/**
 * AITRAIN Admin - Component Design System
 * Version 1.0 - Production Ready
 *
 * This file extends the core admin.css with additional
 * reusable components for the admin panel.
 *
 * USAGE:
 * Load this file AFTER admin.css for additional component styles:
 * <link rel="stylesheet" href="/assets/css/admin.css">
 * <link rel="stylesheet" href="/assets/css/components.css">
 *
 * NOTE: Some styles (like .btn) overlap with admin.css.
 * This file provides extended variants and additional components.
 *
 * Brand Colors:
 * - Primary Orange: #F26522
 * - Navy: #1E3A5F
 */

/* ============================================
   EXTENDED CSS VARIABLES
   ============================================ */
:root {
  /* Brand Colors - Use semantic variables from admin.css */
  --admin-orange: var(--color-primary-500, #F26522);
  --admin-orange-light: var(--color-primary-400, #FF8548);
  --admin-orange-dark: var(--color-primary-600, #D9581D);
  --admin-navy: var(--color-secondary-500, #1E3A5F);
  --admin-navy-light: var(--color-secondary-400, #2A4F7F);
  --admin-navy-dark: var(--color-secondary-600, #152B47);

  /* Component Specific - Use semantic variables from admin.css */
  --btn-focus-ring: var(--color-primary-focus-ring, 0 0 0 3px rgba(242, 101, 34, 0.25));
  --btn-focus-ring-navy: var(--color-secondary-focus-ring, 0 0 0 3px rgba(30, 58, 95, 0.25));
  --input-focus-ring: var(--color-primary-focus, 0 0 0 3px rgba(242, 101, 34, 0.15));

  /* Spacing Scale */
  --space-0: 0;
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;

  /* Typography Scale */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;

  /* Line Heights */
  --leading-tight: 1.25;
  --leading-normal: 1.5;
  --leading-relaxed: 1.625;

  /* Component Heights */
  --btn-height-sm: 32px;
  --btn-height-md: 40px;
  --btn-height-lg: 48px;
  --input-height-sm: 32px;
  --input-height-md: 40px;
  --input-height-lg: 48px;
}

/* ============================================
   1. BUTTON VARIANTS
   ============================================ */

/* Base Button Reset */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: inherit;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
  border: none;
  border-radius: var(--admin-radius-md);
  cursor: pointer;
  transition: all var(--admin-transition-fast);
  position: relative;
  overflow: hidden;
  user-select: none;
  vertical-align: middle;
}

/* Focus visible handled by admin.css - add box-shadow for buttons */
.btn:focus-visible {
  outline: 2px solid var(--admin-accent, var(--admin-orange));
  outline-offset: 2px;
  box-shadow: var(--color-primary-focus-glow, 0 0 0 4px rgba(242, 101, 34, 0.25));
}

.btn:disabled,
.btn.disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

.btn svg,
.btn i {
  width: 1em;
  height: 1em;
  flex-shrink: 0;
}

/* Button Sizes */
.btn-sm {
  height: var(--btn-height-sm);
  padding: 0 var(--space-3);
  font-size: var(--text-xs);
  border-radius: var(--admin-radius-sm);
}

.btn-md {
  height: var(--btn-height-md);
  padding: 0 var(--space-4);
  font-size: var(--text-sm);
}

.btn-lg {
  height: var(--btn-height-lg);
  padding: 0 var(--space-6);
  font-size: var(--text-base);
  border-radius: var(--admin-radius-lg);
}

/* Primary Button */
.btn-primary {
  background: linear-gradient(135deg, var(--admin-orange) 0%, var(--admin-orange-dark) 100%);
  color: var(--color-text-on-primary, #ffffff);
  box-shadow: var(--color-primary-shadow-sm, 0 2px 8px rgba(242, 101, 34, 0.3));
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--admin-orange-light) 0%, var(--admin-orange) 100%);
  box-shadow: var(--color-primary-shadow-lg, 0 4px 16px rgba(242, 101, 34, 0.4));
  transform: translateY(-1px);
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: var(--color-primary-shadow-sm, 0 2px 4px rgba(242, 101, 34, 0.3));
}

.btn-primary:focus-visible {
  box-shadow: var(--btn-focus-ring), var(--color-primary-shadow-sm, 0 2px 8px rgba(242, 101, 34, 0.3));
}

/* Secondary Button (Navy) */
.btn-secondary {
  background: linear-gradient(135deg, var(--admin-navy) 0%, var(--admin-navy-dark) 100%);
  color: var(--color-text-on-primary, #ffffff);
  box-shadow: var(--color-secondary-shadow-sm, 0 2px 8px rgba(30, 58, 95, 0.3));
}

.btn-secondary:hover {
  background: linear-gradient(135deg, var(--admin-navy-light) 0%, var(--admin-navy) 100%);
  box-shadow: var(--color-secondary-shadow-lg, 0 4px 16px rgba(30, 58, 95, 0.4));
  transform: translateY(-1px);
}

.btn-secondary:active {
  transform: translateY(0);
}

.btn-secondary:focus-visible {
  box-shadow: var(--btn-focus-ring-navy), var(--color-secondary-shadow-sm, 0 2px 8px rgba(30, 58, 95, 0.3));
}

/* Ghost Button */
.btn-ghost {
  background: transparent;
  color: var(--admin-text-secondary);
  border: none;
}

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

.btn-ghost:active {
  background: var(--admin-border);
}

.btn-ghost:focus-visible {
  box-shadow: var(--btn-focus-ring);
}

/* Danger Button */
.btn-danger {
  background: linear-gradient(135deg, var(--admin-red) 0%, var(--color-error-600, #DC2626) 100%);
  color: var(--color-text-on-primary, #ffffff);
  box-shadow: var(--color-error-shadow-sm, 0 2px 8px rgba(239, 68, 68, 0.3));
}

.btn-danger:hover {
  background: linear-gradient(135deg, var(--color-error-400, #F87171) 0%, var(--admin-red) 100%);
  box-shadow: var(--color-error-shadow-lg, 0 4px 16px rgba(239, 68, 68, 0.4));
  transform: translateY(-1px);
}

.btn-danger:active {
  transform: translateY(0);
}

.btn-danger:focus-visible {
  box-shadow: var(--color-error-focus-ring, 0 0 0 3px rgba(239, 68, 68, 0.25)), var(--color-error-shadow-sm, 0 2px 8px rgba(239, 68, 68, 0.3));
}

/* Outline Button */
.btn-outline {
  background: transparent;
  color: var(--admin-orange);
  border: 1.5px solid var(--admin-orange);
}

.btn-outline:hover {
  background: var(--color-primary-bg-subtle, rgba(242, 101, 34, 0.08));
  border-color: var(--admin-orange-dark);
  color: var(--admin-orange-dark);
}

.btn-outline:active {
  background: var(--color-primary-bg-hover, rgba(242, 101, 34, 0.12));
}

.btn-outline:focus-visible {
  box-shadow: var(--btn-focus-ring);
}

/* Outline Navy Variant */
.btn-outline-navy {
  background: transparent;
  color: var(--admin-navy);
  border: 1.5px solid var(--admin-navy);
}

.btn-outline-navy:hover {
  background: var(--color-secondary-bg-hover, rgba(30, 58, 95, 0.08));
  border-color: var(--admin-navy-dark);
  color: var(--admin-navy-dark);
}

.btn-outline-navy:active {
  background: var(--color-secondary-bg, rgba(30, 58, 95, 0.12));
}

.btn-outline-navy:focus-visible {
  box-shadow: var(--btn-focus-ring-navy);
}

/* Icon Only Button */
.btn-icon {
  padding: 0;
  width: var(--btn-height-md);
  aspect-ratio: 1;
}

.btn-icon.btn-sm {
  width: var(--btn-height-sm);
}

.btn-icon.btn-lg {
  width: var(--btn-height-lg);
}

/* Button Loading State */
.btn-loading {
  color: transparent !important;
  pointer-events: none;
}

.btn-loading::after {
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  border: 2px solid currentColor;
  border-color: inherit;
  border-right-color: transparent;
  border-radius: 50%;
  animation: btn-spin 0.6s linear infinite;
}

.btn-loading.btn-primary::after,
.btn-loading.btn-secondary::after,
.btn-loading.btn-danger::after {
  border-color: var(--color-text-on-primary, #ffffff);
  border-right-color: transparent;
}

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

/* Button Group */
.btn-group {
  display: inline-flex;
}

.btn-group .btn {
  border-radius: 0;
  margin-left: -1px;
}

.btn-group .btn:first-child {
  border-radius: var(--admin-radius-md) 0 0 var(--admin-radius-md);
  margin-left: 0;
}

.btn-group .btn:last-child {
  border-radius: 0 var(--admin-radius-md) var(--admin-radius-md) 0;
}

.btn-group .btn:only-child {
  border-radius: var(--admin-radius-md);
}

/* ============================================
   2. FORM INPUTS
   ============================================ */

/* Input Base */
.input,
.form-input {
  display: block;
  width: 100%;
  height: var(--input-height-md);
  padding: 0 var(--space-3);
  font-family: inherit;
  font-size: var(--text-sm);
  color: var(--admin-text);
  background: var(--admin-surface);
  border: 1px solid var(--admin-border);
  border-radius: var(--admin-radius-md);
  transition: all var(--admin-transition-fast);
}

.input:hover,
.form-input:hover {
  border-color: var(--admin-border-strong);
}

.input:focus,
.form-input:focus {
  outline: none;
  border-color: var(--admin-orange);
  box-shadow: var(--input-focus-ring);
}

/* Enhanced focus-visible for keyboard users */
.input:focus-visible,
.form-input:focus-visible {
  outline: 2px solid var(--admin-orange);
  outline-offset: 2px;
  border-color: var(--admin-orange);
  box-shadow: var(--input-focus-ring);
}

.input::placeholder,
.form-input::placeholder {
  color: var(--admin-text-muted);
}

/* Input Sizes */
.input-sm {
  height: var(--input-height-sm);
  padding: 0 var(--space-2);
  font-size: var(--text-xs);
}

.input-lg {
  height: var(--input-height-lg);
  padding: 0 var(--space-4);
  font-size: var(--text-base);
}

/* Input States */
.input-error,
.input.error {
  border-color: var(--admin-red);
}

.input-error:focus,
.input.error:focus {
  border-color: var(--admin-red);
  box-shadow: var(--color-error-focus, 0 0 0 3px rgba(239, 68, 68, 0.15));
}

.input-success,
.input.success {
  border-color: var(--admin-green);
}

.input-success:focus,
.input.success:focus {
  border-color: var(--admin-green);
  box-shadow: var(--color-success-focus, 0 0 0 3px rgba(16, 185, 129, 0.15));
}

/* Input with Icon */
.input-wrapper {
  position: relative;
  display: block;
}

.input-wrapper .input-icon {
  position: absolute;
  left: var(--space-3);
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 18px;
  color: var(--admin-text-muted);
  pointer-events: none;
}

.input-wrapper .input-icon-right {
  left: auto;
  right: var(--space-3);
}

.input-wrapper .input {
  padding-left: calc(var(--space-3) + 18px + var(--space-2));
}

.input-wrapper.has-icon-right .input {
  padding-right: calc(var(--space-3) + 18px + var(--space-2));
}

/* Select Input */
.select,
.form-select {
  display: block;
  width: 100%;
  height: var(--input-height-md);
  padding: 0 calc(var(--space-3) + 24px) 0 var(--space-3);
  font-family: inherit;
  font-size: var(--text-sm);
  color: var(--admin-text);
  background-color: var(--admin-surface);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-3) center;
  border: 1px solid var(--admin-border);
  border-radius: var(--admin-radius-md);
  cursor: pointer;
  appearance: none;
  transition: all var(--admin-transition-fast);
}

.select:hover,
.form-select:hover {
  border-color: var(--admin-border-strong);
}

.select:focus,
.form-select:focus {
  outline: none;
  border-color: var(--admin-orange);
  box-shadow: var(--input-focus-ring);
}

/* Textarea */
.textarea,
.form-textarea {
  display: block;
  width: 100%;
  min-height: 100px;
  padding: var(--space-3);
  font-family: inherit;
  font-size: var(--text-sm);
  color: var(--admin-text);
  background: var(--admin-surface);
  border: 1px solid var(--admin-border);
  border-radius: var(--admin-radius-md);
  resize: vertical;
  transition: all var(--admin-transition-fast);
}

.textarea:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--admin-orange);
  box-shadow: var(--input-focus-ring);
}

/* Checkbox */
.checkbox {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  cursor: pointer;
  user-select: none;
}

.checkbox-input {
  position: relative;
  width: 18px;
  height: 18px;
  appearance: none;
  background: var(--admin-surface);
  border: 1.5px solid var(--admin-border-strong);
  border-radius: var(--admin-radius-xs);
  cursor: pointer;
  transition: all var(--admin-transition-fast);
}

.checkbox-input:hover {
  border-color: var(--admin-orange);
}

.checkbox-input:checked {
  background: var(--admin-orange);
  border-color: var(--admin-orange);
}

.checkbox-input:checked::after {
  content: '';
  position: absolute;
  left: 5px;
  top: 2px;
  width: 5px;
  height: 9px;
  border: solid var(--color-text-on-primary, #ffffff);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.checkbox-input:focus-visible {
  outline: none;
  box-shadow: var(--btn-focus-ring);
}

.checkbox-label {
  font-size: var(--text-sm);
  color: var(--admin-text);
}

/* Radio Button */
.radio {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  cursor: pointer;
  user-select: none;
}

.radio-input {
  position: relative;
  width: 18px;
  height: 18px;
  appearance: none;
  background: var(--admin-surface);
  border: 1.5px solid var(--admin-border-strong);
  border-radius: 50%;
  cursor: pointer;
  transition: all var(--admin-transition-fast);
}

.radio-input:hover {
  border-color: var(--admin-orange);
}

.radio-input:checked {
  border-color: var(--admin-orange);
  border-width: 5px;
}

.radio-input:focus-visible {
  outline: none;
  box-shadow: var(--btn-focus-ring);
}

.radio-label {
  font-size: var(--text-sm);
  color: var(--admin-text);
}

/* Radio Group */
.radio-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.radio-group.horizontal {
  flex-direction: row;
  gap: var(--space-4);
}

/* Toggle Switch */
.toggle {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  cursor: pointer;
  user-select: none;
}

.toggle-input {
  position: relative;
  width: 44px;
  height: 24px;
  appearance: none;
  background: var(--admin-border-strong);
  border-radius: var(--admin-radius-full);
  cursor: pointer;
  transition: all var(--admin-transition-fast);
}

.toggle-input::after {
  content: '';
  position: absolute;
  left: 2px;
  top: 2px;
  width: 20px;
  height: 20px;
  background: var(--color-surface-primary, #ffffff);
  border-radius: 50%;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
  transition: transform var(--admin-transition-fast);
}

.toggle-input:checked {
  background: var(--admin-orange);
}

.toggle-input:checked::after {
  transform: translateX(20px);
}

.toggle-input:focus-visible {
  outline: none;
  box-shadow: var(--btn-focus-ring);
}

.toggle-label {
  font-size: var(--text-sm);
  color: var(--admin-text);
}

/* Toggle Sizes */
.toggle-sm .toggle-input {
  width: 36px;
  height: 20px;
}

.toggle-sm .toggle-input::after {
  width: 16px;
  height: 16px;
}

.toggle-sm .toggle-input:checked::after {
  transform: translateX(16px);
}

.toggle-lg .toggle-input {
  width: 52px;
  height: 28px;
}

.toggle-lg .toggle-input::after {
  width: 24px;
  height: 24px;
}

.toggle-lg .toggle-input:checked::after {
  transform: translateX(24px);
}

/* Form Group */
.form-group {
  margin-bottom: var(--space-5);
}

.form-label {
  display: block;
  margin-bottom: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--admin-text);
}

.form-label.required::after {
  content: ' *';
  color: var(--admin-red);
}

.form-hint {
  margin-top: var(--space-1);
  font-size: var(--text-xs);
  color: var(--admin-text-muted);
}

.form-error {
  margin-top: var(--space-1);
  font-size: var(--text-xs);
  color: var(--admin-red);
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

/* Form Layout Helpers */
.form-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
}

.form-row-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}

@media (max-width: 640px) {
  .form-row,
  .form-row-3 {
    grid-template-columns: 1fr;
  }
}

/* Form group last child spacing fix */
.form-group:last-child {
  margin-bottom: 0;
}

/* ============================================
   3. CARDS
   ============================================ */

/* Base Card */
.card {
  background: var(--admin-surface);
  border: 1px solid var(--admin-border);
  border-radius: var(--admin-radius-lg);
  overflow: hidden;
  transition: all var(--admin-transition-normal);
}

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

.card-header {
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--admin-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.card-title {
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--admin-text);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.card-title svg {
  width: 20px;
  height: 20px;
  color: var(--admin-orange);
}

.card-body {
  padding: var(--space-5);
}

.card-footer {
  padding: var(--space-4) var(--space-5);
  border-top: 1px solid var(--admin-border);
  background: var(--admin-bg-subtle);
}

/* Stat Card */
.stat-card {
  background: var(--admin-surface);
  border: 1px solid var(--admin-border);
  border-radius: var(--admin-radius-lg);
  padding: var(--space-5);
  position: relative;
  overflow: hidden;
  transition: all var(--admin-transition-normal);
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--stat-color, var(--admin-orange));
  opacity: 0;
  transition: opacity var(--admin-transition-normal);
}

.stat-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--admin-shadow-md);
}

.stat-card:hover::before {
  opacity: 1;
}

.stat-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
}

.stat-card-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--admin-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.stat-card-icon svg {
  width: 24px;
  height: 24px;
}

.stat-card-icon.orange {
  background: var(--color-primary-bg, rgba(242, 101, 34, 0.1));
  color: var(--admin-orange);
  --stat-color: var(--admin-orange);
}

.stat-card-icon.navy {
  background: var(--color-secondary-bg, rgba(30, 58, 95, 0.1));
  color: var(--admin-navy);
  --stat-color: var(--admin-navy);
}

.stat-card-icon.blue {
  background: var(--color-info-bg, rgba(59, 130, 246, 0.1));
  color: var(--admin-blue);
  --stat-color: var(--admin-blue);
}

.stat-card-icon.green {
  background: var(--color-success-bg, rgba(16, 185, 129, 0.1));
  color: var(--admin-green);
  --stat-color: var(--admin-green);
}

.stat-card-icon.purple {
  background: var(--color-purple-bg, rgba(139, 92, 246, 0.1));
  color: var(--admin-purple);
  --stat-color: var(--admin-purple);
}

.stat-card-icon.red {
  background: var(--color-error-bg, rgba(239, 68, 68, 0.1));
  color: var(--admin-red);
  --stat-color: var(--admin-red);
}

.stat-card-icon.yellow {
  background: var(--color-warning-bg, rgba(245, 158, 11, 0.1));
  color: var(--admin-yellow);
  --stat-color: var(--admin-yellow);
}

.stat-card-value {
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--admin-text);
  line-height: var(--leading-tight);
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}

.stat-card-label {
  font-size: var(--text-sm);
  color: var(--admin-text-muted);
  margin-top: var(--space-1);
}

.stat-card-change {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--text-xs);
  font-weight: 600;
  padding: 2px var(--space-2);
  border-radius: var(--admin-radius-sm);
  margin-top: var(--space-2);
}

.stat-card-change.up {
  background: var(--color-success-bg, rgba(16, 185, 129, 0.1));
  color: var(--admin-green);
}

.stat-card-change.down {
  background: var(--color-error-bg, rgba(239, 68, 68, 0.1));
  color: var(--admin-red);
}

/* Content Card */
.content-card {
  background: var(--admin-surface);
  border: 1px solid var(--admin-border);
  border-radius: var(--admin-radius-lg);
  overflow: hidden;
  transition: all var(--admin-transition-normal);
}

.content-card:hover {
  border-color: var(--admin-border-strong);
  box-shadow: var(--admin-shadow-md);
}

.content-card-image {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  background: var(--admin-bg-subtle);
}

.content-card-body {
  padding: var(--space-4);
}

.content-card-title {
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--admin-text);
  margin-bottom: var(--space-2);
  line-height: var(--leading-tight);
}

.content-card-description {
  font-size: var(--text-sm);
  color: var(--admin-text-muted);
  line-height: var(--leading-relaxed);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.content-card-meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-top: var(--space-3);
  padding-top: var(--space-3);
  border-top: 1px solid var(--admin-border);
  font-size: var(--text-xs);
  color: var(--admin-text-muted);
}

/* Action Card */
.action-card {
  background: var(--admin-surface);
  border: 1px solid var(--admin-border);
  border-radius: var(--admin-radius-lg);
  padding: var(--space-5);
  text-align: center;
  cursor: pointer;
  transition: all var(--admin-transition-normal);
}

.action-card:hover {
  border-color: var(--admin-orange);
  background: rgba(242, 101, 34, 0.02);
  transform: translateY(-2px);
  box-shadow: var(--admin-shadow-md);
}

.action-card-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto var(--space-4);
  border-radius: var(--admin-radius-lg);
  background: rgba(242, 101, 34, 0.1);
  color: var(--admin-orange);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--admin-transition-normal);
}

.action-card:hover .action-card-icon {
  background: var(--admin-orange);
  color: #ffffff;
  transform: scale(1.05);
}

.action-card-icon svg {
  width: 28px;
  height: 28px;
}

.action-card-title {
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--admin-text);
  margin-bottom: var(--space-1);
}

.action-card-description {
  font-size: var(--text-sm);
  color: var(--admin-text-muted);
}

/* ============================================
   4. BADGES AND TAGS
   ============================================ */

/* Badge Base */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 2px var(--space-2);
  font-size: var(--text-xs);
  font-weight: 600;
  border-radius: var(--admin-radius-full);
  text-transform: uppercase;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

/* Badge Variants */
.badge-default {
  background: var(--admin-bg-subtle);
  color: var(--admin-text-muted);
}

.badge-primary {
  background: var(--color-primary-bg, rgba(242, 101, 34, 0.1));
  color: var(--admin-orange);
}

.badge-navy {
  background: var(--color-secondary-bg, rgba(30, 58, 95, 0.1));
  color: var(--admin-navy);
}

.badge-success {
  background: var(--color-success-bg, rgba(16, 185, 129, 0.1));
  color: var(--admin-green);
}

.badge-warning {
  background: var(--color-warning-bg, rgba(245, 158, 11, 0.1));
  color: var(--admin-yellow);
}

.badge-danger {
  background: var(--color-error-bg, rgba(239, 68, 68, 0.1));
  color: var(--admin-red);
}

.badge-info {
  background: var(--color-info-bg, rgba(59, 130, 246, 0.1));
  color: var(--admin-blue);
}

.badge-purple {
  background: var(--color-purple-bg, rgba(139, 92, 246, 0.1));
  color: var(--admin-purple);
}

/* Badge with Dot */
.badge-dot {
  width: 6px;
  height: 6px;
  background: currentColor;
  border-radius: 50%;
  flex-shrink: 0;
}

/* Badge Sizes */
.badge-sm {
  padding: 1px var(--space-1);
  font-size: 10px;
}

.badge-lg {
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-sm);
}

/* Solid Badges */
.badge-solid {
  color: var(--color-text-on-primary, #ffffff);
}

.badge-solid.badge-primary {
  background: var(--admin-orange);
}

.badge-solid.badge-navy {
  background: var(--admin-navy);
}

.badge-solid.badge-success {
  background: var(--admin-green);
}

.badge-solid.badge-warning {
  background: var(--admin-yellow);
  color: var(--color-text-primary, #000000);
}

.badge-solid.badge-danger {
  background: var(--admin-red);
}

.badge-solid.badge-info {
  background: var(--admin-blue);
}

/* Tag (Removable Badge) */
.tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-2);
  font-size: var(--text-xs);
  font-weight: 500;
  background: var(--admin-bg-subtle);
  color: var(--admin-text);
  border: 1px solid var(--admin-border);
  border-radius: var(--admin-radius-sm);
}

.tag-remove {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 14px;
  height: 14px;
  margin-left: var(--space-1);
  margin-right: calc(var(--space-1) * -1);
  background: none;
  border: none;
  border-radius: var(--admin-radius-xs);
  color: var(--admin-text-muted);
  cursor: pointer;
  transition: all var(--admin-transition-fast);
}

.tag-remove:hover {
  background: var(--admin-border);
  color: var(--admin-red);
}

.tag-remove svg {
  width: 10px;
  height: 10px;
}

/* Tag Group */
.tag-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

/* ============================================
   5. TABLES
   ============================================ */

/* Table Container */
.table-container {
  overflow-x: auto;
  border: 1px solid var(--admin-border);
  border-radius: var(--admin-radius-lg);
}

/* Table Base */
.table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-sm);
}

.table th,
.table td {
  padding: var(--space-3) var(--space-4);
  text-align: left;
  border-bottom: 1px solid var(--admin-border);
}

.table th {
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--admin-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: var(--admin-bg-subtle);
  white-space: nowrap;
  position: sticky;
  top: 0;
  z-index: 1;
}

.table td {
  color: var(--admin-text);
  vertical-align: middle;
}

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

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

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

/* Sortable Table Headers */
.table th.sortable {
  cursor: pointer;
  user-select: none;
  padding-right: var(--space-6);
  position: relative;
}

.table th.sortable:hover {
  color: var(--admin-text);
  background: var(--admin-border);
}

.table th.sortable::after {
  content: '';
  position: absolute;
  right: var(--space-3);
  top: 50%;
  transform: translateY(-50%);
  width: 0;
  height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 5px solid currentColor;
  opacity: 0.3;
}

.table th.sortable.asc::after {
  border-top: none;
  border-bottom: 5px solid var(--admin-orange);
  opacity: 1;
}

.table th.sortable.desc::after {
  border-top: 5px solid var(--admin-orange);
  opacity: 1;
}

/* Table Row Actions */
.table .row-actions {
  display: flex;
  gap: var(--space-1);
  opacity: 0;
  transition: opacity var(--admin-transition-fast);
}

.table tbody tr:hover .row-actions {
  opacity: 1;
}

/* Table Checkbox Column */
.table .col-checkbox {
  width: 40px;
  padding-left: var(--space-4);
  padding-right: var(--space-2);
}

/* Table Actions Column */
.table .col-actions {
  width: 100px;
  text-align: right;
}

/* Striped Table */
.table-striped tbody tr:nth-child(even) {
  background: var(--admin-bg-subtle);
}

.table-striped tbody tr:nth-child(even):hover {
  background: var(--admin-surface-hover);
}

/* Compact Table */
.table-compact th,
.table-compact td {
  padding: var(--space-2) var(--space-3);
}

/* Table with Borders */
.table-bordered th,
.table-bordered td {
  border: 1px solid var(--admin-border);
}

/* ============================================
   6. EMPTY STATES
   ============================================ */

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-12) var(--space-6);
  min-height: 300px;
}

.empty-state-illustration {
  width: 200px;
  height: 200px;
  margin-bottom: var(--space-6);
  position: relative;
}

/* SVG Illustration Container */
.empty-state-illustration svg {
  width: 100%;
  height: 100%;
  color: var(--admin-text-muted);
  opacity: 0.5;
}

/* Circular Icon Fallback */
.empty-state-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--space-5);
  background: var(--admin-bg-subtle);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.empty-state-icon svg {
  width: 40px;
  height: 40px;
  color: var(--admin-text-muted);
  opacity: 0.5;
}

.empty-state-title {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--admin-text);
  margin-bottom: var(--space-2);
}

.empty-state-description {
  font-size: var(--text-sm);
  color: var(--admin-text-muted);
  max-width: 400px;
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-5);
}

.empty-state-actions {
  display: flex;
  gap: var(--space-3);
}

/* Animated Empty State Illustration */
.empty-state-animated {
  animation: float 3s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* Empty State with Background Pattern */
.empty-state.with-pattern {
  background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23000000' fill-opacity='0.02'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

/* ============================================
   7. LOADING SKELETONS
   ============================================ */

.skeleton {
  background: linear-gradient(
    90deg,
    var(--admin-bg-subtle) 0%,
    var(--admin-surface) 50%,
    var(--admin-bg-subtle) 100%
  );
  background-size: 200% 100%;
  animation: skeleton-shimmer 1.5s ease-in-out infinite;
  border-radius: var(--admin-radius-sm);
}

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

/* Skeleton Text */
.skeleton-text {
  height: 1em;
  margin-bottom: 0.5em;
  border-radius: var(--admin-radius-xs);
}

.skeleton-text:last-child {
  width: 70%;
  margin-bottom: 0;
}

.skeleton-text.skeleton-title {
  height: 1.5em;
  width: 60%;
}

/* Skeleton Shapes */
.skeleton-circle {
  border-radius: 50%;
}

.skeleton-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  flex-shrink: 0;
}

.skeleton-avatar-sm {
  width: 32px;
  height: 32px;
}

.skeleton-avatar-lg {
  width: 56px;
  height: 56px;
}

.skeleton-image {
  width: 100%;
  aspect-ratio: 16/9;
  border-radius: var(--admin-radius-md);
}

.skeleton-card {
  height: 120px;
  border-radius: var(--admin-radius-lg);
}

.skeleton-button {
  height: var(--btn-height-md);
  width: 100px;
  border-radius: var(--admin-radius-md);
}

/* Skeleton Compositions */
.skeleton-row {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.skeleton-stat-card {
  padding: var(--space-5);
  background: var(--admin-surface);
  border: 1px solid var(--admin-border);
  border-radius: var(--admin-radius-lg);
}

.skeleton-table-row {
  display: grid;
  grid-template-columns: 40px 1fr 1fr 120px;
  gap: var(--space-4);
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--admin-border);
}

/* ============================================
   8. PROGRESS BARS
   ============================================ */

/* Linear Progress */
.progress {
  width: 100%;
  height: 8px;
  background: var(--admin-bg-subtle);
  border-radius: var(--admin-radius-full);
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--admin-orange), var(--admin-orange-light));
  border-radius: var(--admin-radius-full);
  transition: width var(--admin-transition-slow) ease;
}

/* Progress Variants */
.progress-navy .progress-bar {
  background: linear-gradient(90deg, var(--admin-navy), var(--admin-navy-light));
}

.progress-success .progress-bar {
  background: linear-gradient(90deg, var(--admin-green), #34D399);
}

.progress-warning .progress-bar {
  background: linear-gradient(90deg, var(--admin-yellow), #FBBF24);
}

.progress-danger .progress-bar {
  background: linear-gradient(90deg, var(--admin-red), #F87171);
}

/* Progress Sizes */
.progress-sm {
  height: 4px;
}

.progress-lg {
  height: 12px;
}

/* Progress with Label */
.progress-labeled {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.progress-labeled .progress {
  flex: 1;
}

.progress-label {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--admin-text-muted);
  min-width: 40px;
  text-align: right;
}

/* Indeterminate Progress */
.progress-indeterminate .progress-bar {
  width: 30%;
  animation: progress-indeterminate 1.5s ease infinite;
}

@keyframes progress-indeterminate {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(400%); }
}

/* Striped Progress */
.progress-striped .progress-bar {
  background-image: linear-gradient(
    45deg,
    rgba(255, 255, 255, 0.15) 25%,
    transparent 25%,
    transparent 50%,
    rgba(255, 255, 255, 0.15) 50%,
    rgba(255, 255, 255, 0.15) 75%,
    transparent 75%,
    transparent
  );
  background-size: 1rem 1rem;
}

.progress-striped.progress-animated .progress-bar {
  animation: progress-stripes 1s linear infinite;
}

@keyframes progress-stripes {
  0% { background-position: 1rem 0; }
  100% { background-position: 0 0; }
}

/* Circular Progress */
.progress-circle {
  position: relative;
  width: 60px;
  height: 60px;
}

.progress-circle svg {
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}

.progress-circle-bg {
  fill: none;
  stroke: var(--admin-bg-subtle);
  stroke-width: 4;
}

.progress-circle-bar {
  fill: none;
  stroke: var(--admin-orange);
  stroke-width: 4;
  stroke-linecap: round;
  transition: stroke-dashoffset var(--admin-transition-slow) ease;
}

.progress-circle-text {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--admin-text);
}

/* Progress Circle Sizes */
.progress-circle-sm {
  width: 40px;
  height: 40px;
}

.progress-circle-lg {
  width: 80px;
  height: 80px;
}

.progress-circle-lg .progress-circle-text {
  font-size: var(--text-sm);
}

/* ============================================
   9. AVATARS AND AVATAR GROUPS
   ============================================ */

/* Avatar Base */
.avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--admin-orange), var(--admin-orange-dark));
  color: #ffffff;
  font-size: var(--text-sm);
  font-weight: 600;
  text-transform: uppercase;
  flex-shrink: 0;
  overflow: hidden;
}

.avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Avatar Sizes */
.avatar-xs {
  width: 24px;
  height: 24px;
  font-size: 10px;
}

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

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

.avatar-xl {
  width: 80px;
  height: 80px;
  font-size: var(--text-2xl);
}

.avatar-2xl {
  width: 120px;
  height: 120px;
  font-size: var(--text-3xl);
}

/* Avatar Colors */
.avatar-navy {
  background: linear-gradient(135deg, var(--admin-navy), var(--admin-navy-dark));
}

.avatar-blue {
  background: linear-gradient(135deg, var(--admin-blue), #2563EB);
}

.avatar-green {
  background: linear-gradient(135deg, var(--admin-green), #059669);
}

.avatar-purple {
  background: linear-gradient(135deg, var(--admin-purple), #7C3AED);
}

.avatar-pink {
  background: linear-gradient(135deg, var(--admin-pink), #DB2777);
}

/* Avatar with Status */
.avatar-wrapper {
  position: relative;
  display: inline-flex;
}

.avatar-status {
  position: absolute;
  bottom: 0;
  right: 0;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: 2px solid var(--admin-surface);
}

.avatar-status.online {
  background: var(--admin-green);
}

.avatar-status.offline {
  background: var(--admin-text-muted);
}

.avatar-status.busy {
  background: var(--admin-red);
}

.avatar-status.away {
  background: var(--admin-yellow);
}

/* Avatar Sizes - Status Positioning */
.avatar-wrapper.avatar-sm .avatar-status {
  width: 10px;
  height: 10px;
}

.avatar-wrapper.avatar-lg .avatar-status {
  width: 14px;
  height: 14px;
}

.avatar-wrapper.avatar-xl .avatar-status {
  width: 16px;
  height: 16px;
}

/* Square Avatar */
.avatar-square {
  border-radius: var(--admin-radius-md);
}

/* Avatar Group */
.avatar-group {
  display: flex;
  flex-direction: row-reverse;
  justify-content: flex-end;
}

.avatar-group .avatar {
  margin-left: -12px;
  border: 2px solid var(--admin-surface);
  box-shadow: 0 0 0 0 transparent;
  transition: all var(--admin-transition-fast);
}

.avatar-group .avatar:last-child {
  margin-left: 0;
}

.avatar-group .avatar:hover {
  transform: translateY(-4px);
  z-index: 1;
}

/* Avatar Group Sizes */
.avatar-group-sm .avatar {
  width: 28px;
  height: 28px;
  font-size: 10px;
  margin-left: -8px;
}

.avatar-group-lg .avatar {
  width: 48px;
  height: 48px;
  font-size: var(--text-base);
  margin-left: -16px;
}

/* Avatar Group Count */
.avatar-group-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--admin-bg-subtle);
  border: 2px solid var(--admin-surface);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--admin-text-muted);
  margin-left: -12px;
}

/* ============================================
   10. DROPDOWN MENUS
   ============================================ */

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

/* Dropdown Trigger */
.dropdown-trigger {
  cursor: pointer;
}

/* Dropdown Menu */
.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 200px;
  padding: var(--space-2);
  background: var(--admin-surface);
  border: 1px solid var(--admin-border);
  border-radius: var(--admin-radius-lg);
  box-shadow: var(--admin-shadow-lg);
  z-index: var(--z-dropdown);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: all var(--admin-transition-normal);
}

.dropdown.open .dropdown-menu,
.dropdown-menu.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(4px);
}

/* Dropdown Alignment */
.dropdown-menu-right {
  left: auto;
  right: 0;
}

.dropdown-menu-center {
  left: 50%;
  transform: translateX(-50%) translateY(-8px);
}

.dropdown.open .dropdown-menu-center,
.dropdown-menu-center.show {
  transform: translateX(-50%) translateY(4px);
}

/* Dropdown Item */
.dropdown-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  color: var(--admin-text);
  text-decoration: none;
  border-radius: var(--admin-radius-md);
  cursor: pointer;
  transition: all var(--admin-transition-fast);
}

.dropdown-item:hover {
  background: var(--admin-bg-subtle);
}

.dropdown-item.active {
  background: rgba(242, 101, 34, 0.08);
  color: var(--admin-orange);
}

.dropdown-item:focus-visible {
  outline: none;
  background: var(--admin-bg-subtle);
}

/* Dropdown Item Icon */
.dropdown-item svg,
.dropdown-item i {
  width: 16px;
  height: 16px;
  color: var(--admin-text-muted);
  flex-shrink: 0;
}

.dropdown-item:hover svg,
.dropdown-item:hover i {
  color: var(--admin-text);
}

.dropdown-item.active svg,
.dropdown-item.active i {
  color: var(--admin-orange);
}

/* Dropdown Item Variants */
.dropdown-item-danger {
  color: var(--admin-red);
}

.dropdown-item-danger:hover {
  background: rgba(239, 68, 68, 0.08);
}

.dropdown-item-danger svg {
  color: var(--admin-red);
}

/* Dropdown Divider */
.dropdown-divider {
  height: 1px;
  background: var(--admin-border);
  margin: var(--space-2) 0;
}

/* Dropdown Header */
.dropdown-header {
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--admin-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Dropdown with Checkbox */
.dropdown-item-checkbox {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-3);
}

.dropdown-item-checkbox input[type="checkbox"] {
  width: 16px;
  height: 16px;
}

/* Nested Dropdown */
.dropdown-submenu {
  position: relative;
}

.dropdown-submenu .dropdown-menu {
  position: absolute;
  top: 0;
  left: 100%;
  margin-left: 4px;
}

.dropdown-submenu > .dropdown-item::after {
  content: '';
  margin-left: auto;
  width: 0;
  height: 0;
  border-top: 4px solid transparent;
  border-bottom: 4px solid transparent;
  border-left: 5px solid currentColor;
}

/* ============================================
   11. TABS
   ============================================ */

/* Horizontal Tabs */
.tabs {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--admin-border);
  overflow-x: auto;
  scrollbar-width: none;
}

.tabs::-webkit-scrollbar {
  display: none;
}

.tab {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--admin-text-muted);
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  cursor: pointer;
  transition: all var(--admin-transition-fast);
  white-space: nowrap;
}

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

.tab.active {
  color: var(--admin-orange);
  border-bottom-color: var(--admin-orange);
}

.tab:focus-visible {
  outline: none;
  background: var(--admin-bg-subtle);
}

.tab svg {
  width: 16px;
  height: 16px;
}

.tab .badge {
  margin-left: var(--space-1);
}

/* Tab Panel */
.tab-panel {
  display: none;
  padding: var(--space-5) 0;
  animation: fadeIn 0.2s ease;
}

.tab-panel.active {
  display: block;
}

/* Pill Tabs */
.tabs-pills {
  border-bottom: none;
  gap: var(--space-2);
  padding: var(--space-1);
  background: var(--admin-bg-subtle);
  border-radius: var(--admin-radius-lg);
}

.tabs-pills .tab {
  padding: var(--space-2) var(--space-4);
  border-radius: var(--admin-radius-md);
  border-bottom: none;
  margin-bottom: 0;
}

.tabs-pills .tab.active {
  background: var(--admin-surface);
  color: var(--admin-text);
  box-shadow: var(--admin-shadow-sm);
}

/* Vertical Tabs */
.tabs-vertical {
  flex-direction: column;
  border-bottom: none;
  border-right: 1px solid var(--admin-border);
  min-width: 200px;
}

.tabs-vertical .tab {
  justify-content: flex-start;
  border-bottom: none;
  border-right: 2px solid transparent;
  margin-bottom: 0;
  margin-right: -1px;
}

.tabs-vertical .tab.active {
  border-right-color: var(--admin-orange);
  background: rgba(242, 101, 34, 0.04);
}

/* Tabs with Border Card Style */
.tabs-bordered {
  background: var(--admin-surface);
  border: 1px solid var(--admin-border);
  border-radius: var(--admin-radius-lg) var(--admin-radius-lg) 0 0;
  border-bottom: none;
  padding: 0 var(--space-4);
}

.tabs-bordered + .tab-content {
  background: var(--admin-surface);
  border: 1px solid var(--admin-border);
  border-top: none;
  border-radius: 0 0 var(--admin-radius-lg) var(--admin-radius-lg);
}

/* Tabs Content Container */
.tabs-container {
  display: flex;
}

.tabs-container.vertical .tabs {
  flex-shrink: 0;
}

.tabs-container.vertical .tabs-content {
  flex: 1;
  padding-left: var(--space-5);
}

/* ============================================
   12. BREADCRUMBS
   ============================================ */

.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--admin-text-muted);
}

.breadcrumb-item {
  display: flex;
  align-items: center;
}

.breadcrumb-item a {
  color: var(--admin-text-muted);
  text-decoration: none;
  transition: color var(--admin-transition-fast);
}

.breadcrumb-item a:hover {
  color: var(--admin-orange);
}

.breadcrumb-item.active {
  color: var(--admin-text);
  font-weight: 500;
}

/* Breadcrumb Separator */
.breadcrumb-item:not(:last-child)::after {
  content: '/';
  margin-left: var(--space-2);
  color: var(--admin-text-muted);
  opacity: 0.5;
}

/* Breadcrumb with Icons */
.breadcrumb-item svg {
  width: 14px;
  height: 14px;
  margin-right: var(--space-1);
}

/* Breadcrumb Variants */
.breadcrumb-arrows .breadcrumb-item:not(:last-child)::after {
  content: '';
  width: 0;
  height: 0;
  border-top: 4px solid transparent;
  border-bottom: 4px solid transparent;
  border-left: 5px solid var(--admin-text-muted);
  opacity: 0.5;
}

.breadcrumb-dots .breadcrumb-item:not(:last-child)::after {
  content: '';
  width: 4px;
  height: 4px;
  background: var(--admin-text-muted);
  border-radius: 50%;
  opacity: 0.5;
}

/* Breadcrumb Background Style */
.breadcrumb-contained {
  padding: var(--space-2) var(--space-4);
  background: var(--admin-bg-subtle);
  border-radius: var(--admin-radius-md);
}

/* ============================================
   13. TOOLTIPS
   ============================================ */

/* Tooltip using data attribute */
[data-tooltip] {
  position: relative;
  cursor: pointer;
}

[data-tooltip]::before,
[data-tooltip]::after {
  position: absolute;
  visibility: hidden;
  opacity: 0;
  transition: all var(--admin-transition-fast);
  pointer-events: none;
  z-index: var(--z-popover);
}

/* Tooltip Arrow */
[data-tooltip]::before {
  content: '';
  border: 6px solid transparent;
}

/* Tooltip Content */
[data-tooltip]::after {
  content: attr(data-tooltip);
  padding: var(--space-2) var(--space-3);
  background: var(--admin-text);
  color: #ffffff;
  font-size: var(--text-xs);
  font-weight: 500;
  line-height: var(--leading-tight);
  white-space: nowrap;
  border-radius: var(--admin-radius-md);
  box-shadow: var(--admin-shadow-md);
}

/* Tooltip Top (Default) */
[data-tooltip]::before {
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  border-top-color: var(--admin-text);
  margin-bottom: -6px;
}

[data-tooltip]::after {
  bottom: calc(100% + 6px);
  left: 50%;
  transform: translateX(-50%);
}

/* Show on hover */
[data-tooltip]:hover::before,
[data-tooltip]:hover::after {
  visibility: visible;
  opacity: 1;
}

[data-tooltip]:hover::before {
  margin-bottom: 0;
}

[data-tooltip]:hover::after {
  bottom: calc(100% + 8px);
}

/* Tooltip Bottom */
[data-tooltip-position="bottom"]::before {
  bottom: auto;
  top: 100%;
  border-top-color: transparent;
  border-bottom-color: var(--admin-text);
  margin-bottom: 0;
  margin-top: -6px;
}

[data-tooltip-position="bottom"]::after {
  bottom: auto;
  top: calc(100% + 6px);
}

[data-tooltip-position="bottom"]:hover::before {
  margin-top: 0;
}

[data-tooltip-position="bottom"]:hover::after {
  top: calc(100% + 8px);
}

/* Tooltip Left */
[data-tooltip-position="left"]::before {
  bottom: auto;
  top: 50%;
  left: auto;
  right: 100%;
  transform: translateY(-50%);
  border-top-color: transparent;
  border-left-color: var(--admin-text);
  margin-bottom: 0;
  margin-right: -6px;
}

[data-tooltip-position="left"]::after {
  bottom: auto;
  top: 50%;
  left: auto;
  right: calc(100% + 6px);
  transform: translateY(-50%);
}

[data-tooltip-position="left"]:hover::before {
  margin-right: 0;
}

[data-tooltip-position="left"]:hover::after {
  right: calc(100% + 8px);
}

/* Tooltip Right */
[data-tooltip-position="right"]::before {
  bottom: auto;
  top: 50%;
  left: 100%;
  right: auto;
  transform: translateY(-50%);
  border-top-color: transparent;
  border-right-color: var(--admin-text);
  margin-bottom: 0;
  margin-left: -6px;
}

[data-tooltip-position="right"]::after {
  bottom: auto;
  top: 50%;
  left: calc(100% + 6px);
  right: auto;
  transform: translateY(-50%);
}

[data-tooltip-position="right"]:hover::before {
  margin-left: 0;
}

[data-tooltip-position="right"]:hover::after {
  left: calc(100% + 8px);
}

/* Tooltip with Multi-line */
[data-tooltip-multiline]::after {
  white-space: normal;
  width: max-content;
  max-width: 250px;
  text-align: center;
}

/* Tooltip Component Class */
.tooltip {
  position: absolute;
  padding: var(--space-2) var(--space-3);
  background: var(--admin-text);
  color: #ffffff;
  font-size: var(--text-xs);
  font-weight: 500;
  border-radius: var(--admin-radius-md);
  box-shadow: var(--admin-shadow-md);
  z-index: var(--z-popover);
  opacity: 0;
  visibility: hidden;
  transition: all var(--admin-transition-fast);
}

.tooltip.show {
  opacity: 1;
  visibility: visible;
}

/* ============================================
   14. ALERT BANNERS
   ============================================ */

.alert {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-4);
  border-radius: var(--admin-radius-lg);
  background: var(--admin-bg-subtle);
  border: 1px solid var(--admin-border);
}

.alert-icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
}

.alert-content {
  flex: 1;
  min-width: 0;
}

.alert-title {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--admin-text);
  margin-bottom: var(--space-1);
}

.alert-message {
  font-size: var(--text-sm);
  color: var(--admin-text-secondary);
  line-height: var(--leading-relaxed);
}

.alert-close {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  background: none;
  border: none;
  border-radius: var(--admin-radius-sm);
  color: var(--admin-text-muted);
  cursor: pointer;
  transition: all var(--admin-transition-fast);
}

.alert-close:hover {
  background: var(--admin-border);
  color: var(--admin-text);
}

.alert-close svg {
  width: 14px;
  height: 14px;
}

/* Alert Variants */
.alert-info {
  background: rgba(59, 130, 246, 0.08);
  border-color: rgba(59, 130, 246, 0.2);
}

.alert-info .alert-icon {
  color: var(--admin-blue);
}

.alert-success {
  background: rgba(16, 185, 129, 0.08);
  border-color: rgba(16, 185, 129, 0.2);
}

.alert-success .alert-icon {
  color: var(--admin-green);
}

.alert-warning {
  background: rgba(245, 158, 11, 0.08);
  border-color: rgba(245, 158, 11, 0.2);
}

.alert-warning .alert-icon {
  color: var(--admin-yellow);
}

.alert-danger {
  background: rgba(239, 68, 68, 0.08);
  border-color: rgba(239, 68, 68, 0.2);
}

.alert-danger .alert-icon {
  color: var(--admin-red);
}

/* Alert with Actions */
.alert-actions {
  display: flex;
  gap: var(--space-2);
  margin-top: var(--space-3);
}

/* Banner Style Alert (Full Width) */
.alert-banner {
  border-radius: 0;
  border-left: none;
  border-right: none;
}

/* Dismissible Alert Animation */
.alert.dismissing {
  animation: alertDismiss 0.3s ease forwards;
}

@keyframes alertDismiss {
  to {
    opacity: 0;
    transform: translateX(100%);
  }
}

/* Inline Alert (Compact) */
.alert-inline {
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-xs);
}

.alert-inline .alert-icon {
  width: 16px;
  height: 16px;
}

.alert-inline .alert-message {
  font-size: var(--text-xs);
}

/* Alert with Left Border Accent */
.alert-accent {
  border-left-width: 4px;
}

.alert-accent.alert-info {
  border-left-color: var(--admin-blue);
}

.alert-accent.alert-success {
  border-left-color: var(--admin-green);
}

.alert-accent.alert-warning {
  border-left-color: var(--admin-yellow);
}

.alert-accent.alert-danger {
  border-left-color: var(--admin-red);
}

/* ============================================
   15. PAGE MODALS (custom per-page modals)
   ============================================ */

/* Modal Overlay */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: all var(--admin-transition-normal, 0.2s);
}

.modal-overlay.show {
  opacity: 1;
  visibility: visible;
}

/* Modal Container */
.modal-overlay .modal {
  background: var(--admin-surface);
  border: 1px solid var(--admin-border);
  border-radius: var(--admin-radius-xl, 16px);
  width: 100%;
  max-width: 500px;
  max-height: 90vh;
  overflow-y: auto;
  transform: scale(0.95);
  transition: transform var(--admin-transition-normal, 0.2s);
}

.modal-overlay.show .modal {
  transform: scale(1);
}

/* Modal Sizes */
.modal-overlay .modal.modal-sm {
  max-width: 400px;
}

.modal-overlay .modal.modal-lg {
  max-width: 700px;
}

.modal-overlay .modal.modal-xl {
  max-width: 900px;
}

/* Modal Header */
.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-5, 1.25rem) var(--space-6, 1.5rem);
  border-bottom: 1px solid var(--admin-border);
}

.modal-title {
  font-size: var(--text-lg, 1.125rem);
  font-weight: 600;
  color: var(--admin-text);
}

.modal-close {
  width: 32px;
  height: 32px;
  border-radius: var(--admin-radius-md, 8px);
  border: none;
  background: transparent;
  color: var(--admin-text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--admin-transition-fast, 0.15s);
}

.modal-close:hover {
  background: var(--admin-bg-subtle);
  color: var(--admin-text);
}

.modal-close:focus-visible {
  outline: 2px solid var(--admin-accent, var(--admin-orange));
  outline-offset: 2px;
}

.modal-close svg {
  width: 18px;
  height: 18px;
}

/* Modal Body */
.modal-body {
  padding: var(--space-6, 1.5rem);
}

/* Modal Footer */
.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-3, 0.75rem);
  padding: var(--space-4, 1rem) var(--space-6, 1.5rem);
  border-top: 1px solid var(--admin-border);
  background: var(--admin-bg-subtle);
}

/* ============================================
   16. FILTER TABS
   ============================================ */

/* Filter Tab Container */
.filter-tabs {
  display: flex;
  gap: var(--space-1, 0.25rem);
  padding: var(--space-1, 0.25rem);
  background: var(--admin-bg-subtle);
  border-radius: var(--admin-radius-lg, 12px);
  overflow-x: auto;
  scrollbar-width: none;
}

.filter-tabs::-webkit-scrollbar {
  display: none;
}

/* Filter Tab Button */
.filter-tab {
  padding: var(--space-2, 0.5rem) var(--space-4, 1rem);
  font-size: var(--text-sm, 0.875rem);
  font-weight: 500;
  color: var(--admin-text-muted);
  background: transparent;
  border: none;
  border-radius: var(--admin-radius-md, 8px);
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--admin-transition-fast, 0.15s);
}

.filter-tab:hover {
  color: var(--admin-text);
  background: var(--admin-surface);
}

.filter-tab.active {
  background: var(--admin-surface);
  color: var(--admin-text);
  font-weight: 600;
  box-shadow: var(--admin-shadow-sm);
}

.filter-tab:focus-visible {
  outline: 2px solid var(--admin-accent, var(--admin-orange));
  outline-offset: 2px;
}

/* Filter Tab with Count Badge */
.filter-tab .count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 20px;
  height: 20px;
  padding: 0 var(--space-1, 0.25rem);
  margin-left: var(--space-2, 0.5rem);
  font-size: 11px;
  font-weight: 700;
  background: var(--admin-border);
  border-radius: var(--admin-radius-full, 100px);
}

.filter-tab.active .count {
  background: rgba(242, 101, 34, 0.1);
  color: var(--admin-orange);
}

/* ============================================
   DARK THEME OVERRIDES
   ============================================ */

[data-theme="dark"] {
  /* Input backgrounds */
  --input-bg: var(--admin-surface);

  /* Tooltip inverted */
  [data-tooltip]::after,
  .tooltip {
    background: var(--admin-surface);
    color: var(--admin-text);
    border: 1px solid var(--admin-border);
  }

  [data-tooltip]::before {
    border-top-color: var(--admin-surface);
  }

  [data-tooltip-position="bottom"]::before {
    border-top-color: transparent;
    border-bottom-color: var(--admin-surface);
  }

  [data-tooltip-position="left"]::before {
    border-top-color: transparent;
    border-left-color: var(--admin-surface);
  }

  [data-tooltip-position="right"]::before {
    border-top-color: transparent;
    border-right-color: var(--admin-surface);
  }
}

/* ============================================
   UTILITY CLASSES
   ============================================ */

/* Visually Hidden (Accessible) */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Focus Ring */
.focus-ring:focus-visible {
  outline: none;
  box-shadow: var(--btn-focus-ring);
}

/* Truncate Text */
.truncate {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.line-clamp-1 {
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.line-clamp-2 {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.line-clamp-3 {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Cursor Utilities */
.cursor-pointer { cursor: pointer; }
.cursor-not-allowed { cursor: not-allowed; }
.cursor-move { cursor: move; }

/* Pointer Events */
.pointer-events-none { pointer-events: none; }
.pointer-events-auto { pointer-events: auto; }

/* User Select */
.select-none { user-select: none; }
.select-text { user-select: text; }
.select-all { user-select: all; }

/* Overflow */
.overflow-auto { overflow: auto; }
.overflow-hidden { overflow: hidden; }
.overflow-visible { overflow: visible; }
.overflow-x-auto { overflow-x: auto; }
.overflow-y-auto { overflow-y: auto; }

/* Aspect Ratios */
.aspect-square { aspect-ratio: 1/1; }
.aspect-video { aspect-ratio: 16/9; }
.aspect-portrait { aspect-ratio: 3/4; }

/* Object Fit */
.object-cover { object-fit: cover; }
.object-contain { object-fit: contain; }
.object-fill { object-fit: fill; }

/* ============================================
   RESPONSIVE VISIBILITY
   ============================================ */

@media (max-width: 640px) {
  .hidden-mobile { display: none !important; }
}

@media (min-width: 641px) and (max-width: 1023px) {
  .hidden-tablet { display: none !important; }
}

@media (min-width: 1024px) {
  .hidden-desktop { display: none !important; }
}

@media (max-width: 1023px) {
  .hidden-mobile-tablet { display: none !important; }
}

@media (min-width: 641px) {
  .hidden-tablet-desktop { display: none !important; }
}

/* ============================================
   PRINT STYLES
   ============================================ */

@media print {
  .no-print {
    display: none !important;
  }

  .print-only {
    display: block !important;
  }

  .alert,
  .badge,
  .btn {
    box-shadow: none !important;
  }

  .card {
    border: 1px solid #ddd !important;
    box-shadow: none !important;
  }
}

/* ============================================
   EDITOR PAGE LAYOUT
   ============================================ */
.editor-page {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 var(--space-6, 1.5rem);
}

.editor-page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4, 1rem) 0;
  margin-bottom: var(--space-6, 1.5rem);
  position: sticky;
  top: 0;
  background: var(--admin-bg, #f8fafc);
  z-index: 10;
  border-bottom: 1px solid var(--admin-border, #e2e8f0);
}

.editor-page-header h1 {
  font-size: 1.5rem;
  font-weight: 700;
}

.editor-page-header .editor-actions {
  display: flex;
  gap: var(--space-3, 0.75rem);
}

.editor-page-body {
  padding-bottom: var(--space-16, 4rem);
}

.form-section {
  background: var(--admin-surface, #fff);
  border: 1px solid var(--admin-border, #e2e8f0);
  border-radius: var(--admin-radius-lg, 12px);
  padding: var(--space-6, 1.5rem);
  margin-bottom: var(--space-6, 1.5rem);
}

.form-section-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--admin-text, #1e293b);
  margin-bottom: var(--space-4, 1rem);
  padding-bottom: var(--space-3, 0.75rem);
  border-bottom: 1px solid var(--admin-border, #e2e8f0);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4, 1rem);
}

@media (max-width: 640px) {
  .form-row {
    grid-template-columns: 1fr;
  }
}

.form-hint {
  font-size: 0.75rem;
  color: var(--admin-text-muted, #94a3b8);
  margin-top: var(--space-1, 0.25rem);
}

/* ============================================
   FORM VALIDATION
   ============================================ */
.form-input.error,
.form-select.error {
  border-color: #ef4444;
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.15);
  animation: shake 0.3s ease;
}

.form-input.valid,
.form-select.valid {
  border-color: #22c55e;
}

.validation-error {
  font-size: 0.75rem;
  color: #ef4444;
  margin-top: var(--space-1, 0.25rem);
  display: flex;
  align-items: center;
  gap: 4px;
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-4px); }
  75% { transform: translateX(4px); }
}

/* ============================================
   CERT PREVIEW CLASSES (replaces inline styles)
   ============================================ */
.cert-preview {
  text-align: center;
  padding: 2rem;
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
  border-radius: var(--radius-lg);
  border: 2px solid rgba(99, 102, 241, 0.3);
}

.cert-preview-provider {
  font-size: 0.9rem;
  color: #a5b4fc;
  text-transform: uppercase;
  letter-spacing: 3px;
  margin-bottom: 1rem;
}

.cert-preview-name {
  font-size: 2rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.5rem;
}

.cert-preview-description {
  color: #94a3b8;
  margin-bottom: 2rem;
}

.cert-preview-stats {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.cert-preview-stat {
  text-align: center;
}

.cert-preview-stat-label {
  font-size: 0.75rem;
  color: #64748b;
  text-transform: uppercase;
}

.cert-preview-stat-value {
  color: #fff;
}

.cert-preview-exam-info {
  font-size: 0.85rem;
  color: #94a3b8;
  padding: 1rem;
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-xl);
  text-align: left;
}

.cert-preview-link {
  margin-top: 1rem;
}

.cert-preview-link a {
  color: #818cf8;
  font-size: 0.85rem;
}

/* ============================================
   FORM INPUT POLISH
   ============================================ */
.form-input,
.form-select,
.form-textarea {
  min-height: 40px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--admin-accent, #F26522);
  box-shadow: 0 0 0 3px rgba(242, 101, 34, 0.12);
  outline: none;
}

/* ============================================
   MARKDOWN EDITOR
   ============================================ */
.md-editor {
  border: 1px solid var(--admin-border, #e2e8f0);
  border-radius: var(--admin-radius-md, 8px);
  overflow: hidden;
}

.md-toolbar {
  display: flex;
  align-items: center;
  gap: 2px;
  padding: 6px 8px;
  background: var(--admin-bg-subtle, #f8fafc);
  border-bottom: 1px solid var(--admin-border, #e2e8f0);
}

.md-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border: none;
  background: transparent;
  border-radius: 6px;
  cursor: pointer;
  color: var(--admin-text-muted, #64748b);
  transition: all 0.15s ease;
}

.md-btn:hover {
  background: var(--admin-bg-hover, #e2e8f0);
  color: var(--admin-text, #1e293b);
}

.md-btn.active {
  background: var(--admin-accent, #F26522);
  color: #fff;
}

.md-separator {
  width: 1px;
  height: 20px;
  background: var(--admin-border, #e2e8f0);
  margin: 0 4px;
}

.md-textarea {
  width: 100%;
  padding: 12px;
  border: none;
  resize: vertical;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--admin-text, #1e293b);
  background: var(--admin-surface, #fff);
}

.md-textarea:focus {
  outline: none;
}

.md-preview {
  padding: 12px;
  overflow-y: auto;
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--admin-text, #1e293b);
  background: var(--admin-surface, #fff);
}

.md-preview h1, .md-preview h2, .md-preview h3 {
  margin-top: 1rem;
  margin-bottom: 0.5rem;
}

.md-preview p {
  margin-bottom: 0.75rem;
}

.md-preview ul, .md-preview ol {
  padding-left: 1.5rem;
  margin-bottom: 0.75rem;
}

.md-preview code {
  background: var(--admin-bg-subtle, #f1f5f9);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.85em;
}

.md-preview a {
  color: var(--admin-accent, #F26522);
}