/* ============================================
   المكونات — مدير التوصيل
   Buttons, Cards, Forms, Tables, Badges, etc.
   ============================================ */

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-lg);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  border-radius: var(--radius-lg);
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
  min-height: 40px;
  cursor: pointer;
  user-select: none;
}

.btn svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: currentColor;
  opacity: 0;
  transition: opacity var(--transition-fast);
  border-radius: inherit;
}

.btn:hover::after {
  opacity: 0.08;
}

.btn:active::after {
  opacity: 0.15;
}

.btn:active {
  transform: scale(0.97);
}

/* Ripple effect */
.btn .ripple {
  position: absolute;
  border-radius: 50%;
  background: currentColor;
  opacity: 0.2;
  transform: scale(0);
  animation: ripple-anim 0.6s ease-out forwards;
  pointer-events: none;
}

@keyframes ripple-anim {
  to {
    transform: scale(4);
    opacity: 0;
  }
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-600), var(--primary-500));
  color: #FFFFFF;
  box-shadow: 0 2px 8px rgba(79, 70, 229, 0.25);
}

.btn-primary:hover {
  box-shadow: 0 4px 16px rgba(79, 70, 229, 0.35);
  transform: translateY(-1px);
}

.btn-secondary {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--border-primary);
}

.btn-success {
  background: linear-gradient(135deg, var(--success-600), var(--success-500));
  color: #FFFFFF;
  box-shadow: 0 2px 8px rgba(16, 185, 129, 0.25);
}

.btn-danger {
  background: linear-gradient(135deg, var(--danger-600), var(--danger-500));
  color: #FFFFFF;
  box-shadow: 0 2px 8px rgba(239, 68, 68, 0.25);
}

.btn-warning {
  background: linear-gradient(135deg, var(--warning-600), var(--warning-500));
  color: #FFFFFF;
  box-shadow: 0 2px 8px rgba(245, 158, 11, 0.25);
}

.btn-outline {
  background: transparent;
  color: var(--primary-600);
  border: 1.5px solid var(--primary-300);
}

[data-theme="dark"] .btn-outline {
  color: var(--primary-400);
  border-color: var(--primary-700);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
}

.btn-ghost:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.btn-icon {
  width: 40px;
  height: 40px;
  padding: 0;
  border-radius: var(--radius-lg);
}

.btn-sm {
  min-height: 32px;
  padding: var(--spacing-xs) var(--spacing-md);
  font-size: var(--font-size-xs);
}

.btn-lg {
  min-height: 48px;
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: var(--font-size-md);
}

.btn-block {
  width: 100%;
}

/* ── Cards ── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-secondary);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.card:hover {
  box-shadow: var(--shadow-md);
}

.card-elevated {
  box-shadow: var(--shadow-md);
}

.card-elevated:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.card-glass {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-lg);
}

.card-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
}

.card-subtitle {
  font-size: var(--font-size-sm);
  color: var(--text-tertiary);
  margin-top: var(--spacing-xs);
}

.card-body {
  position: relative;
}

.card-footer {
  margin-top: var(--spacing-lg);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--border-secondary);
}

/* Stat Card */
.stat-card {
  position: relative;
  overflow: hidden;
}

.stat-card .stat-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  flex-shrink: 0;
}

.stat-card .stat-value {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-extrabold);
  color: var(--text-primary);
  direction: ltr;
  unicode-bidi: isolate;
  line-height: 1.2;
}

.stat-card .stat-label {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  font-weight: var(--font-weight-medium);
}

.stat-card .stat-trend {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  padding: 2px 8px;
  border-radius: var(--radius-full);
}

.stat-trend.up {
  color: var(--success-600);
  background: var(--success-50);
}

.stat-trend.down {
  color: var(--danger-600);
  background: var(--danger-50);
}

[data-theme="dark"] .stat-trend.up {
  color: var(--success-400);
  background: rgba(16, 185, 129, 0.15);
}

[data-theme="dark"] .stat-trend.down {
  color: var(--danger-400);
  background: rgba(239, 68, 68, 0.15);
}

/* ── Forms ── */
.form-group {
  margin-bottom: var(--spacing-lg);
  position: relative;
}

.form-label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--text-secondary);
  margin-bottom: var(--spacing-sm);
}

.form-control {
  width: 100%;
  padding: var(--spacing-md) var(--spacing-base);
  background: var(--bg-input);
  border: 1.5px solid var(--border-primary);
  border-radius: var(--radius-lg);
  font-size: var(--font-size-base);
  color: var(--text-primary);
  transition: all var(--transition-fast);
  min-height: 44px;
}

.form-control:focus {
  border-color: var(--primary-500);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.15);
}

[data-theme="dark"] .form-control:focus {
  box-shadow: 0 0 0 3px rgba(129, 140, 248, 0.2);
}

.form-control::placeholder {
  color: var(--text-tertiary);
}

textarea.form-control {
  resize: vertical;
  min-height: 100px;
}

select.form-control {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2364748B' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: left 12px center;
  padding-left: 36px;
}

.form-error {
  font-size: var(--font-size-xs);
  color: var(--danger-500);
  margin-top: var(--spacing-xs);
  display: none;
}

.form-group.error .form-control {
  border-color: var(--danger-500);
}

.form-group.error .form-error {
  display: block;
}

/* ── Tables ── */
.table-container {
  overflow-x: auto;
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-secondary);
}

.table {
  width: 100%;
  border-collapse: collapse;
}

.table th {
  background: var(--bg-tertiary);
  padding: var(--spacing-md) var(--spacing-base);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  text-align: start;
  white-space: nowrap;
  border-bottom: 1px solid var(--border-primary);
}

.table td {
  padding: var(--spacing-md) var(--spacing-base);
  font-size: var(--font-size-sm);
  color: var(--text-primary);
  border-bottom: 1px solid var(--border-secondary);
  vertical-align: middle;
}

.table tbody tr {
  transition: background var(--transition-fast);
}

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

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

/* ── Badges / Tags ── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  border-radius: var(--radius-full);
  white-space: nowrap;
}

select.badge option {
  background: var(--bg-card);
  color: var(--text-primary);
}

.badge-pending {
  background: var(--warning-100);
  color: var(--warning-700);
}

.badge-delivered {
  background: var(--success-100);
  color: var(--success-700);
}

.badge-cancelled {
  background: var(--danger-100);
  color: var(--danger-700);
}

.badge-returned {
  background: var(--neutral-200);
  color: var(--neutral-700);
}

.badge-paid {
  background: var(--success-100);
  color: var(--success-700);
}

.badge-unpaid {
  background: var(--danger-100);
  color: var(--danger-700);
}

[data-theme="dark"] .badge-pending {
  background: var(--warning-600);
  color: #FFFFFF;
}

[data-theme="dark"] .badge-delivered {
  background: var(--success-600);
  color: #FFFFFF;
}

[data-theme="dark"] .badge-cancelled {
  background: var(--danger-600);
  color: #FFFFFF;
}

[data-theme="dark"] .badge-returned {
  background: var(--neutral-600);
  color: #FFFFFF;
}

[data-theme="dark"] .badge-paid {
  background: var(--success-600);
  color: #FFFFFF;
}

[data-theme="dark"] .badge-unpaid {
  background: var(--danger-600);
  color: #FFFFFF;
}

/* ── Chips ── */
.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  border-radius: var(--radius-full);
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  border: 1px solid var(--border-primary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.chip:hover {
  background: var(--bg-hover);
}

.chip.active {
  background: var(--primary-100);
  color: var(--primary-700);
  border-color: var(--primary-300);
}

[data-theme="dark"] .chip.active {
  background: rgba(99, 102, 241, 0.15);
  color: var(--primary-400);
  border-color: var(--primary-700);
}

/* ── Toggle Switch ── */
.toggle {
  position: relative;
  width: 48px;
  height: 26px;
  display: inline-block;
  cursor: pointer;
}

.toggle input {
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-slider {
  position: absolute;
  inset: 0;
  background: var(--neutral-300);
  border-radius: var(--radius-full);
  transition: all var(--transition-normal);
}

.toggle-slider::before {
  content: '';
  position: absolute;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: #FFFFFF;
  top: 3px;
  right: 3px;
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-xs);
}

.toggle input:checked + .toggle-slider {
  background: var(--primary-500);
}

.toggle input:checked + .toggle-slider::before {
  transform: translateX(-22px);
}

/* ── Empty State ── */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-4xl) var(--spacing-xl);
  text-align: center;
}

.empty-state-icon {
  font-size: 4rem;
  margin-bottom: var(--spacing-lg);
  opacity: 0.5;
}

.empty-state-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
}

.empty-state-text {
  font-size: var(--font-size-sm);
  color: var(--text-tertiary);
  margin-bottom: var(--spacing-xl);
  max-width: 320px;
}

/* ── Tabs ── */
.tabs {
  display: flex;
  gap: var(--spacing-xs);
  background: var(--bg-tertiary);
  padding: 4px;
  border-radius: var(--radius-lg);
  overflow-x: auto;
}

.tab {
  padding: var(--spacing-sm) var(--spacing-lg);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--text-secondary);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  cursor: pointer;
  white-space: nowrap;
}

.tab:hover {
  color: var(--text-primary);
  background: var(--bg-hover);
}

.tab.active {
  background: var(--bg-secondary);
  color: var(--primary-600);
  font-weight: var(--font-weight-semibold);
  box-shadow: var(--shadow-sm);
}

[data-theme="dark"] .tab.active {
  color: var(--primary-400);
}

/* ── Pagination ── */
.pagination {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  justify-content: center;
  margin-top: var(--spacing-xl);
}

.pagination-btn {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  cursor: pointer;
}

.pagination-btn:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.pagination-btn.active {
  background: var(--primary-600);
  color: #FFFFFF;
}

/* ── Loading Skeleton ── */
.skeleton {
  background: linear-gradient(
    90deg,
    var(--bg-tertiary) 25%,
    var(--bg-hover) 50%,
    var(--bg-tertiary) 75%
  );
  background-size: 200% 100%;
  animation: skeleton-shimmer 1.5s ease-in-out infinite;
  border-radius: var(--radius-md);
}

@keyframes skeleton-shimmer {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

.skeleton-text {
  height: 14px;
  margin-bottom: var(--spacing-sm);
}

.skeleton-title {
  height: 22px;
  width: 60%;
  margin-bottom: var(--spacing-md);
}

.skeleton-circle {
  border-radius: 50%;
}

/* ── Dropdown ── */
.dropdown {
  position: relative;
  display: inline-block;
}

.dropdown-menu {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  min-width: 200px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: var(--spacing-xs);
  z-index: var(--z-dropdown);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px) scale(0.96);
  transition: all var(--transition-fast);
}

.dropdown.open .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  cursor: pointer;
  width: 100%;
  text-align: start;
}

.dropdown-item:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.dropdown-divider {
  height: 1px;
  background: var(--border-secondary);
  margin: var(--spacing-xs) 0;
}

/* ── Progress Bar ── */
.progress {
  height: 8px;
  background: var(--bg-tertiary);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  border-radius: var(--radius-full);
  transition: width var(--transition-slow);
  background: linear-gradient(90deg, var(--primary-500), var(--primary-400));
}

.progress-bar.success {
  background: linear-gradient(90deg, var(--success-500), var(--success-400));
}

.progress-bar.warning {
  background: linear-gradient(90deg, var(--warning-500), var(--warning-400));
}

.progress-bar.danger {
  background: linear-gradient(90deg, var(--danger-500), var(--danger-400));
}

/* ── Avatar ── */
.avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-sm);
  color: #FFFFFF;
  flex-shrink: 0;
}

.avatar-sm { width: 32px; height: 32px; font-size: var(--font-size-xs); }
.avatar-lg { width: 56px; height: 56px; font-size: var(--font-size-lg); }

/* ── Notification Count ── */
.notification-badge {
  position: absolute;
  top: -4px;
  left: -4px;
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  background: var(--danger-500);
  color: #FFFFFF;
  font-size: 10px;
  font-weight: var(--font-weight-bold);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}