/* ============================================
   ASTERION COMPONENTS - UI Components
   Source unique de verite pour l'ecosysteme
   Version: 1.0.0
   Date: 2025-12-20
   ============================================ */

/* ============================================
   BOUTONS - Style QMS avec gradient vertical
   ============================================ */

.ast-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-2);
  padding: 0.5rem 1rem;
  font-family: var(--font-family-base);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  line-height: var(--line-height-tight);
  text-decoration: none;
  white-space: nowrap;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  user-select: none;
}

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

/* Primary Button - Glossy gradient */
.ast-btn-primary {
  background:
    linear-gradient(to bottom,
      rgba(255, 255, 255, 0.18) 0%,
      rgba(255, 255, 255, 0.05) 45%,
      transparent 50%,
      rgba(0, 0, 0, 0.05) 80%,
      rgba(0, 0, 0, 0.1) 100%
    ),
    var(--module-color, var(--ast-piloter));
  color: #ffffff;
  border-color: rgba(0, 0, 0, 0.15);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.2),
    0 1px 3px rgba(0, 0, 0, 0.12),
    0 1px 2px rgba(0, 0, 0, 0.08);
  text-shadow: 0 1px 1px rgba(0, 0, 0, 0.15);
}

.ast-btn-primary:hover {
  filter: brightness(1.08);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.25),
    0 4px 8px rgba(0, 0, 0, 0.15),
    0 2px 4px rgba(0, 0, 0, 0.1);
  transform: translateY(-1px);
}

.ast-btn-primary:active {
  filter: brightness(0.95);
  transform: translateY(0);
  box-shadow:
    inset 0 2px 4px rgba(0, 0, 0, 0.15),
    0 1px 2px rgba(0, 0, 0, 0.1);
}

/* Secondary Button */
.ast-btn-secondary {
  background:
    linear-gradient(to bottom,
      rgba(255, 255, 255, 0.08) 0%,
      transparent 100%
    ),
    var(--background-secondary);
  color: var(--text-primary);
  border-color: var(--border-primary);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}

.ast-btn-secondary:hover {
  background:
    linear-gradient(to bottom,
      rgba(255, 255, 255, 0.12) 0%,
      transparent 100%
    ),
    var(--background-tertiary);
  border-color: var(--border-secondary);
}

/* Success Button */
.ast-btn-success {
  background:
    linear-gradient(to bottom,
      rgba(255, 255, 255, 0.18) 0%,
      rgba(255, 255, 255, 0.05) 45%,
      transparent 50%,
      rgba(0, 0, 0, 0.05) 80%,
      rgba(0, 0, 0, 0.1) 100%
    ),
    var(--color-success);
  color: #ffffff;
  border-color: rgba(0, 0, 0, 0.15);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.2),
    0 1px 3px rgba(0, 0, 0, 0.12);
  text-shadow: 0 1px 1px rgba(0, 0, 0, 0.15);
}

.ast-btn-success:hover {
  filter: brightness(1.08);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.25),
    0 4px 8px rgba(0, 0, 0, 0.15);
  transform: translateY(-1px);
}

/* Danger Button */
.ast-btn-danger {
  background:
    linear-gradient(to bottom,
      rgba(255, 255, 255, 0.18) 0%,
      rgba(255, 255, 255, 0.05) 45%,
      transparent 50%,
      rgba(0, 0, 0, 0.05) 80%,
      rgba(0, 0, 0, 0.1) 100%
    ),
    var(--color-danger);
  color: #ffffff;
  border-color: rgba(0, 0, 0, 0.15);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.2),
    0 1px 3px rgba(0, 0, 0, 0.12);
  text-shadow: 0 1px 1px rgba(0, 0, 0, 0.15);
}

.ast-btn-danger:hover {
  filter: brightness(1.08);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.25),
    0 4px 8px rgba(0, 0, 0, 0.15);
  transform: translateY(-1px);
}

/* Warning Button */
.ast-btn-warning {
  background:
    linear-gradient(to bottom,
      rgba(255, 255, 255, 0.18) 0%,
      rgba(255, 255, 255, 0.05) 45%,
      transparent 50%,
      rgba(0, 0, 0, 0.05) 80%,
      rgba(0, 0, 0, 0.1) 100%
    ),
    var(--color-warning);
  color: #1a1a1a;
  border-color: rgba(0, 0, 0, 0.15);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.3),
    0 1px 3px rgba(0, 0, 0, 0.12);
}

.ast-btn-warning:hover {
  filter: brightness(1.08);
  transform: translateY(-1px);
}

/* Ghost Button */
.ast-btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border-color: transparent;
}

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

/* Button Sizes */
.ast-btn-xs {
  padding: 0.25rem 0.5rem;
  font-size: var(--font-size-xs);
  gap: var(--spacing-1);
}

.ast-btn-sm {
  padding: 0.375rem 0.75rem;
  font-size: var(--font-size-sm);
}

.ast-btn-lg {
  padding: 0.75rem 1.5rem;
  font-size: var(--font-size-md);
}

.ast-btn-xl {
  padding: 1rem 2rem;
  font-size: var(--font-size-lg);
}

/* Icon Button */
.ast-btn-icon {
  padding: 0.5rem;
  aspect-ratio: 1;
}

.ast-btn-icon.ast-btn-xs { padding: 0.25rem; }
.ast-btn-icon.ast-btn-sm { padding: 0.375rem; }
.ast-btn-icon.ast-btn-lg { padding: 0.75rem; }

/* ============================================
   TABLES - Style QMS
   ============================================ */

.ast-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  background: var(--background-card);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-lg);
  overflow: hidden;
  font-size: var(--font-size-base);
}

.ast-table thead {
  background:
    linear-gradient(to bottom,
      rgba(255, 255, 255, 0.05) 0%,
      transparent 100%
    ),
    var(--background-secondary);
}

.ast-table th {
  padding: 0.75rem 1rem;
  text-align: left;
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wide);
  border-bottom: 1px solid var(--border-primary);
  white-space: nowrap;
}

.ast-table td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border-light);
  color: var(--text-primary);
  vertical-align: middle;
}

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

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

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

/* Table variants */
.ast-table-striped tbody tr:nth-child(even) {
  background: var(--background-tertiary);
}

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

.ast-table-compact th,
.ast-table-compact td {
  padding: 0.5rem 0.75rem;
}

.ast-table-borderless,
.ast-table-borderless th,
.ast-table-borderless td {
  border: none;
}

/* ============================================
   FORMS - Style QMS
   ============================================ */

.ast-form-group {
  margin-bottom: var(--spacing-4);
}

.ast-label {
  display: block;
  margin-bottom: var(--spacing-1-5);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--text-secondary);
}

.ast-label-required::after {
  content: ' *';
  color: var(--color-danger);
}

.ast-input,
.ast-select,
.ast-textarea {
  width: 100%;
  padding: 0.5rem 0.75rem;
  font-family: var(--font-family-base);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-normal);
  color: var(--text-primary);
  background: var(--background-input);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  outline: none;
}

.ast-input:hover,
.ast-select:hover,
.ast-textarea:hover {
  border-color: var(--border-secondary);
}

.ast-input:focus,
.ast-select:focus,
.ast-textarea:focus {
  border-color: var(--module-color, var(--ast-piloter));
  box-shadow: 0 0 0 3px rgba(var(--module-color-rgb, var(--ast-piloter-rgb)), 0.15);
  background: var(--background-input-focus);
}

.ast-input::placeholder,
.ast-textarea::placeholder {
  color: var(--text-placeholder);
}

.ast-input:disabled,
.ast-select:disabled,
.ast-textarea:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  background: var(--background-tertiary);
}

/* Input sizes */
.ast-input-sm {
  padding: 0.375rem 0.625rem;
  font-size: var(--font-size-sm);
}

.ast-input-lg {
  padding: 0.75rem 1rem;
  font-size: var(--font-size-md);
}

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

/* Select */
.ast-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236c757d' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  padding-right: 2.5rem;
  cursor: pointer;
}

/* Checkbox & Radio */
.ast-checkbox,
.ast-radio {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-2);
  cursor: pointer;
  font-size: var(--font-size-base);
  color: var(--text-primary);
}

.ast-checkbox input,
.ast-radio input {
  width: 18px;
  height: 18px;
  margin: 0;
  accent-color: var(--module-color, var(--ast-piloter));
  cursor: pointer;
}

/* Input with icon */
.ast-input-group {
  position: relative;
  display: flex;
  align-items: center;
}

.ast-input-group .ast-input {
  padding-left: 2.5rem;
}

.ast-input-group-icon {
  position: absolute;
  left: 0.75rem;
  color: var(--text-muted);
  pointer-events: none;
}

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

.ast-input-error:focus {
  box-shadow: 0 0 0 3px rgba(var(--color-danger-rgb), 0.15);
}

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

.ast-input-success:focus {
  box-shadow: 0 0 0 3px rgba(var(--color-success-rgb), 0.15);
}

.ast-form-error {
  margin-top: var(--spacing-1);
  font-size: var(--font-size-sm);
  color: var(--color-danger);
}

.ast-form-hint {
  margin-top: var(--spacing-1);
  font-size: var(--font-size-sm);
  color: var(--text-muted);
}

/* ============================================
   CARDS - Style QMS
   ============================================ */

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

.ast-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-4);
  padding: var(--spacing-4) var(--spacing-5);
  border-bottom: 1px solid var(--border-light);
  background:
    linear-gradient(to bottom,
      rgba(255, 255, 255, 0.03) 0%,
      transparent 100%
    );
}

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

.ast-card-subtitle {
  margin: var(--spacing-1) 0 0 0;
  font-size: var(--font-size-sm);
  color: var(--text-muted);
}

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

.ast-card-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--spacing-3);
  padding: var(--spacing-4) var(--spacing-5);
  border-top: 1px solid var(--border-light);
  background: var(--background-tertiary);
}

/* Card with accent border */
.ast-card-accent {
  border-left: 4px solid var(--module-color, var(--ast-piloter));
}

/* Clickable card */
.ast-card-clickable {
  cursor: pointer;
  transition: all var(--transition-fast);
}

.ast-card-clickable:hover {
  border-color: var(--module-color, var(--ast-piloter));
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

/* ============================================
   BADGES - Style QMS
   ============================================ */

.ast-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-1);
  padding: 0.25rem 0.625rem;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  line-height: 1;
  white-space: nowrap;
  border-radius: var(--radius-full);
  border: 1px solid transparent;
}

.ast-badge-primary {
  background: rgba(var(--module-color-rgb, var(--ast-piloter-rgb)), 0.15);
  color: var(--module-color, var(--ast-piloter));
  border-color: rgba(var(--module-color-rgb, var(--ast-piloter-rgb)), 0.3);
}

.ast-badge-success {
  background: var(--badge-success-bg);
  color: var(--badge-success-fg);
  border-color: var(--badge-success-border, transparent);
}

.ast-badge-warning {
  background: var(--badge-warning-bg);
  color: var(--badge-warning-fg);
  border-color: var(--badge-warning-border, transparent);
}

.ast-badge-danger {
  background: var(--badge-danger-bg);
  color: var(--badge-danger-fg);
  border-color: var(--badge-danger-border, transparent);
}

.ast-badge-info {
  background: var(--badge-info-bg);
  color: var(--badge-info-fg);
  border-color: var(--badge-info-border, transparent);
}

.ast-badge-neutral {
  background: var(--background-tertiary);
  color: var(--text-muted);
  border-color: var(--border-primary);
}

/* Badge with dot indicator */
.ast-badge-dot::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}

/* ============================================
   NAVBAR - Style QMS
   ============================================ */

.ast-navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--navbar-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--spacing-6);
  background: var(--background-navbar);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-primary);
  z-index: var(--z-navbar);
}

.ast-navbar-brand {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  text-decoration: none;
}

.ast-navbar-brand img {
  height: 32px;
  width: auto;
}

.ast-navbar-nav {
  display: flex;
  align-items: center;
  gap: var(--spacing-1);
  list-style: none;
  margin: 0;
  padding: 0;
}

.ast-navbar-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  padding: 0.5rem 0.875rem;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--text-secondary);
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.ast-navbar-item:hover {
  background: var(--background-hover);
  color: var(--text-primary);
}

.ast-navbar-item.active {
  background: rgba(var(--module-color-rgb, var(--ast-piloter-rgb)), 0.1);
  color: var(--module-color, var(--ast-piloter));
}

.ast-navbar-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
}

/* ============================================
   SIDEBAR - Style QMS
   ============================================ */

.ast-sidebar {
  position: fixed;
  top: var(--navbar-height);
  left: 0;
  bottom: 0;
  width: var(--sidebar-width);
  background: var(--background-sidebar);
  border-right: 1px solid var(--border-primary);
  overflow-y: auto;
  overflow-x: hidden;
  z-index: var(--z-sidebar);
}

.ast-sidebar-section {
  padding: var(--spacing-4);
}

.ast-sidebar-title {
  padding: 0 var(--spacing-3);
  margin-bottom: var(--spacing-2);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wider);
}

.ast-sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-0-5);
}

.ast-sidebar-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  padding: 0.625rem var(--spacing-3);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--text-secondary);
  text-decoration: none;
  border-radius: var(--radius-md);
  border-left: 3px solid transparent;
  margin-left: -3px;
  transition: all var(--transition-fast);
}

.ast-sidebar-item:hover {
  background: var(--background-hover);
  color: var(--text-primary);
}

.ast-sidebar-item.active {
  background: rgba(var(--module-color-rgb, var(--ast-piloter-rgb)), 0.1);
  color: var(--module-color, var(--ast-piloter));
  border-left-color: var(--module-color, var(--ast-piloter));
}

.ast-sidebar-item-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  opacity: 0.7;
}

.ast-sidebar-item.active .ast-sidebar-item-icon {
  opacity: 1;
}

/* ============================================
   MAIN CONTENT AREA
   ============================================ */

.ast-main {
  margin-left: var(--sidebar-width);
  margin-top: var(--navbar-height);
  min-height: calc(100vh - var(--navbar-height));
  padding: var(--spacing-6);
}

.ast-main-full {
  margin-left: 0;
}

/* ============================================
   MODALS
   ============================================ */

.ast-modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  z-index: var(--z-modal-backdrop);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.ast-modal-backdrop.show {
  opacity: 1;
}

.ast-modal {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.95);
  width: 90%;
  max-width: 500px;
  max-height: 90vh;
  background: var(--background-card);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  z-index: var(--z-modal);
  opacity: 0;
  transition: all var(--transition-normal);
  overflow: hidden;
}

.ast-modal.show {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}

.ast-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-4) var(--spacing-5);
  border-bottom: 1px solid var(--border-light);
}

.ast-modal-title {
  margin: 0;
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
}

.ast-modal-close {
  padding: var(--spacing-1);
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.ast-modal-close:hover {
  background: var(--background-hover);
  color: var(--text-primary);
}

.ast-modal-body {
  padding: var(--spacing-5);
  overflow-y: auto;
  max-height: calc(90vh - 140px);
}

.ast-modal-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--spacing-3);
  padding: var(--spacing-4) var(--spacing-5);
  border-top: 1px solid var(--border-light);
  background: var(--background-tertiary);
}

/* Modal sizes */
.ast-modal-sm { max-width: 400px; }
.ast-modal-lg { max-width: 700px; }
.ast-modal-xl { max-width: 900px; }
.ast-modal-full { max-width: 95%; width: 95%; }

/* ============================================
   ALERTS / TOASTS
   ============================================ */

.ast-alert {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-3);
  padding: var(--spacing-4);
  border-radius: var(--radius-lg);
  border: 1px solid transparent;
  font-size: var(--font-size-sm);
}

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

.ast-alert-content {
  flex: 1;
}

.ast-alert-title {
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--spacing-1);
}

.ast-alert-info {
  background: var(--badge-info-bg);
  color: var(--badge-info-fg);
  border-color: var(--badge-info-border, transparent);
}

.ast-alert-success {
  background: var(--badge-success-bg);
  color: var(--badge-success-fg);
  border-color: var(--badge-success-border, transparent);
}

.ast-alert-warning {
  background: var(--badge-warning-bg);
  color: var(--badge-warning-fg);
  border-color: var(--badge-warning-border, transparent);
}

.ast-alert-danger {
  background: var(--badge-danger-bg);
  color: var(--badge-danger-fg);
  border-color: var(--badge-danger-border, transparent);
}

/* ============================================
   DROPDOWNS
   ============================================ */

.ast-dropdown {
  position: relative;
  display: inline-block;
}

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

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

.ast-dropdown-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  width: 100%;
  padding: 0.5rem 0.75rem;
  font-size: var(--font-size-sm);
  color: var(--text-primary);
  text-decoration: none;
  background: transparent;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background var(--transition-fast);
  text-align: left;
}

.ast-dropdown-item:hover {
  background: var(--background-hover);
}

.ast-dropdown-item-danger {
  color: var(--color-danger);
}

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

/* ============================================
   TOOLTIPS
   ============================================ */

.ast-tooltip {
  position: relative;
}

.ast-tooltip::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  padding: 0.375rem 0.625rem;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  color: var(--text-inverted);
  background: var(--text-primary);
  border-radius: var(--radius-md);
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-fast);
  z-index: var(--z-tooltip);
  pointer-events: none;
  margin-bottom: var(--spacing-1);
}

.ast-tooltip:hover::after {
  opacity: 1;
  visibility: visible;
}

/* ============================================
   LOADING STATES
   ============================================ */

.ast-spinner {
  width: 20px;
  height: 20px;
  border: 2px solid var(--border-primary);
  border-top-color: var(--module-color, var(--ast-piloter));
  border-radius: 50%;
  animation: ast-spin 0.6s linear infinite;
}

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

.ast-skeleton {
  background: linear-gradient(
    90deg,
    var(--background-tertiary) 25%,
    var(--background-secondary) 50%,
    var(--background-tertiary) 75%
  );
  background-size: 200% 100%;
  animation: ast-skeleton-pulse 1.5s ease-in-out infinite;
  border-radius: var(--radius-md);
}

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

/* ============================================
   UTILITIES
   ============================================ */

/* Text utilities */
.ast-text-primary { color: var(--text-primary); }
.ast-text-secondary { color: var(--text-secondary); }
.ast-text-muted { color: var(--text-muted); }
.ast-text-success { color: var(--color-success); }
.ast-text-warning { color: var(--color-warning); }
.ast-text-danger { color: var(--color-danger); }

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

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

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

/* Visibility */
.ast-hidden { display: none; }
.ast-visible { visibility: visible; }
.ast-invisible { visibility: hidden; }

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

/* Divider */
.ast-divider {
  height: 1px;
  background: var(--border-light);
  margin: var(--spacing-4) 0;
}

.ast-divider-vertical {
  width: 1px;
  height: 100%;
  background: var(--border-light);
  margin: 0 var(--spacing-4);
}