/* ===========================================
   COMPONENTES CSS - Elementos reutilizables
   =========================================== */

/* ============================================
   BOTONES
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  line-height: 1;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* Variantes de botón */
.btn-primary {
  background-color: var(--color-primary);
  color: var(--text-white);
}
.btn-primary:hover:not(:disabled) {
  background-color: var(--color-primary-dark);
}

.btn-secondary {
  background-color: var(--color-secondary);
  color: var(--text-white);
}
.btn-secondary:hover:not(:disabled) {
  background-color: var(--color-secondary-dark);
}

.btn-success {
  background-color: var(--color-success);
  color: var(--text-white);
}
.btn-success:hover:not(:disabled) {
  background-color: #218838;
}

.btn-danger {
  background-color: var(--color-danger);
  color: var(--text-white);
}
.btn-danger:hover:not(:disabled) {
  background-color: #c82333;
}

.btn-outline {
  background-color: transparent;
  border-color: var(--border-color);
  color: var(--text-primary);
}
.btn-outline:hover:not(:disabled) {
  background-color: var(--bg-light);
  border-color: var(--border-dark);
}

.btn-outline-primary {
  background-color: transparent;
  border-color: var(--color-primary);
  color: var(--color-primary);
}
.btn-outline-primary:hover:not(:disabled) {
  background-color: var(--color-primary);
  color: var(--text-white);
}

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

/* Tamaños de botón */
.btn-sm {
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: var(--font-size-xs);
}

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

/* Botón icono */
.btn-icon {
  padding: var(--spacing-sm);
  width: 36px;
  height: 36px;
}

.btn-icon.btn-sm {
  width: 28px;
  height: 28px;
  padding: var(--spacing-xs);
}

/* ============================================
   INPUTS Y FORMULARIOS
   ============================================ */
.form-group {
  margin-bottom: var(--spacing-md);
}

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

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

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--font-size-sm);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background-color: var(--bg-white);
  color: var(--text-primary);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(26, 79, 139, 0.15);
  outline: none;
}

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

.form-input.is-invalid,
.form-select.is-invalid {
  border-color: var(--color-danger);
}

.form-input.is-valid,
.form-select.is-valid {
  border-color: var(--color-success);
}

.form-input:disabled,
.form-select:disabled {
  background-color: var(--bg-light);
  cursor: not-allowed;
}

/* Input pequeño */
.form-input-sm {
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: var(--font-size-xs);
}

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

/* Select */
.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
  background-position: right var(--spacing-sm) center;
  background-repeat: no-repeat;
  background-size: 1.5em 1.5em;
  padding-right: 2.5rem;
}

/* Checkbox y Radio */
.form-check {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.form-check-input {
  width: 18px;
  height: 18px;
  accent-color: var(--color-primary);
  cursor: pointer;
}

.form-check-label {
  font-size: var(--font-size-sm);
  cursor: pointer;
}

/* Input group (input + botón) */
.input-group {
  display: flex;
  gap: 0;
  position: relative;
}

.input-group .form-input {
  border-top-right-radius: 0;
  border-bottom-right-radius: 0;
}

.input-group .btn {
  border-top-left-radius: 0;
  border-bottom-left-radius: 0;
}

/* Mensaje de ayuda */
.form-help {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  margin-top: var(--spacing-xs);
}

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

/* ============================================
   CARDS
   ============================================ */
.card {
  background-color: var(--bg-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
  overflow: hidden;
}

.card-header {
  padding: var(--spacing-md) var(--spacing-lg);
  border-bottom: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

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

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

.card-footer {
  padding: var(--spacing-md) var(--spacing-lg);
  border-top: 1px solid var(--border-light);
  background-color: var(--bg-light);
}

/* Card compacta */
.card-sm .card-header,
.card-sm .card-body,
.card-sm .card-footer {
  padding: var(--spacing-sm) var(--spacing-md);
}

/* Card clickeable */
.card-clickable {
  cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

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

/* ============================================
   TABLAS
   ============================================ */
.table-container {
  overflow-x: auto;
}

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--font-size-sm);
}

.table th,
.table td {
  padding: var(--spacing-sm) var(--spacing-md);
  text-align: left;
  border-bottom: 1px solid var(--border-light);
}

.table th {
  font-weight: var(--font-weight-semibold);
  color: var(--text-secondary);
  background-color: var(--bg-light);
  white-space: nowrap;
}

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

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

/* Tabla con filas alternadas */
.table-striped tbody tr:nth-child(even) {
  background-color: var(--bg-light);
}

.table-striped tbody tr:hover {
  background-color: var(--border-light);
}

/* Tabla compacta */
.table-sm th,
.table-sm td {
  padding: var(--spacing-xs) var(--spacing-sm);
}

/* ============================================
   BADGES
   ============================================ */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px var(--spacing-sm);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.badge-primary {
  background-color: rgba(26, 79, 139, 0.1);
  color: var(--color-primary);
}

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

.badge-warning {
  background-color: var(--color-warning-light);
  color: #856404;
}

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

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

/* ============================================
   ALERTAS
   ============================================ */
.alert {
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
}

.alert-info {
  background-color: var(--color-info-light);
  color: #0c5460;
  border: 1px solid #bee5eb;
}

.alert-success {
  background-color: var(--color-success-light);
  color: #155724;
  border: 1px solid #c3e6cb;
}

.alert-warning {
  background-color: var(--color-warning-light);
  color: #856404;
  border: 1px solid #ffeeba;
}

.alert-danger {
  background-color: var(--color-danger-light);
  color: #721c24;
  border: 1px solid #f5c6cb;
}

/* ============================================
   MODALES
   ============================================ */

/* Contenedor principal del modal - cubre toda la pantalla */
.modal {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-lg);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

.modal.active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

/* Fondo oscuro del modal */
.modal-backdrop {
  position: absolute;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 1;
}

/* Contenedor del contenido del modal */
.modal-container {
  position: relative;
  z-index: 2;
  background-color: var(--bg-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  width: 100%;
  max-width: 500px;
  max-height: 90vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transform: scale(0.95);
  transition: transform var(--transition-normal);
}

.modal.active .modal-container {
  transform: scale(1);
}

.modal-container.modal-lg { max-width: 800px; }
.modal-container.modal-xl { max-width: 1140px; }
.modal-container.modal-full { max-width: calc(100vw - 2rem); }

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

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

.modal-close {
  color: var(--text-muted);
  font-size: var(--font-size-xl);
  line-height: 1;
  padding: var(--spacing-xs);
  cursor: pointer;
  transition: color var(--transition-fast);
}

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

.modal-body {
  padding: var(--spacing-lg);
  overflow-y: auto;
  flex: 1;
}

.modal-footer {
  padding: var(--spacing-md) var(--spacing-lg);
  border-top: 1px solid var(--border-light);
  display: flex;
  justify-content: flex-end;
  gap: var(--spacing-sm);
}

/* ============================================
   DROPDOWNS
   ============================================ */
.dropdown {
  position: relative;
  display: inline-block;
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 180px;
  background-color: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  z-index: var(--z-dropdown);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(-8px);
  transition: all var(--transition-fast);
}

.dropdown-menu.active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(4px);
}

.dropdown-menu-right {
  left: auto;
  right: 0;
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--font-size-sm);
  color: var(--text-primary);
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

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

.dropdown-item:first-child {
  border-radius: var(--radius-md) var(--radius-md) 0 0;
}

.dropdown-item:last-child {
  border-radius: 0 0 var(--radius-md) var(--radius-md);
}

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

/* ============================================
   LOADING / SPINNER
   ============================================ */
.spinner {
  width: 24px;
  height: 24px;
  border: 3px solid var(--border-light);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

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

/* ============================================
   EMPTY STATE
   ============================================ */
.empty-state {
  text-align: center;
  padding: var(--spacing-2xl);
  color: var(--text-muted);
}

.empty-state-icon {
  font-size: 3rem;
  margin-bottom: var(--spacing-md);
  opacity: 0.5;
}

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

.empty-state-text {
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-lg);
}

/* ============================================
   TOOLTIPS
   ============================================ */
[data-tooltip] {
  position: relative;
}

[data-tooltip]::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  padding: var(--spacing-xs) var(--spacing-sm);
  background-color: var(--bg-dark);
  color: var(--text-white);
  font-size: var(--font-size-xs);
  border-radius: var(--radius-sm);
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-fast);
  z-index: var(--z-tooltip);
  margin-bottom: 4px;
}

[data-tooltip]:hover::after {
  opacity: 1;
  visibility: visible;
}

/* ============================================
   PAGINACIÓN
   ============================================ */
.pagination {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.pagination-item {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 32px;
  height: 32px;
  padding: 0 var(--spacing-sm);
  font-size: var(--font-size-sm);
  color: var(--text-primary);
  background-color: var(--bg-white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.pagination-item:hover:not(.active):not(:disabled) {
  background-color: var(--bg-light);
  border-color: var(--border-dark);
}

.pagination-item.active {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--text-white);
}

.pagination-item:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ============================================
   TABS
   ============================================ */
.tabs {
  display: flex;
  border-bottom: 1px solid var(--border-light);
}

.tab-item {
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--text-secondary);
  border-bottom: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
}

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

.tab-item.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

.tab-content {
  padding: var(--spacing-lg) 0;
}

.tab-pane {
  display: none;
}

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

/* ============================================
   PROGRESS BAR
   ============================================ */
.progress {
  height: 8px;
  background-color: var(--bg-light);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  background-color: var(--color-primary);
  border-radius: var(--radius-full);
  transition: width var(--transition-normal);
}

.progress-bar-success { background-color: var(--color-success); }
.progress-bar-warning { background-color: var(--color-warning); }
.progress-bar-danger { background-color: var(--color-danger); }

/* ============================================
   COLOR CIRCLES (para colores de tejidos)
   ============================================ */
.color-circle {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 2px solid var(--border-color);
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
}

.color-circle:hover {
  transform: scale(1.1);
  border-color: var(--color-primary);
}

.color-circle.selected {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(26, 79, 139, 0.3);
}

.color-circle-sm {
  width: 24px;
  height: 24px;
}

.color-circle-lg {
  width: 40px;
  height: 40px;
}

/* Pattern para estampados */
.color-circle.pattern {
  background-image: 
    linear-gradient(45deg, #ccc 25%, transparent 25%),
    linear-gradient(-45deg, #ccc 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #ccc 75%),
    linear-gradient(-45deg, transparent 75%, #ccc 75%);
  background-size: 8px 8px;
  background-position: 0 0, 0 4px, 4px -4px, -4px 0px;
}

/* Color selector group */
.color-selector-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.color-selector-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-xs);
}

.color-selector-item .color-code {
  font-size: var(--font-size-xs);
  color: var(--text-secondary);
}

.color-selector-item .color-input {
  width: 50px;
  text-align: center;
  padding: var(--spacing-xs);
  font-size: var(--font-size-xs);
}

.color-selector-item .color-stock {
  font-size: 10px;
  color: var(--text-muted);
}