/* =================================================================
 * Mantenia · Componentes UI
 * -----------------------------------------------------------------
 * Clases reutilizables para todos los componentes de interfaz.
 * Lee tokens del sistema de diseño (design-system.css).
 *
 * Convenciones:
 *   .btn, .card, .alert, .modal, .input, .badge, .chip, .skeleton, .toast
 *   Variantes con sufijos: .btn-primary, .btn-secondary, .btn-ghost, .btn-danger
 *   Tamaños con sufijos: .btn-sm, .btn-lg
 *   Estados: :hover, :focus-visible, :disabled, .is-active, .is-loading
 * ================================================================= */


/* -----------------------------------------------------------------
 *  BOTONES
 * ----------------------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  padding: var(--sp-3) var(--sp-5);
  border: 1px solid transparent;
  border-radius: var(--radius-lg);
  background-color: transparent;
  color: var(--color-text);
  font-size: var(--fs-base);
  font-weight: var(--fw-medium);
  line-height: 1;
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
  user-select: none;
  transition: background-color var(--t-fast),
              border-color var(--t-fast),
              color var(--t-fast),
              box-shadow var(--t-fast),
              transform var(--t-fast);
  /* Tamaño táctil mínimo recomendado (44x44) */
  min-height: 44px;
}

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

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

.btn:active:not(:disabled) {
  transform: translateY(1px);
}

/* Variantes */
.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-text-on-primary);
  border-color: var(--color-primary);
}
.btn-primary:hover:not(:disabled) {
  background-color: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
}

.btn-secondary {
  background-color: var(--color-surface);
  color: var(--color-text);
  border-color: var(--color-border-strong);
}
.btn-secondary:hover:not(:disabled) {
  background-color: var(--color-surface-soft);
  border-color: var(--color-text-muted);
}

.btn-ghost {
  background-color: transparent;
  color: var(--color-text);
}
.btn-ghost:hover:not(:disabled) {
  background-color: var(--color-surface-soft);
}

.btn-danger {
  background-color: var(--color-danger);
  color: #fff;
  border-color: var(--color-danger);
}
.btn-danger:hover:not(:disabled) {
  background-color: var(--color-danger-700);
  border-color: var(--color-danger-700);
}

.btn-success {
  background-color: var(--color-success);
  color: #fff;
  border-color: var(--color-success);
}
.btn-success:hover:not(:disabled) {
  background-color: var(--color-success-700);
  border-color: var(--color-success-700);
}

.btn-link {
  padding: 0;
  min-height: auto;
  background: none;
  border: none;
  color: var(--color-primary);
  text-decoration: underline;
}

/* Tamaños */
.btn-sm { padding: var(--sp-2) var(--sp-3); font-size: var(--fs-sm); min-height: 36px; }
.btn-lg { padding: var(--sp-4) var(--sp-6); font-size: var(--fs-lg); min-height: 52px; }

/* Botón icono cuadrado */
.btn-icon {
  padding: 0;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
}
.btn-icon.btn-sm { width: 36px; height: 36px; }

/* Botón ancho completo */
.btn-block { width: 100%; }

/* Estado loading: oculta texto, muestra spinner */
.btn.is-loading { color: transparent; pointer-events: none; position: relative; }
.btn.is-loading::after {
  content: '';
  position: absolute;
  width: 1.25em; height: 1.25em;
  border: 2px solid currentColor;
  border-top-color: transparent;
  border-radius: 50%;
  color: var(--color-text-on-primary);
  animation: spin 0.6s linear infinite;
}
.btn-secondary.is-loading::after,
.btn-ghost.is-loading::after { color: var(--color-text); }

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


/* -----------------------------------------------------------------
 *  CARDS
 * ----------------------------------------------------------------- */

.card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--sp-5);
  box-shadow: var(--shadow-xs);
  transition: box-shadow var(--t-fast), border-color var(--t-fast);
}
.card-hoverable:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-border-strong);
}

.card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--sp-3);
  margin-bottom: var(--sp-4);
}
.card-title {
  margin: 0;
  font-size: var(--fs-lg);
  font-weight: var(--fw-semibold);
  color: var(--color-text);
}
.card-subtitle {
  margin: var(--sp-1) 0 0 0;
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
}
.card-body { color: var(--color-text); }
.card-footer {
  margin-top: var(--sp-4);
  padding-top: var(--sp-4);
  border-top: 1px solid var(--color-border);
  display: flex;
  gap: var(--sp-2);
  align-items: center;
  justify-content: flex-end;
}

/* Tarjeta KPI grande (dashboard) */
.kpi-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--sp-5);
}
.kpi-label {
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
  font-weight: var(--fw-medium);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin: 0;
}
.kpi-value {
  margin: var(--sp-2) 0 0 0;
  font-size: var(--fs-3xl);
  font-weight: var(--fw-bold);
  color: var(--color-text);
  letter-spacing: -0.02em;
  line-height: 1;
}
.kpi-trend {
  margin-top: var(--sp-2);
  font-size: var(--fs-sm);
  display: inline-flex;
  align-items: center;
  gap: var(--sp-1);
}
.kpi-trend.up   { color: var(--color-success); }
.kpi-trend.down { color: var(--color-danger); }


/* -----------------------------------------------------------------
 *  INPUTS y FORMULARIOS
 * ----------------------------------------------------------------- */

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

.form-label {
  display: block;
  margin-bottom: var(--sp-2);
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  color: var(--color-text);
}
.form-label .required { color: var(--color-danger); margin-left: 2px; }

.input,
.select,
.textarea {
  display: block;
  width: 100%;
  padding: var(--sp-3) var(--sp-4);
  font-family: inherit;
  font-size: var(--fs-base);
  color: var(--color-text);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-lg);
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
  min-height: 44px;
}
.input::placeholder,
.textarea::placeholder { color: var(--color-text-subtle); }

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

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

.input:disabled,
.select:disabled,
.textarea:disabled {
  background-color: var(--color-surface-soft);
  color: var(--color-text-muted);
  cursor: not-allowed;
}

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

.input.is-error:focus,
.select.is-error:focus,
.textarea.is-error:focus { box-shadow: 0 0 0 3px rgb(220 38 38 / 0.2); }

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

.form-help {
  margin-top: var(--sp-1);
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
}
.form-error {
  margin-top: var(--sp-1);
  font-size: var(--fs-sm);
  color: var(--color-danger);
}

/* Input con icono interno */
.input-group { position: relative; }
.input-group .input { padding-left: 2.75rem; }
.input-group .input-icon {
  position: absolute;
  left: var(--sp-3);
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-muted);
  pointer-events: none;
  display: flex;
  align-items: center;
}
.input-group .input-suffix {
  position: absolute;
  right: var(--sp-2);
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--color-text-muted);
  cursor: pointer;
  padding: var(--sp-2);
  border-radius: var(--radius-md);
}
.input-group .input-suffix:hover { color: var(--color-text); background: var(--color-surface-soft); }

/* Checkbox y radio */
.checkbox, .radio {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  cursor: pointer;
  user-select: none;
  font-size: var(--fs-sm);
  color: var(--color-text);
}
.checkbox input, .radio input {
  width: 18px; height: 18px;
  accent-color: var(--color-primary);
  cursor: pointer;
}


/* -----------------------------------------------------------------
 *  ALERTS / BANNERS
 * ----------------------------------------------------------------- */

.alert {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-3);
  padding: var(--sp-4);
  border-radius: var(--radius-lg);
  border: 1px solid;
  font-size: var(--fs-sm);
  line-height: var(--lh-normal);
}
.alert-icon { flex-shrink: 0; display: flex; align-items: center; }
.alert-content { flex: 1; }
.alert-title { font-weight: var(--fw-semibold); margin: 0 0 var(--sp-1) 0; }

.alert-info {
  background-color: var(--color-info-50);
  border-color: var(--color-info-500);
  color: var(--color-info-600);
}
.alert-success {
  background-color: var(--color-success-50);
  border-color: var(--color-success-500);
  color: var(--color-success-700);
}
.alert-warning {
  background-color: var(--color-warning-50);
  border-color: var(--color-warning-500);
  color: var(--color-warning-700);
}
.alert-danger {
  background-color: var(--color-danger-50);
  border-color: var(--color-danger-500);
  color: var(--color-danger-700);
}

[data-theme="dark"] .alert-info,
[data-theme="dark"] .alert-success,
[data-theme="dark"] .alert-warning,
[data-theme="dark"] .alert-danger {
  background-color: var(--color-bg-elevated);
}


/* -----------------------------------------------------------------
 *  BADGES y CHIPS
 * ----------------------------------------------------------------- */

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-1);
  padding: 2px var(--sp-2);
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  border-radius: var(--radius-md);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  background-color: var(--color-surface-soft);
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  white-space: nowrap;
}
.badge-primary { background: var(--color-primary-soft); color: var(--color-primary); border-color: transparent; }
.badge-success { background: var(--color-success-50); color: var(--color-success-700); border-color: transparent; }
.badge-warning { background: var(--color-warning-50); color: var(--color-warning-700); border-color: transparent; }
.badge-danger  { background: var(--color-danger-50);  color: var(--color-danger-700);  border-color: transparent; }

[data-theme="dark"] .badge-primary,
[data-theme="dark"] .badge-success,
[data-theme="dark"] .badge-warning,
[data-theme="dark"] .badge-danger { background-color: var(--color-bg-elevated); }

/* Chip (más informal que badge — descriptor con borde) */
.chip {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-1);
  padding: var(--sp-1) var(--sp-3);
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border-strong);
  background: var(--color-surface);
  font-size: var(--fs-sm);
  color: var(--color-text);
}
.chip-active { background: var(--color-primary-soft); border-color: var(--color-primary); color: var(--color-primary); }


/* -----------------------------------------------------------------
 *  OFICINAS GRID — cards accionables del dashboard
 * ----------------------------------------------------------------- */

/* Grid: 1 columna en móvil, 2 en tablet, 3 en md, 4 en desktop ancho */
.ofi-list {
  display: grid;
  gap: var(--sp-3);
  grid-template-columns: 1fr;
}
@media (min-width: 640px)  { .ofi-list { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .ofi-list { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 1440px) { .ofi-list { grid-template-columns: repeat(4, 1fr); } }

/* Card de oficina: clickeable, con borde lateral semáforo según estado */
.ofi-card {
  display: flex;
  flex-direction: column;
  cursor: pointer;
  border-left: 4px solid var(--color-border);
  transition: transform var(--t-fast),
              box-shadow var(--t-fast),
              border-color var(--t-fast);
}
.ofi-card:hover,
.ofi-card:focus-visible {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  outline: none;
}
.ofi-card.ofi-status-completada { border-left-color: var(--color-success); }
.ofi-card.ofi-status-parcial    { border-left-color: var(--color-warning); }
.ofi-card.ofi-status-pendiente  { border-left-color: var(--color-danger); }

.ofi-card:hover.ofi-status-completada { box-shadow: 0 8px 16px -4px rgb(5 150 105 / 0.18); }
.ofi-card:hover.ofi-status-parcial    { box-shadow: 0 8px 16px -4px rgb(217 119 6 / 0.18); }
.ofi-card:hover.ofi-status-pendiente  { box-shadow: 0 8px 16px -4px rgb(220 38 38 / 0.18); }

/* Botón Ver detalle: subraya el patrón hover */
.ofi-card .ofi-detail-btn { transition: background-color var(--t-fast), color var(--t-fast); }
.ofi-card:hover .ofi-detail-btn {
  background-color: var(--color-primary);
  color: var(--color-text-on-primary);
  border-color: var(--color-primary);
}

/* Barra de progreso de oficina: 14px, con % dentro */
.ofi-progress {
  width: 100%;
  height: 16px;
  background-color: var(--color-surface-soft);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  position: relative;
}
.ofi-progress-bar {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding: 0 var(--sp-2);
  height: 100%;
  border-radius: var(--radius-md) 0 0 var(--radius-md);
  transition: width var(--t-slow);
  white-space: nowrap;
}
.ofi-progress-pct {
  color: #fff;
  font-size: 11px;
  font-weight: var(--fw-bold);
  letter-spacing: 0.02em;
  text-shadow: 0 1px 2px rgb(0 0 0 / 0.2);
}
/* Colores semáforo */
.ofi-bar-completada { background-color: var(--color-success); }
.ofi-bar-parcial    { background-color: var(--color-warning); }
.ofi-bar-pendiente  { background-color: var(--color-danger); }

/* -----------------------------------------------------------------
 *  PROGRESS BAR (genérico — ya existía)
 * ----------------------------------------------------------------- */

.progress {
  width: 100%;
  height: 8px;
  background-color: var(--color-surface-soft);
  border-radius: var(--radius-full);
  overflow: hidden;
  border: 1px solid var(--color-border);
}
.progress-bar {
  display: block;
  height: 100%;
  background-color: var(--color-primary);
  border-radius: var(--radius-full);
  transition: width var(--t-slow);
}
.progress-bar.success { background-color: var(--color-success); }
.progress-bar.warning { background-color: var(--color-warning); }
.progress-bar.danger  { background-color: var(--color-danger); }

.progress-lg { height: 12px; }
.progress-sm { height: 4px; }


/* -----------------------------------------------------------------
 *  MODAL
 * ----------------------------------------------------------------- */

.modal-backdrop {
  position: fixed;
  inset: 0;
  background-color: rgb(15 23 42 / 0.5);
  backdrop-filter: blur(2px);
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--sp-4);
  animation: fadeIn var(--t-fast);
}
/* El atributo HTML `hidden` debe vencer al `display: flex` de arriba.
   Sin esto, el modal se queda visible aunque tenga el atributo. */
.modal-backdrop[hidden] {
  display: none !important;
}
.modal {
  background-color: var(--color-bg-elevated);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-xl);
  max-width: 560px;
  width: 100%;
  max-height: calc(100vh - 2rem);
  overflow: auto;
  animation: slideUp var(--t-normal);
}
.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--sp-5);
  border-bottom: 1px solid var(--color-border);
}
.modal-title { margin: 0; font-size: var(--fs-xl); font-weight: var(--fw-semibold); }
.modal-body { padding: var(--sp-5); }
.modal-footer {
  display: flex;
  gap: var(--sp-2);
  justify-content: flex-end;
  padding: var(--sp-4) var(--sp-5);
  border-top: 1px solid var(--color-border);
}
.modal-close {
  background: none;
  border: none;
  color: var(--color-text-muted);
  cursor: pointer;
  padding: var(--sp-2);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
}
.modal-close:hover { background-color: var(--color-surface-soft); color: var(--color-text); }

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes slideUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }


/* -----------------------------------------------------------------
 *  TOAST (notificaciones temporales)
 * ----------------------------------------------------------------- */

.toast-stack {
  position: fixed;
  bottom: var(--sp-4);
  right: var(--sp-4);
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
  z-index: var(--z-toast);
  max-width: 360px;
  pointer-events: none;
}
.toast {
  background-color: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-primary);
  border-radius: var(--radius-lg);
  padding: var(--sp-4);
  box-shadow: var(--shadow-lg);
  font-size: var(--fs-sm);
  pointer-events: auto;
  animation: slideUp var(--t-normal);
}
.toast.success { border-left-color: var(--color-success); }
.toast.warning { border-left-color: var(--color-warning); }
.toast.danger  { border-left-color: var(--color-danger); }


/* -----------------------------------------------------------------
 *  SKELETON (loading placeholder)
 * ----------------------------------------------------------------- */

.skeleton {
  display: block;
  background: linear-gradient(
    90deg,
    var(--color-surface-soft) 0%,
    var(--color-border) 50%,
    var(--color-surface-soft) 100%
  );
  background-size: 200% 100%;
  border-radius: var(--radius-md);
  animation: shimmer 1.4s ease-in-out infinite;
  height: 1em;
  width: 100%;
}
.skeleton-circle { border-radius: var(--radius-full); }
.skeleton-line   { height: 0.875em; margin-bottom: var(--sp-2); }
.skeleton-line:last-child { margin-bottom: 0; }

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


/* -----------------------------------------------------------------
 *  DIVIDER
 * ----------------------------------------------------------------- */

.divider {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: var(--sp-4) 0;
}
.divider-vertical {
  width: 1px;
  height: 1em;
  background-color: var(--color-border);
  display: inline-block;
}


/* -----------------------------------------------------------------
 *  TABLE
 * ----------------------------------------------------------------- */

.table-wrapper {
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background-color: var(--color-surface);
}
.table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--fs-sm);
}
.table thead {
  background-color: var(--color-surface-soft);
}
.table th {
  text-align: left;
  padding: var(--sp-3) var(--sp-4);
  font-weight: var(--fw-semibold);
  color: var(--color-text-muted);
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-bottom: 1px solid var(--color-border);
}
.table td {
  padding: var(--sp-3) var(--sp-4);
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text);
}
.table tbody tr:last-child td { border-bottom: none; }
.table tbody tr:hover { background-color: var(--color-surface-soft); }


/* -----------------------------------------------------------------
 *  EMPTY STATE
 * ----------------------------------------------------------------- */

.empty-state {
  text-align: center;
  padding: var(--sp-12) var(--sp-4);
  color: var(--color-text-muted);
}
.empty-state-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 64px; height: 64px;
  background-color: var(--color-surface-soft);
  border-radius: var(--radius-full);
  margin-bottom: var(--sp-3);
  color: var(--color-text-subtle);
}
.empty-state-title { font-size: var(--fs-lg); margin-bottom: var(--sp-1); color: var(--color-text); }
.empty-state-message { font-size: var(--fs-sm); margin-bottom: var(--sp-4); }


/* -----------------------------------------------------------------
 *  SPINNER (standalone)
 * ----------------------------------------------------------------- */

.spinner {
  display: inline-block;
  width: 1.5em; height: 1.5em;
  border: 2px solid var(--color-border-strong);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
.spinner-sm { width: 1em; height: 1em; border-width: 1.5px; }
.spinner-lg { width: 2.5em; height: 2.5em; border-width: 3px; }