/**
 * DESIGN SYSTEM - Moteur Visuel IA
 *
 * Tokens, variables, composants de base.
 * Vanilla CSS moderne avec dark mode.
 */

/* ===========================================
   1. COLOR TOKENS
   =========================================== */

:root {
  /* Primary palette */
  --color-primary: #6366f1;
  --color-primary-hover: #4f46e5;
  --color-primary-light: rgba(99, 102, 241, 0.1);
  --color-primary-dark: #4338ca;

  /* Secondary palette */
  --color-secondary: #8b5cf6;
  --color-secondary-hover: #7c3aed;
  --color-secondary-light: rgba(139, 92, 246, 0.1);

  /* Semantic colors */
  --color-success: #10b981;
  --color-success-hover: #059669;
  --color-success-light: rgba(16, 185, 129, 0.1);

  --color-error: #ef4444;
  --color-error-hover: #dc2626;
  --color-error-light: rgba(239, 68, 68, 0.1);

  --color-warning: #f59e0b;
  --color-warning-hover: #d97706;
  --color-warning-light: rgba(245, 158, 11, 0.1);

  --color-info: #3b82f6;
  --color-info-hover: #2563eb;
  --color-info-light: rgba(59, 130, 246, 0.1);

  /* Background - Light mode (default) */
  --color-bg-primary: #ffffff;
  --color-bg-secondary: #f8fafc;
  --color-bg-tertiary: #f1f5f9;
  --color-bg-elevated: #ffffff;

  /* Text - Light mode */
  --color-text-primary: #0f172a;
  --color-text-secondary: #475569;
  --color-text-tertiary: #94a3b8;
  --color-text-inverse: #ffffff;

  /* Border - Light mode */
  --color-border: #e2e8f0;
  --color-border-hover: #cbd5e1;
  --color-border-focus: var(--color-primary);

  /* Overlay */
  --color-overlay: rgba(0, 0, 0, 0.5);
  --color-backdrop: rgba(0, 0, 0, 0.3);
}

/* ===========================================
   2. DARK MODE
   =========================================== */

[data-theme='dark'],
:root:has([data-theme='dark']) {
  /* Background - Dark mode */
  --color-bg-primary: #0f0f1a;
  --color-bg-secondary: #1a1a2e;
  --color-bg-tertiary: #252538;
  --color-bg-elevated: #1e1e32;

  /* Text - Dark mode */
  --color-text-primary: #ffffff;
  --color-text-secondary: #a0a0b8;
  --color-text-tertiary: #6b6b84;
  --color-text-inverse: #0f172a;

  /* Border - Dark mode */
  --color-border: rgba(255, 255, 255, 0.1);
  --color-border-hover: rgba(255, 255, 255, 0.2);

  /* Overlay - Dark mode */
  --color-overlay: rgba(0, 0, 0, 0.7);
  --color-backdrop: rgba(0, 0, 0, 0.5);
}

/* System preference fallback */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme='light']) {
    --color-bg-primary: #0f0f1a;
    --color-bg-secondary: #1a1a2e;
    --color-bg-tertiary: #252538;
    --color-bg-elevated: #1e1e32;
    --color-text-primary: #ffffff;
    --color-text-secondary: #a0a0b8;
    --color-text-tertiary: #6b6b84;
    --color-text-inverse: #0f172a;
    --color-border: rgba(255, 255, 255, 0.1);
    --color-border-hover: rgba(255, 255, 255, 0.2);
    --color-overlay: rgba(0, 0, 0, 0.7);
    --color-backdrop: rgba(0, 0, 0, 0.5);
  }
}

/* ===========================================
   3. SPACING TOKENS
   =========================================== */

:root {
  --spacing-0: 0;
  --spacing-1: 0.25rem;   /* 4px */
  --spacing-2: 0.5rem;    /* 8px */
  --spacing-3: 0.75rem;   /* 12px */
  --spacing-4: 1rem;      /* 16px */
  --spacing-5: 1.25rem;   /* 20px */
  --spacing-6: 1.5rem;    /* 24px */
  --spacing-8: 2rem;      /* 32px */
  --spacing-10: 2.5rem;   /* 40px */
  --spacing-12: 3rem;     /* 48px */
  --spacing-16: 4rem;     /* 64px */
}

/* ===========================================
   4. TYPOGRAPHY TOKENS
   =========================================== */

:root {
  /* Font families */
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  --font-mono: 'SF Mono', 'Fira Code', 'Fira Mono', Menlo, Monaco, Consolas, monospace;

  /* Font sizes */
  --text-xs: 0.75rem;     /* 12px */
  --text-sm: 0.875rem;    /* 14px */
  --text-base: 1rem;      /* 16px */
  --text-lg: 1.125rem;    /* 18px */
  --text-xl: 1.25rem;     /* 20px */
  --text-2xl: 1.5rem;     /* 24px */
  --text-3xl: 2rem;       /* 32px */
  --text-4xl: 2.5rem;     /* 40px */
  --text-5xl: 3rem;       /* 48px */

  /* Font weights */
  --font-normal: 400;
  --font-medium: 500;
  --font-semibold: 600;
  --font-bold: 700;

  /* Line heights */
  --leading-none: 1;
  --leading-tight: 1.25;
  --leading-snug: 1.375;
  --leading-normal: 1.5;
  --leading-relaxed: 1.625;
}

/* ===========================================
   5. LAYOUT TOKENS
   =========================================== */

:root {
  /* Border radius */
  --radius-none: 0;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-2xl: 24px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);

  /* Container */
  --container-sm: 640px;
  --container-md: 768px;
  --container-lg: 1024px;
  --container-xl: 1280px;
  --container-2xl: 1400px;

  /* Z-index */
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-overlay: 300;
  --z-modal: 400;
  --z-popover: 500;
  --z-tooltip: 600;
  --z-toast: 700;
}

/* Dark mode shadow adjustments */
[data-theme='dark'] {
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.25);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -2px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -4px rgba(0, 0, 0, 0.3);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.5), 0 8px 10px -6px rgba(0, 0, 0, 0.4);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.6);
}

/* ===========================================
   6. TRANSITIONS
   =========================================== */

:root {
  --transition-fast: 150ms ease;
  --transition-base: 200ms ease;
  --transition-slow: 300ms ease;
  --transition-smooth: 300ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===========================================
   7. COMPONENT: BUTTONS
   =========================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-2);
  padding: var(--spacing-3) var(--spacing-4);
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  line-height: var(--leading-tight);
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition-smooth);
  white-space: nowrap;
  user-select: none;
}

.btn:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

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

/* Button variants */
.btn--primary {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  color: var(--color-text-inverse);
  box-shadow: var(--shadow-md);
}

.btn--primary:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

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

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

.btn--success {
  background: linear-gradient(135deg, var(--color-success) 0%, var(--color-success-hover) 100%);
  color: var(--color-text-inverse);
}

.btn--success:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn--danger {
  background: linear-gradient(135deg, var(--color-error) 0%, var(--color-error-hover) 100%);
  color: var(--color-text-inverse);
}

.btn--danger:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn--warning {
  background: linear-gradient(135deg, var(--color-warning) 0%, var(--color-warning-hover) 100%);
  color: var(--color-text-inverse);
}

.btn--warning:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

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

.btn--ghost:hover:not(:disabled) {
  background: var(--color-bg-tertiary);
  color: var(--color-text-primary);
}

.btn--outline {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn--outline:hover:not(:disabled) {
  background: var(--color-primary-light);
}

/* Button sizes */
.btn--sm {
  padding: var(--spacing-2) var(--spacing-3);
  font-size: var(--text-xs);
}

.btn--lg {
  padding: var(--spacing-4) var(--spacing-6);
  font-size: var(--text-base);
}

.btn--xl {
  padding: var(--spacing-5) var(--spacing-8);
  font-size: var(--text-lg);
}

/* Icon-only button */
.btn--icon {
  padding: var(--spacing-2);
  width: 36px;
  height: 36px;
}

.btn--icon.btn--sm {
  width: 28px;
  height: 28px;
}

.btn--icon.btn--lg {
  width: 44px;
  height: 44px;
}

/* Full width */
.btn--block {
  width: 100%;
}

/* Loading state */
.btn--loading {
  position: relative;
  pointer-events: none;
}

.btn--loading .btn__text {
  opacity: 0;
}

.btn--loading::after {
  content: '';
  position: absolute;
  width: 20px;
  height: 20px;
  border: 2px solid currentColor;
  border-top-color: transparent;
  border-radius: var(--radius-full);
  animation: btn-spin 0.8s linear infinite;
}

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

/* ===========================================
   8. COMPONENT: CARDS
   =========================================== */

.card {
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.card--interactive {
  cursor: pointer;
  transition: var(--transition-smooth);
}

.card--interactive:hover {
  border-color: var(--color-border-hover);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

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

.card__header {
  padding: var(--spacing-4) var(--spacing-6);
  border-bottom: 1px solid var(--color-border);
}

.card__title {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  color: var(--color-text-primary);
  margin: 0;
}

.card__subtitle {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  margin-top: var(--spacing-1);
}

.card__body {
  padding: var(--spacing-6);
}

.card__footer {
  padding: var(--spacing-4) var(--spacing-6);
  border-top: 1px solid var(--color-border);
  background: var(--color-bg-secondary);
}

/* Card variants */
.card--primary {
  border-color: var(--color-primary);
}

.card--success {
  border-color: var(--color-success);
}

.card--warning {
  border-color: var(--color-warning);
}

.card--danger {
  border-color: var(--color-error);
}

/* ===========================================
   9. COMPONENT: INPUTS
   =========================================== */

.input {
  display: block;
  width: 100%;
  padding: var(--spacing-3) var(--spacing-4);
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  line-height: var(--leading-normal);
  color: var(--color-text-primary);
  background: var(--color-bg-primary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: var(--transition-fast);
}

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

.input:hover:not(:disabled) {
  border-color: var(--color-border-hover);
}

.input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

.input:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  background: var(--color-bg-tertiary);
}

/* Input sizes */
.input--sm {
  padding: var(--spacing-2) var(--spacing-3);
  font-size: var(--text-xs);
}

.input--lg {
  padding: var(--spacing-4) var(--spacing-5);
  font-size: var(--text-base);
}

/* Input states */
.input--error {
  border-color: var(--color-error);
}

.input--error:focus {
  box-shadow: 0 0 0 3px var(--color-error-light);
}

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

.input--success:focus {
  box-shadow: 0 0 0 3px var(--color-success-light);
}

/* Textarea */
.textarea {
  min-height: 100px;
  resize: vertical;
}

/* Select */
.select {
  appearance: none;
  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='%2394a3b8' stroke-width='2' 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: right var(--spacing-3) center;
  padding-right: var(--spacing-10);
}

/* Input group */
.input-group {
  display: flex;
  gap: var(--spacing-2);
}

.input-group .input {
  flex: 1;
}

/* Label */
.label {
  display: block;
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-2);
}

/* Helper text */
.input-helper {
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
  margin-top: var(--spacing-1);
}

.input-helper--error {
  color: var(--color-error);
}

/* ===========================================
   10. COMPONENT: MODALS
   =========================================== */

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: var(--color-overlay);
  backdrop-filter: blur(4px);
  z-index: var(--z-overlay);
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-base);
}

.modal-backdrop.is-open {
  opacity: 1;
  visibility: visible;
}

.modal {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.95);
  width: 100%;
  max-width: 500px;
  max-height: 90vh;
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-2xl);
  z-index: var(--z-modal);
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-smooth);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.modal.is-open {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, -50%) scale(1);
}

.modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-4) var(--spacing-6);
  border-bottom: 1px solid var(--color-border);
}

.modal__title {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  color: var(--color-text-primary);
  margin: 0;
}

.modal__close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: transparent;
  border: none;
  border-radius: var(--radius-md);
  color: var(--color-text-tertiary);
  cursor: pointer;
  transition: var(--transition-fast);
}

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

.modal__body {
  padding: var(--spacing-6);
  overflow-y: auto;
  flex: 1;
}

.modal__footer {
  display: flex;
  justify-content: flex-end;
  gap: var(--spacing-3);
  padding: var(--spacing-4) var(--spacing-6);
  border-top: 1px solid var(--color-border);
  background: var(--color-bg-secondary);
}

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

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

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

.modal--full {
  max-width: calc(100vw - var(--spacing-8));
  max-height: calc(100vh - var(--spacing-8));
}

/* ===========================================
   11. COMPONENT: BADGES
   =========================================== */

.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--spacing-1) var(--spacing-2);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  line-height: var(--leading-none);
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

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

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

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

.badge--danger {
  background: var(--color-error-light);
  color: var(--color-error);
}

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

/* ===========================================
   12. COMPONENT: TOAST / NOTIFICATIONS
   =========================================== */

.toast-container {
  position: fixed;
  top: var(--spacing-4);
  right: var(--spacing-4);
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-2);
  max-width: 400px;
}

.toast {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-3);
  padding: var(--spacing-4);
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  animation: toast-slide-in 0.3s ease-out;
}

@keyframes toast-slide-in {
  from {
    opacity: 0;
    transform: translateX(100%);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.toast--success {
  border-left: 4px solid var(--color-success);
}

.toast--error {
  border-left: 4px solid var(--color-error);
}

.toast--warning {
  border-left: 4px solid var(--color-warning);
}

.toast--info {
  border-left: 4px solid var(--color-info);
}

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

.toast__content {
  flex: 1;
  min-width: 0;
}

.toast__title {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-text-primary);
}

.toast__message {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  margin-top: var(--spacing-1);
}

.toast__close {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  background: transparent;
  border: none;
  color: var(--color-text-tertiary);
  cursor: pointer;
  transition: var(--transition-fast);
}

.toast__close:hover {
  color: var(--color-text-primary);
}

/* ===========================================
   13. COMPONENT: PROGRESS BAR
   =========================================== */

.progress {
  width: 100%;
  height: 8px;
  background: var(--color-bg-tertiary);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress__bar {
  height: 100%;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
  border-radius: var(--radius-full);
  transition: width 0.3s ease;
}

.progress--sm {
  height: 4px;
}

.progress--lg {
  height: 12px;
}

/* Animated progress */
.progress--animated .progress__bar {
  background-size: 200% 100%;
  animation: progress-shimmer 2s linear infinite;
}

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

/* ===========================================
   14. COMPONENT: SPINNER
   =========================================== */

.spinner {
  display: inline-block;
  width: 24px;
  height: 24px;
  border: 3px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: var(--radius-full);
  animation: spinner-rotate 0.8s linear infinite;
}

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

.spinner--sm {
  width: 16px;
  height: 16px;
  border-width: 2px;
}

.spinner--lg {
  width: 40px;
  height: 40px;
  border-width: 4px;
}

/* ===========================================
   15. COMPONENT: TOGGLE
   =========================================== */

.toggle {
  position: relative;
  display: inline-block;
  width: 44px;
  height: 24px;
}

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

.toggle__slider {
  position: absolute;
  inset: 0;
  background: var(--color-bg-tertiary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: var(--transition-base);
}

.toggle__slider::before {
  content: '';
  position: absolute;
  left: 2px;
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 18px;
  background: var(--color-text-tertiary);
  border-radius: var(--radius-full);
  transition: var(--transition-base);
}

.toggle input:checked + .toggle__slider {
  background: var(--color-primary);
  border-color: var(--color-primary);
}

.toggle input:checked + .toggle__slider::before {
  transform: translateY(-50%) translateX(20px);
  background: white;
}

.toggle input:focus-visible + .toggle__slider {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* ===========================================
   16. DARK MODE TOGGLE COMPONENT
   =========================================== */

.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--color-bg-tertiary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition-base);
  color: var(--color-text-secondary);
}

.theme-toggle:hover {
  background: var(--color-bg-secondary);
  border-color: var(--color-border-hover);
  color: var(--color-text-primary);
}

.theme-toggle svg {
  width: 20px;
  height: 20px;
}

/* Hide sun/moon based on theme */
.theme-toggle .icon-sun {
  display: none;
}

.theme-toggle .icon-moon {
  display: block;
}

[data-theme='dark'] .theme-toggle .icon-sun {
  display: block;
}

[data-theme='dark'] .theme-toggle .icon-moon {
  display: none;
}

/* ===========================================
   17. UTILITIES
   =========================================== */

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

/* Flexbox */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: var(--spacing-1); }
.gap-2 { gap: var(--spacing-2); }
.gap-3 { gap: var(--spacing-3); }
.gap-4 { gap: var(--spacing-4); }

/* Text */
.text-center { text-align: center; }
.text-primary { color: var(--color-text-primary); }
.text-secondary { color: var(--color-text-secondary); }
.text-tertiary { color: var(--color-text-tertiary); }

/* Background */
.bg-primary { background: var(--color-bg-primary); }
.bg-secondary { background: var(--color-bg-secondary); }
.bg-tertiary { background: var(--color-bg-tertiary); }

/* Margin/Padding shortcuts */
.m-0 { margin: 0; }
.mt-2 { margin-top: var(--spacing-2); }
.mt-4 { margin-top: var(--spacing-4); }
.mb-2 { margin-bottom: var(--spacing-2); }
.mb-4 { margin-bottom: var(--spacing-4); }
.p-4 { padding: var(--spacing-4); }
.p-6 { padding: var(--spacing-6); }

/* Width */
.w-full { width: 100%; }

/* ===========================================
   18. RESPONSIVE
   =========================================== */

@media (max-width: 768px) {
  .modal {
    max-width: calc(100vw - var(--spacing-4));
    margin: var(--spacing-4);
  }

  .toast-container {
    left: var(--spacing-4);
    right: var(--spacing-4);
    max-width: none;
  }
}

/* ===========================================
   19. REDUCED MOTION
   =========================================== */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ===========================================
   20. COMPONENT: QUEUE MANAGER
   =========================================== */

.queue-manager {
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  overflow: hidden;
}

.queue-manager__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-3) var(--spacing-4);
  background: var(--color-bg-secondary);
  border-bottom: 1px solid var(--color-border);
}

.queue-manager__title {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-text-primary);
}

.queue-manager__title svg {
  color: var(--color-text-tertiary);
}

.queue-manager__count {
  margin-left: var(--spacing-1);
}

.queue-manager__actions {
  display: flex;
  gap: var(--spacing-1);
}

.queue-manager__body {
  max-height: 400px;
  overflow-y: auto;
}

.queue-manager__list {
  padding: var(--spacing-2);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-2);
}

.queue-manager__empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-8);
  color: var(--color-text-tertiary);
  text-align: center;
}

.queue-manager__empty svg {
  margin-bottom: var(--spacing-2);
  opacity: 0.5;
}

.queue-manager__empty p {
  font-size: var(--text-sm);
  margin: 0;
}

/* Queue Job Item */
.queue-job {
  background: var(--color-bg-primary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--spacing-3);
  transition: var(--transition-fast);
}

.queue-job:hover {
  border-color: var(--color-border-hover);
}

.queue-job--error {
  border-color: var(--color-error);
  background: var(--color-error-light);
}

.queue-job__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-2);
}

.queue-job__info {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  flex: 1;
  min-width: 0;
}

.queue-job__operation {
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.queue-job__actions {
  display: flex;
  gap: var(--spacing-1);
  opacity: 0;
  transition: var(--transition-fast);
}

.queue-job:hover .queue-job__actions {
  opacity: 1;
}

.queue-job__progress {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  margin-top: var(--spacing-2);
}

.queue-job__progress .progress {
  flex: 1;
}

.queue-job__progress-text {
  font-size: var(--text-xs);
  font-weight: var(--font-medium);
  color: var(--color-text-secondary);
  min-width: 3em;
  text-align: right;
}

.queue-job__error {
  margin-top: var(--spacing-2);
  padding: var(--spacing-2);
  background: var(--color-bg-primary);
  border-radius: var(--radius-sm);
  font-size: var(--text-xs);
  color: var(--color-error);
}

.queue-job__footer {
  display: flex;
  justify-content: space-between;
  margin-top: var(--spacing-2);
  padding-top: var(--spacing-2);
  border-top: 1px solid var(--color-border);
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
}

.queue-job__id {
  font-family: var(--font-mono);
}

/* Badge secondary variant (ajout si manquant) */
.badge--secondary {
  background: var(--color-bg-tertiary);
  color: var(--color-text-secondary);
}

/* Queue Manager Panel - Position flottante */
.queue-manager-panel {
  position: fixed;
  bottom: var(--spacing-4);
  right: var(--spacing-4);
  width: 360px;
  max-width: calc(100vw - var(--spacing-8));
  z-index: var(--z-overlay);
}

@media (max-width: 480px) {
  .queue-manager-panel {
    width: calc(100vw - var(--spacing-4));
    right: var(--spacing-2);
    bottom: var(--spacing-2);
  }
}