/* ==============================================
   ZALVICE ADMIN PANEL - UNIFIED STYLES
   Modern, Clean Admin Dashboard Design
   ============================================== */

/* ============ CSS Variables ============ */
:root {
  --admin-primary: #6366f1;
  --admin-primary-hover: #4f46e5;
  --admin-primary-light: rgba(99, 102, 241, 0.1);
  --admin-success: #10b981;
  --admin-warning: #f59e0b;
  --admin-danger: #ef4444;
  --admin-info: #0ea5e9;
  --admin-bg: #f8fafc;
  --admin-card-bg: #ffffff;
  --admin-border: #e2e8f0;
  --admin-text: #1e293b;
  --admin-text-muted: #64748b;
  --admin-text-light: #94a3b8;
  --admin-shadow: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
  --admin-shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
  --admin-radius: 12px;
  --admin-radius-sm: 8px;
  --admin-transition: all 0.2s ease;
}

/* ============ Base Admin Page ============ */
.admin-page {
  padding: 2rem 0;
  background: var(--admin-bg);
  min-height: 100vh;
}

/* ============ Admin Sidebar ============ */
.admin-sidebar {
  background: var(--admin-card-bg);
  border-radius: var(--admin-radius);
  padding: 1.5rem;
  box-shadow: var(--admin-shadow);
  border: 1px solid var(--admin-border);
  position: sticky;
  top: 100px;
}

.sidebar-title {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--admin-text-muted);
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--admin-border);
}

.sidebar-menu {
  list-style: none;
  padding: 0;
  margin: 0;
}

.sidebar-menu li {
  margin-bottom: 0.25rem;
}

.sidebar-menu li.mt-3 {
  margin-top: 1rem !important;
  padding-top: 1rem !important;
}

.sidebar-menu a {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  color: var(--admin-text);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  border-radius: var(--admin-radius-sm);
  transition: var(--admin-transition);
}

.sidebar-menu a:hover {
  background: var(--admin-primary-light);
  color: var(--admin-primary);
}

.sidebar-menu a.active {
  background: var(--admin-primary);
  color: white;
}

.sidebar-menu a i {
  font-size: 1.1rem;
  width: 20px;
  text-align: center;
}

.sidebar-menu a.text-danger:hover {
  background: rgba(239, 68, 68, 0.1);
  color: var(--admin-danger);
}

/* ============ Admin Card ============ */
.admin-card {
  background: var(--admin-card-bg);
  border-radius: var(--admin-radius);
  box-shadow: var(--admin-shadow);
  border: 1px solid var(--admin-border);
  overflow: hidden;
}

.admin-card .card-body {
  padding: 1.5rem;
}

.admin-card-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--admin-text);
  margin: 0;
}

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

/* ============ Admin Table ============ */
.admin-table {
  margin: 0;
  font-size: 0.875rem;
}

.admin-table thead th {
  background: var(--admin-bg);
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--admin-text-muted);
  padding: 1rem;
  border-bottom: 2px solid var(--admin-border);
  white-space: nowrap;
}

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

.admin-table tbody tr:hover {
  background: var(--admin-bg);
}

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

/* Table Thumbnails */
.admin-table .thumb-img {
  width: 56px;
  height: 40px;
  object-fit: cover;
  border-radius: var(--admin-radius-sm);
  border: 1px solid var(--admin-border);
}

.admin-table .thumb-placeholder {
  width: 56px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--admin-bg);
  border-radius: var(--admin-radius-sm);
  color: var(--admin-text-light);
}

/* Table Title Column */
.admin-table .title-col {
  max-width: 300px;
}

.admin-table .title-main {
  font-weight: 600;
  color: var(--admin-text);
  display: block;
  margin-bottom: 0.25rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.admin-table .title-sub {
  font-size: 0.75rem;
  color: var(--admin-text-muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ============ Action Buttons ============ */
.action-buttons {
  display: flex;
  gap: 0.5rem;
  flex-wrap: nowrap;
}

.btn-action {
  width: 36px;
  height: 36px;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--admin-radius-sm);
  border: 1px solid var(--admin-border);
  background: var(--admin-card-bg);
  color: var(--admin-text-muted);
  transition: var(--admin-transition);
  flex-shrink: 0;
}

.btn-action:hover {
  transform: translateY(-2px);
  box-shadow: var(--admin-shadow);
}

.btn-action.btn-edit:hover {
  background: var(--admin-primary-light);
  border-color: var(--admin-primary);
  color: var(--admin-primary);
}

.btn-action.btn-view:hover {
  background: rgba(14, 165, 233, 0.1);
  border-color: var(--admin-info);
  color: var(--admin-info);
}

.btn-action.btn-delete:hover {
  background: rgba(239, 68, 68, 0.1);
  border-color: var(--admin-danger);
  color: var(--admin-danger);
}

/* ============ Badges ============ */
.admin-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 9999px;
  text-transform: capitalize;
}

.admin-badge.badge-success {
  background: rgba(16, 185, 129, 0.15);
  color: #059669;
}

.admin-badge.badge-warning {
  background: rgba(245, 158, 11, 0.15);
  color: #d97706;
}

.admin-badge.badge-secondary {
  background: var(--admin-bg);
  color: var(--admin-text-muted);
}

.admin-badge.badge-primary {
  background: var(--admin-primary-light);
  color: var(--admin-primary);
}

/* ============ Primary Button ============ */
.btn-admin-primary {
  background: var(--admin-primary);
  color: white;
  border: none;
  padding: 0.625rem 1.25rem;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: var(--admin-radius-sm);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: var(--admin-transition);
  white-space: nowrap;
}

.btn-admin-primary:hover {
  background: var(--admin-primary-hover);
  color: white;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.btn-admin-secondary {
  background: var(--admin-card-bg);
  color: var(--admin-text);
  border: 1px solid var(--admin-border);
  padding: 0.625rem 1.25rem;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: var(--admin-radius-sm);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: var(--admin-transition);
  white-space: nowrap;
}

.btn-admin-secondary:hover {
  background: var(--admin-bg);
  color: var(--admin-text);
  border-color: var(--admin-text-muted);
}

/* ============ Empty State ============ */
.empty-state {
  text-align: center;
  padding: 4rem 2rem;
}

.empty-state-icon {
  width: 80px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--admin-bg);
  border-radius: 50%;
  margin: 0 auto 1.5rem;
}

.empty-state-icon i {
  font-size: 2rem;
  color: var(--admin-text-light);
}

.empty-state-title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--admin-text);
  margin-bottom: 0.5rem;
}

.empty-state-text {
  color: var(--admin-text-muted);
  margin-bottom: 1.5rem;
}

/* ============ Form Styles ============ */
.admin-form .form-label {
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--admin-text);
  margin-bottom: 0.5rem;
}

.admin-form .form-control,
.admin-form .form-select {
  border: 1px solid var(--admin-border);
  border-radius: var(--admin-radius-sm);
  padding: 0.75rem 1rem;
  font-size: 0.9rem;
  transition: var(--admin-transition);
}

.admin-form .form-control:focus,
.admin-form .form-select:focus {
  border-color: var(--admin-primary);
  box-shadow: 0 0 0 3px var(--admin-primary-light);
}

.admin-form .form-text {
  font-size: 0.8rem;
  color: var(--admin-text-muted);
  margin-top: 0.375rem;
}

.admin-form .form-section {
  border-bottom: 1px solid var(--admin-border);
  padding-bottom: 1.5rem;
  margin-bottom: 1.5rem;
}

.admin-form .form-section:last-of-type {
  border-bottom: none;
  padding-bottom: 0;
  margin-bottom: 0;
}

.admin-form .form-section-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--admin-text);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.admin-form .form-section-title i {
  color: var(--admin-primary);
}

/* ============ Alert Styles ============ */
.admin-alert {
  border: none;
  border-radius: var(--admin-radius-sm);
  padding: 1rem 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.admin-alert.alert-success {
  background: rgba(16, 185, 129, 0.1);
  color: #059669;
}

.admin-alert.alert-danger {
  background: rgba(239, 68, 68, 0.1);
  color: #dc2626;
}

.admin-alert .btn-close {
  margin-left: auto;
}

/* ============ Responsive ============ */
@media (max-width: 991.98px) {
  .admin-sidebar {
    position: relative;
    top: 0;
    margin-bottom: 1.5rem;
  }
  
  .sidebar-menu {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
  }
  
  .sidebar-menu li {
    margin-bottom: 0;
  }
  
  .sidebar-menu li.mt-3 {
    margin-top: 0 !important;
    padding-top: 0 !important;
    border-top: none !important;
  }
  
  .sidebar-menu a {
    padding: 0.5rem 0.75rem;
    font-size: 0.8rem;
  }
}

@media (max-width: 767.98px) {
  .admin-card .card-body {
    padding: 1rem;
  }
  
  .admin-card-header {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .admin-table thead {
    display: none;
  }
  
  .admin-table tbody tr {
    display: block;
    padding: 1rem;
    margin-bottom: 1rem;
    border: 1px solid var(--admin-border);
    border-radius: var(--admin-radius-sm);
  }
  
  .admin-table tbody td {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0;
    border-bottom: 1px dashed var(--admin-border);
  }
  
  .admin-table tbody td:last-child {
    border-bottom: none;
  }
  
  .admin-table tbody td::before {
    content: attr(data-label);
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
    color: var(--admin-text-muted);
  }
  
  .action-buttons {
    justify-content: flex-end;
    width: 100%;
  }
}