/*
 * @workforce/ui - components.css
 * Primitivas visuales. Requiere tokens.css (y opcionalmente base.css)
 * cargados antes. REGLA DURA: cero color/tamano/radio hardcodeado aqui -
 * todo pasa por var(--wf-...). Verificado por scripts/validate-tokens.mjs.
 *
 * Convencion de clases: prefijo "wf-" (Workforce), BEM-lite
 * (.wf-btn, .wf-btn--primary, .wf-btn[disabled]). Sin dependencia de
 * ningun framework: HTML nativo + esta hoja de estilos.
 */

/* ==========================================================================
 * Icon (sprite lucide, ver src/icons/sprite.svg)
 * ========================================================================== */
.wf-icon {
  display: inline-block;
  flex-shrink: 0;
  width: var(--wf-icon-size-md);
  height: var(--wf-icon-size-md);
  fill: none;
  stroke: currentColor;
  stroke-width: var(--wf-icon-stroke-width);
  stroke-linecap: round;
  stroke-linejoin: round;
}

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

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

/* ==========================================================================
 * Button
 * Tabla de estados (default/hover/active/disabled): variar SOLO color y
 * transform, nunca padding/border-width/font-size -> cero layout-shift en
 * press. El "press" se comunica con scale(0.97), una transformacion
 * compuesta (GPU), no con cambios de caja.
 * ========================================================================== */
.wf-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--wf-button-gap);
  height: var(--wf-button-height);
  padding: 0 var(--wf-button-padding-x);
  border: 1px solid transparent;
  border-radius: var(--wf-button-radius);
  font-family: var(--wf-font-sans);
  font-size: var(--wf-button-font-size);
  font-weight: var(--wf-button-font-weight);
  line-height: 1;
  cursor: pointer;
  transform: scale(1);
  transition:
    background-color var(--wf-p-duration-fast) var(--wf-p-ease-standard),
    border-color var(--wf-p-duration-fast) var(--wf-p-ease-standard),
    color var(--wf-p-duration-fast) var(--wf-p-ease-standard),
    transform var(--wf-p-duration-instant) var(--wf-p-ease-standard);
}

.wf-btn--sm {
  height: var(--wf-button-height-sm);
  padding: 0 var(--wf-button-padding-x-sm);
  font-size: var(--wf-p-font-size-13);
}

.wf-btn--lg {
  height: var(--wf-button-height-lg);
  padding: 0 var(--wf-space-24);
  font-size: var(--wf-p-font-size-16);
}

.wf-btn:active:not([disabled]):not([aria-disabled="true"]) {
  transform: scale(0.97);
}

.wf-btn[disabled],
.wf-btn[aria-disabled="true"] {
  cursor: not-allowed;
  opacity: 0.55;
}

/* Primary */
.wf-btn--primary {
  background: var(--wf-button-primary-bg);
  color: var(--wf-button-primary-fg);
}
.wf-btn--primary:hover:not([disabled]):not([aria-disabled="true"]) {
  background: var(--wf-button-primary-bg-hover);
}
.wf-btn--primary:active:not([disabled]):not([aria-disabled="true"]) {
  background: var(--wf-button-primary-bg-active);
}
.wf-btn--primary[disabled],
.wf-btn--primary[aria-disabled="true"] {
  background: var(--wf-button-disabled-bg);
  color: var(--wf-button-disabled-fg);
}

/* Secondary */
.wf-btn--secondary {
  background: var(--wf-button-secondary-bg);
  color: var(--wf-button-secondary-fg);
  border-color: var(--wf-button-secondary-border);
}
.wf-btn--secondary:hover:not([disabled]):not([aria-disabled="true"]) {
  background: var(--wf-button-secondary-bg-hover);
}
.wf-btn--secondary:active:not([disabled]):not([aria-disabled="true"]) {
  background: var(--wf-button-secondary-bg-active);
}
.wf-btn--secondary[disabled],
.wf-btn--secondary[aria-disabled="true"] {
  background: var(--wf-button-disabled-bg);
  color: var(--wf-button-disabled-fg);
  border-color: transparent;
}

/* Ghost */
.wf-btn--ghost {
  background: transparent;
  color: var(--wf-button-ghost-fg);
}
.wf-btn--ghost:hover:not([disabled]):not([aria-disabled="true"]) {
  background: var(--wf-button-ghost-bg-hover);
}
.wf-btn--ghost:active:not([disabled]):not([aria-disabled="true"]) {
  background: var(--wf-button-ghost-bg-active);
}
.wf-btn--ghost[disabled],
.wf-btn--ghost[aria-disabled="true"] {
  color: var(--wf-button-disabled-fg);
}

/* Danger */
.wf-btn--danger {
  background: var(--wf-button-danger-bg);
  color: var(--wf-button-danger-fg);
}
.wf-btn--danger:hover:not([disabled]):not([aria-disabled="true"]) {
  background: var(--wf-button-danger-bg-hover);
}
.wf-btn--danger:active:not([disabled]):not([aria-disabled="true"]) {
  background: var(--wf-button-danger-bg-active);
}
.wf-btn--danger[disabled],
.wf-btn--danger[aria-disabled="true"] {
  background: var(--wf-button-disabled-bg);
  color: var(--wf-button-disabled-fg);
}

/* ==========================================================================
 * Input
 * ========================================================================== */
.wf-field {
  display: flex;
  flex-direction: column;
  gap: var(--wf-space-8);
}

.wf-label {
  font-size: var(--wf-p-font-size-13);
  font-weight: var(--wf-p-font-weight-medium);
  color: var(--wf-color-text-secondary);
}

.wf-input {
  height: var(--wf-input-height);
  width: 100%;
  padding: 0 var(--wf-input-padding-x);
  background: var(--wf-input-bg);
  color: var(--wf-input-fg);
  border: 1px solid var(--wf-input-border);
  border-radius: var(--wf-input-radius);
  font-family: var(--wf-font-sans);
  font-size: var(--wf-input-font-size);
  transition:
    border-color var(--wf-p-duration-fast) var(--wf-p-ease-standard),
    box-shadow var(--wf-p-duration-fast) var(--wf-p-ease-standard);
}

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

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

.wf-input:focus-visible {
  outline: none;
  border-color: var(--wf-input-border-focus);
  box-shadow: 0 0 0 var(--wf-focus-ring-width) var(--wf-color-accent-subtle-border);
}

.wf-input[aria-invalid="true"] {
  border-color: var(--wf-input-border-error);
}
.wf-input[aria-invalid="true"]:focus-visible {
  box-shadow: 0 0 0 var(--wf-focus-ring-width) var(--wf-color-danger-subtle-border);
}

.wf-input:disabled {
  background: var(--wf-input-disabled-bg);
  color: var(--wf-input-disabled-fg);
  cursor: not-allowed;
}

.wf-field-hint {
  font-size: var(--wf-p-font-size-12);
  color: var(--wf-color-text-muted);
}

.wf-field-error {
  display: flex;
  align-items: center;
  gap: var(--wf-space-4);
  font-size: var(--wf-p-font-size-12);
  color: var(--wf-color-danger-text);
}

/* ==========================================================================
 * Badge / status
 * NUNCA color solo: siempre dot + texto (o icono + texto). El color es un
 * refuerzo, jamas el unico canal de significado.
 * ========================================================================== */
.wf-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--wf-space-8);
  padding: var(--wf-badge-padding-y) var(--wf-badge-padding-x);
  border-radius: var(--wf-badge-radius);
  font-size: var(--wf-badge-font-size);
  font-weight: var(--wf-badge-font-weight);
  line-height: 1;
  white-space: nowrap;
}

.wf-badge__dot {
  width: var(--wf-badge-dot-size);
  height: var(--wf-badge-dot-size);
  border-radius: var(--wf-radius-pill);
  background: currentColor;
  flex-shrink: 0;
}

.wf-badge--neutral {
  background: var(--wf-color-surface-sunken);
  color: var(--wf-color-text-secondary);
}
.wf-badge--success {
  background: var(--wf-color-success-subtle);
  color: var(--wf-color-success-text);
}
.wf-badge--warning {
  background: var(--wf-color-warning-subtle);
  color: var(--wf-color-warning-text);
}
.wf-badge--danger {
  background: var(--wf-color-danger-subtle);
  color: var(--wf-color-danger-text);
}
.wf-badge--info {
  background: var(--wf-color-info-subtle);
  color: var(--wf-color-info-text);
}

/* ==========================================================================
 * Card
 * ========================================================================== */
.wf-card {
  background: var(--wf-card-bg);
  color: var(--wf-card-fg);
  border: 1px solid var(--wf-card-border);
  border-radius: var(--wf-card-radius);
  padding: var(--wf-card-padding);
  box-shadow: var(--wf-card-shadow);
}

.wf-card--interactive {
  cursor: pointer;
  transition: box-shadow var(--wf-p-duration-normal) var(--wf-p-ease-standard);
}
.wf-card--interactive:hover {
  box-shadow: var(--wf-card-shadow-hover);
}
.wf-card--interactive:focus-visible {
  box-shadow: var(--wf-card-shadow-hover);
}

.wf-card__header {
  display: flex;
  flex-direction: column;
  gap: var(--wf-space-4);
  margin-bottom: var(--wf-card-gap);
}

.wf-card__title {
  font-size: var(--wf-p-font-size-16);
  font-weight: var(--wf-p-font-weight-semibold);
  color: var(--wf-color-text);
}

.wf-card__description {
  font-size: var(--wf-p-font-size-13);
  color: var(--wf-color-text-secondary);
}

.wf-card__footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--wf-space-8);
  margin-top: var(--wf-card-gap);
}

/* ==========================================================================
 * Table (densa, header sticky, numericos a la derecha)
 * ========================================================================== */
.wf-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--wf-table-border);
  border-radius: var(--wf-radius-md);
}

.wf-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--wf-p-font-size-13);
}

.wf-table thead th {
  position: sticky;
  top: 0;
  z-index: 1;
  background: var(--wf-table-header-bg);
  color: var(--wf-table-header-fg);
  text-align: left;
  font-weight: var(--wf-p-font-weight-semibold);
  padding: var(--wf-table-cell-padding-y) var(--wf-table-cell-padding-x);
  border-bottom: 1px solid var(--wf-table-border);
}

.wf-table tbody td {
  padding: var(--wf-table-cell-padding-y) var(--wf-table-cell-padding-x);
  height: var(--wf-table-row-height);
  color: var(--wf-color-text);
  background: var(--wf-table-row-bg);
  border-bottom: 1px solid var(--wf-table-border);
}

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

.wf-table tbody tr:hover td {
  background: var(--wf-table-row-bg-hover);
}

.wf-table th.wf-table__col--numeric,
.wf-table td.wf-table__col--numeric {
  text-align: right;
  font-variant-numeric: tabular-nums;
}

/* ==========================================================================
 * Modal (nativo <dialog> - focus trap y devolucion de foco los da el
 * navegador de forma gratuita; ver src/modal.js para el wrapper minimo y
 * el packet de a11y en el result.md para el detalle de verificacion
 * manual por navegador).
 * ========================================================================== */
.wf-modal {
  border: 1px solid var(--wf-modal-border);
  border-radius: var(--wf-modal-radius);
  padding: 0;
  background: var(--wf-modal-bg);
  color: var(--wf-modal-fg);
  box-shadow: var(--wf-modal-shadow);
  max-width: var(--wf-modal-max-width);
  width: calc(100vw - var(--wf-space-32));
}

.wf-modal::backdrop {
  background: var(--wf-modal-scrim);
}

.wf-modal__panel {
  padding: var(--wf-modal-padding);
  display: flex;
  flex-direction: column;
  gap: var(--wf-space-16);
}

.wf-modal__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--wf-space-16);
}

.wf-modal__title {
  font-size: var(--wf-p-font-size-18);
  font-weight: var(--wf-p-font-weight-semibold);
  margin: 0;
}

.wf-modal__footer {
  display: flex;
  justify-content: flex-end;
  gap: var(--wf-space-8);
}

/* ==========================================================================
 * Estados: empty / error / loading (skeleton)
 * ========================================================================== */
.wf-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--wf-space-8);
  padding: var(--wf-space-48) var(--wf-space-24);
  text-align: center;
  color: var(--wf-empty-fg);
}

.wf-state__icon {
  width: var(--wf-icon-size-lg);
  height: var(--wf-icon-size-lg);
  color: var(--wf-empty-icon-fg);
  margin-bottom: var(--wf-space-8);
}

.wf-state__title {
  font-size: var(--wf-p-font-size-14);
  font-weight: var(--wf-p-font-weight-semibold);
  color: var(--wf-color-text);
}

.wf-state__description {
  font-size: var(--wf-p-font-size-13);
  color: var(--wf-color-text-secondary);
  max-width: 32ch;
}

.wf-state--error .wf-state__icon {
  color: var(--wf-color-danger-text);
}

/* Skeleton: bloque solido + shimmer animado. Si prefers-reduced-motion,
   el shimmer se apaga y el bloque queda solido (nunca "congelado" a
   mitad de gradiente, ver base.css). */
.wf-skeleton {
  display: block;
  border-radius: var(--wf-radius-sm);
  background: linear-gradient(
    90deg,
    var(--wf-skeleton-bg) 25%,
    var(--wf-skeleton-shimmer) 37%,
    var(--wf-skeleton-bg) 63%
  );
  background-size: 400% 100%;
  animation: wf-skeleton-shimmer 1.4s ease-in-out infinite;
}

.wf-skeleton--text {
  height: 0.85em;
  width: 100%;
}

.wf-skeleton--block {
  height: var(--wf-space-48);
  width: 100%;
}

@keyframes wf-skeleton-shimmer {
  0% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .wf-skeleton {
    animation: none;
    background: var(--wf-skeleton-bg);
  }
}