/* Sidebar */
.admin-sidebar {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: var(--sidebar-width);
  background: var(--bg-secondary);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  z-index: 100;
}

.admin-logo {
  font-family: 'Cormorant Garamond', serif;
  font-size: 22px;
  padding: 24px 20px;
  border-bottom: 1px solid var(--border);
  letter-spacing: 2px;
}

.admin-logo span { color: var(--gold); }
.admin-logo-sub { font-size: 11px; color: var(--text-tertiary); letter-spacing: 1px; font-family: 'DM Sans', sans-serif; }

.admin-nav { flex: 1; padding: 12px 0; overflow-y: auto; }

.admin-nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 20px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
  font-size: 13px;
  border-left: 2px solid transparent;
}

.admin-nav-item:hover { color: var(--text-primary); background: rgba(255,255,255,0.03); }

.admin-nav-item.active {
  color: var(--gold);
  background: rgba(201,168,76,0.08);
  border-left-color: var(--gold);
}

.admin-nav-item i { font-size: 18px; width: 20px; text-align: center; }

.admin-sidebar-footer { padding: 16px 20px; border-top: 1px solid var(--border); }

.admin-preview-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 13px;
  padding: 8px 12px;
  border-radius: var(--radius);
  transition: all 0.2s;
}

.admin-preview-btn:hover { color: var(--gold); background: rgba(201,168,76,0.08); }

/* Main area */
.admin-main {
  margin-left: var(--sidebar-width);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.admin-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 32px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-primary);
  position: sticky;
  top: 0;
  z-index: 50;
}

.admin-header h1 {
  font-family: 'Cormorant Garamond', serif;
  font-size: 28px;
  font-weight: 500;
}

.admin-header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.admin-status {
  font-size: 12px;
  color: var(--text-tertiary);
  padding: 4px 12px;
  background: var(--bg-secondary);
  border-radius: 20px;
}

/* Buttons */
.admin-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  background: var(--gold);
  color: #18181B;
  border: none;
  border-radius: var(--radius);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  font-family: inherit;
}

.admin-btn:hover { background: var(--gold-light); transform: translateY(-1px); }
.admin-btn:active { transform: translateY(0); }
.admin-btn-secondary { background: var(--bg-tertiary); color: var(--text-primary); }
.admin-btn-secondary:hover { background: var(--border); }
.admin-btn-danger { background: var(--error); color: white; }
.admin-btn-danger:hover { background: #DC2626; }
.admin-btn-sm { padding: 6px 12px; font-size: 12px; }

.admin-btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }

/* Content */
.admin-content {
  padding: 32px;
  flex: 1;
}

.admin-loading {
  text-align: center;
  padding: 60px;
  color: var(--text-tertiary);
  font-size: 15px;
}

/* Section title */
.admin-section-desc {
  color: var(--text-secondary);
  margin-bottom: 24px;
  font-size: 14px;
}

/* Image Grid */
.admin-image-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

.admin-image-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all 0.3s ease;
  position: relative;
}

.admin-image-card:hover {
  border-color: var(--gold);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.3);
}

.admin-image-card-img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  background: var(--bg-secondary);
  display: block;
}

.admin-image-card-body {
  padding: 16px;
}

.admin-image-card-label {
  font-weight: 500;
  margin-bottom: 4px;
  font-size: 14px;
}

.admin-image-card-path {
  font-size: 11px;
  color: var(--text-tertiary);
  font-family: monospace;
  word-break: break-all;
  margin-bottom: 12px;
}

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

/* Hero card (full width) */
.admin-hero-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.admin-hero-card-img {
  width: 100%;
  max-height: 300px;
  object-fit: cover;
  display: block;
  background: var(--bg-secondary);
}

.admin-hero-card-body {
  padding: 24px;
}

.admin-hero-card-body h3 {
  font-size: 18px;
  margin-bottom: 8px;
}

.admin-hero-card-body p {
  color: var(--text-secondary);
  margin-bottom: 16px;
  font-size: 13px;
}

.admin-hero-card-body .admin-image-card-actions {
  margin-top: 12px;
}

/* Modal */
.admin-modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.admin-modal.active {
  opacity: 1;
  pointer-events: all;
}

.admin-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.7);
}

.admin-modal-content {
  position: relative;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 12px;
  width: 90%;
  max-width: 520px;
  max-height: 90vh;
  overflow-y: auto;
  transform: scale(0.95) translateY(10px);
  transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.admin-modal.active .admin-modal-content {
  transform: scale(1) translateY(0);
}

.admin-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
}

.admin-modal-header h2 {
  font-size: 18px;
  font-weight: 500;
}

.admin-modal-close {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: none;
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}

.admin-modal-close:hover { background: var(--error); color: white; }

.admin-modal-content form { padding: 24px; }

.admin-form-group {
  margin-bottom: 20px;
}

.admin-form-group label {
  display: block;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.admin-form-group input,
.admin-form-group select {
  width: 100%;
  padding: 10px 14px;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-size: 14px;
  font-family: inherit;
  transition: border-color 0.2s;
}

.admin-form-group input:focus,
.admin-form-group select:focus {
  border-color: var(--gold);
  outline: none;
  box-shadow: 0 0 0 2px rgba(201,168,76,0.15);
}

/* Dropzone */
.admin-dropzone {
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 40px 20px;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s;
  position: relative;
}

.admin-dropzone:hover { border-color: var(--gold); background: rgba(201,168,76,0.04); }
.admin-dropzone.dragover { border-color: var(--gold); background: rgba(201,168,76,0.08); }
.admin-dropzone i { font-size: 36px; color: var(--text-tertiary); margin-bottom: 12px; display: block; }
.admin-dropzone p { color: var(--text-secondary); font-size: 13px; }

.admin-preview-img {
  margin-top: 12px;
  display: none;
}

.admin-preview-img img {
  max-width: 100%;
  max-height: 150px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.admin-preview-img.has-image { display: block; }

.admin-form-actions {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}

/* Toast */
.admin-toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  padding: 12px 20px;
  border-radius: var(--radius);
  color: white;
  font-size: 13px;
  z-index: 300;
  transform: translateX(120%);
  transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  box-shadow: 0 8px 24px rgba(0,0,0,0.4);
}

.admin-toast.show { transform: translateX(0); }
.admin-toast.success { background: var(--success); }
.admin-toast.error { background: var(--error); }
.admin-toast.info { background: var(--gold); color: #18181B; }

/* Empty state */
.admin-empty {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-tertiary);
}

.admin-empty i { font-size: 48px; margin-bottom: 16px; display: block; }
.admin-empty p { font-size: 15px; }

/* --- Stats Grid --- */
.admin-stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 32px;
}

.admin-stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  text-align: center;
  transition: all 0.3s ease;
}

.admin-stat-card:hover { border-color: var(--gold); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,0,0,0.3); }
.admin-stat-highlight { border-color: var(--error) !important; animation: adminPulse 2s infinite; }
.admin-stat-highlight .admin-stat-num { color: var(--error); }
@keyframes adminPulse { 0%,100% { box-shadow: 0 0 0 0 rgba(239,68,68,0.2); } 50% { box-shadow: 0 0 0 8px rgba(239,68,68,0); } }

.admin-stat-card i { font-size: 28px; color: var(--gold); margin-bottom: 12px; display: block; }

.admin-stat-num { font-size: 32px; font-weight: 600; font-family: 'DM Sans', sans-serif; margin-bottom: 4px; }

.admin-stat-label { font-size: 12px; color: var(--text-tertiary); text-transform: uppercase; letter-spacing: 1px; }

/* --- Dashboard Split --- */
.admin-dash-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.admin-dash-section h3 { font-size: 16px; margin-bottom: 16px; display: flex; align-items: center; gap: 8px; color: var(--text-secondary); }

.admin-dash-section h3 i { color: var(--gold); }

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

/* --- Tables --- */
.admin-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 13px;
}

.admin-table th {
  text-align: left;
  padding: 10px 12px;
  font-weight: 500;
  color: var(--text-tertiary);
  text-transform: uppercase;
  font-size: 11px;
  letter-spacing: 0.5px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-secondary);
}

.admin-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  color: var(--text-primary);
}

.admin-table tr:hover td { background: rgba(255,255,255,0.02); }

.admin-table code { font-size: 11px; color: var(--text-secondary); }

/* --- Badges --- */
.admin-badge {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.admin-badge.admin { background: rgba(201,168,76,0.15); color: var(--gold); border: 1px solid rgba(201,168,76,0.3); }

.admin-badge.user { background: rgba(59,130,246,0.15); color: var(--info); border: 1px solid rgba(59,130,246,0.3); }

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

/* --- Tabs --- */
.admin-section-tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.admin-tab {
  padding: 8px 16px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 12px;
  text-transform: capitalize;
  transition: all 0.2s;
  font-family: inherit;
}

.admin-tab:hover { border-color: var(--gold); color: var(--text-primary); }

.admin-tab.active { background: var(--gold); color: #18181B; border-color: var(--gold); }

/* --- Settings --- */
.admin-settings-section {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 20px;
}

.admin-settings-section h3 {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 16px;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}

.admin-settings-section h3 i { color: var(--gold); }

.admin-settings-section .admin-form-group { max-width: 500px; }

/* --- Actions Cell --- */
.admin-actions-cell { white-space: nowrap; }

/* --- Session Info --- */
.admin-session-info {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  margin-bottom: 8px;
  font-size: 13px;
  color: var(--text-secondary);
  border-radius: var(--radius);
  background: var(--bg-tertiary);
}

.admin-session-info i { font-size: 18px; color: var(--gold); }

/* --- Messages --- */
.admin-msg-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 20px;
  margin-bottom: 12px;
  transition: all 0.2s ease;
}
.admin-msg-card:hover { border-color: var(--gold); }
.admin-msg-unread { border-left: 3px solid var(--gold); }
.admin-msg-header { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 8px; flex-wrap: wrap; gap: 8px; }
.admin-msg-meta { font-size: 11px; color: var(--text-tertiary); }
.admin-msg-body { color: var(--text-secondary); font-size: 13px; margin-bottom: 8px; white-space: pre-wrap; }
.admin-msg-email { font-size: 11px; color: var(--text-tertiary); margin-bottom: 8px; }
.admin-msg-reply { background: var(--bg-secondary); padding: 10px 14px; border-radius: var(--radius); font-size: 13px; color: var(--gold); margin-bottom: 8px; border-left: 2px solid var(--gold); }
.admin-msg-actions { display: flex; gap: 8px; margin-top: 8px; }

/* --- Responsive --- */
@media (max-width: 768px) {
  .admin-sidebar { width: 60px; }
  .admin-sidebar .admin-logo { font-size: 16px; padding: 20px 14px; }
  .admin-logo-sub { display: none; }
  .admin-nav-item span { display: none; }
  .admin-nav-item { padding: 14px; justify-content: center; }
  .admin-nav-item i { margin: 0; }
  .admin-sidebar-footer .admin-preview-btn span { display: none; }
  .admin-session-info span { display: none; }
  .admin-main { margin-left: 60px; }
  .admin-header { padding: 16px; flex-direction: column; gap: 12px; align-items: flex-start; }
  .admin-header h1 { font-size: 22px; }
  .admin-content { padding: 16px; }
  .admin-image-grid { grid-template-columns: 1fr; }
  .admin-stats-grid { grid-template-columns: 1fr 1fr; }
}