/* ============================================================================
   5) CARD / SECCIÓN
   ============================================================================ */
.abk-card {
  background: var(--abk-surface);
  border: var(--abk-border-width) solid var(--abk-border-section);
  border-radius: var(--abk-radius);
  padding: var(--abk-section-padding);
  box-shadow: var(--abk-shadow-1);
  color: var(--abk-text);
}
.abk-card--strong { border-color: var(--abk-border-strong); border-width: 2px; }
.abk-card--soft   { border-color: var(--abk-border-soft); }
.abk-card--flat   { box-shadow: none; }

.abk-section {
  background: var(--abk-bg-2);
  border: var(--abk-border-width) solid var(--abk-border-section);
  border-radius: var(--abk-radius);
  padding: var(--abk-space-4) var(--abk-section-padding);
}

/* Stack vertical con gap consistente */
.abk-stack    { display: flex; flex-direction: column; gap: var(--abk-section-gap); }
.abk-stack-sm { display: flex; flex-direction: column; gap: var(--abk-space-2); }
.abk-row      { display: flex; align-items: center; gap: var(--abk-space-3); }
.abk-row-end  { display: flex; align-items: center; gap: var(--abk-space-2); justify-content: flex-end; }

/* ============================================================================
   6) BOTONES
   ============================================================================
   Uso:
     <button class="abk-btn abk-btn--primary">Guardar</button>
     <button class="abk-btn abk-btn--ghost abk-btn--sm">Cancelar</button>
   ============================================================================ */
.abk-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--abk-space-2);
  height: 36px;
  padding: 0 14px;
  border: 1px solid var(--abk-border-section);
  border-radius: var(--abk-radius-sm);
  background: var(--abk-surface);
  color: var(--abk-text);
  font-family: inherit;
  font-size: var(--abk-font-size-base);
  font-weight: 600;
  line-height: 1;
  cursor: pointer;
  white-space: nowrap;
  transition: background var(--abk-transition-fast),
              border-color var(--abk-transition-fast),
              box-shadow var(--abk-transition-fast),
              color var(--abk-transition-fast),
              transform var(--abk-transition-fast),
              opacity var(--abk-transition-fast);
}
.abk-btn:hover   { background: var(--abk-surface-2); border-color: var(--abk-border-strong); }
.abk-btn:active  { transform: translateY(1px); }
.abk-btn:focus-visible { outline: none; box-shadow: var(--abk-shadow-focus); }
.abk-btn:disabled,
.abk-btn[disabled] { opacity: .55; cursor: not-allowed; }

.abk-btn--primary {
  background: var(--abk-primary);
  border-color: var(--abk-primary);
  color: var(--abk-text-on-primary);
  box-shadow: 0 4px 12px rgba(0,0,0,.10);
}
.abk-btn--primary:hover {
  background: var(--abk-primary-2);
  border-color: var(--abk-primary-2);
  color: var(--abk-text-on-primary);
}
html[data-theme="dark"] .abk-btn--primary {
  background: var(--abk-primary-2);
  border-color: var(--abk-primary-3);
}

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

.abk-btn--danger {
  background: var(--abk-err);
  border-color: var(--abk-err);
  color: #fff;
}
.abk-btn--danger:hover {
  background: var(--abk-err-strong);
  border-color: var(--abk-err-strong);
  color: #fff;
}

.abk-btn--ok {
  background: var(--abk-ok);
  border-color: var(--abk-ok);
  color: #fff;
}
.abk-btn--ok:hover {
  background: var(--abk-ok-strong);
  border-color: var(--abk-ok-strong);
  color: #fff;
}

.abk-btn--sm    { height: 30px; padding: 0 10px; font-size: var(--abk-font-size-sm); }
.abk-btn--lg    { height: 44px; padding: 0 20px; font-size: var(--abk-font-size-lg); border-radius: var(--abk-radius); }
.abk-btn--block { width: 100%; }

/* ============================================================================
   7) FORMS
   ============================================================================ */
.abk-field {
  display: flex;
  flex-direction: column;
  gap: var(--abk-space-1);
}
.abk-label {
  font-size: var(--abk-font-size-sm);
  font-weight: 600;
  color: var(--abk-text-soft);
  letter-spacing: .2px;
}
.abk-label--req::after { content: ' *'; color: var(--abk-err); }

.abk-input,
.abk-select,
.abk-textarea {
  font-family: inherit;
  font-size: var(--abk-font-size-base);
  color: var(--abk-input-text);
  background: var(--abk-input-bg);
  border: 1px solid var(--abk-input-border);
  border-radius: var(--abk-radius-sm);
  padding: 8px 10px;
  line-height: var(--abk-line-height);
  transition: border-color var(--abk-transition-fast), box-shadow var(--abk-transition-fast), background var(--abk-transition-fast);
  width: 100%;
  box-sizing: border-box;
}
.abk-input::placeholder,
.abk-textarea::placeholder { color: var(--abk-input-placeholder); }
.abk-input:focus,
.abk-select:focus,
.abk-textarea:focus {
  outline: none;
  border-color: var(--abk-input-border-focus);
  box-shadow: var(--abk-shadow-focus);
}
.abk-textarea { min-height: 96px; resize: vertical; }
.abk-help     { font-size: var(--abk-font-size-sm); color: var(--abk-text-muted); }
.abk-error    { font-size: var(--abk-font-size-sm); color: var(--abk-err); }

/* Grid de formulario — 2 columnas que colapsan en angosto. Reutilizable por
   cualquier formulario (config de email/pasarelas/facturación, etc.). Cada
   campo va en un .abk-field; un campo a todo el ancho lleva --wide. */
.abk-form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--abk-space-4);
}
.abk-form-grid__wide { grid-column: 1 / -1; }
@media (max-width: 700px) { .abk-form-grid { grid-template-columns: 1fr; } }

/* ============================================================================
   8) TABLA
   ============================================================================ */
.abk-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--abk-font-size-base);
  color: var(--abk-text);
  background: transparent;
}
.abk-table thead th {
  background: var(--abk-primary);
  color: var(--abk-text-on-primary);
  font-weight: 700;
  text-align: left;
  padding: 10px 12px;
  border-bottom: 2px solid var(--abk-border-strong);
}
.abk-table tbody td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--abk-border-soft);
  vertical-align: middle;
}
.abk-table tbody tr:last-child td { border-bottom: none; }
.abk-table tbody tr:hover td { background: var(--abk-surface-2); }
html[data-theme="dark"] .abk-table thead th { background: var(--abk-primary-2); }
html[data-theme="dark"] .abk-table tbody tr:hover td { background: color-mix(in oklch, var(--abk-primary) 12%, transparent); }

/* ============================================================================
   9) BADGE / STATUS / PROGRESS
   ============================================================================ */
.abk-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 2px 8px;
  border-radius: var(--abk-radius-sm);
  font-size: var(--abk-font-size-xs);
  font-weight: 700;
  letter-spacing: .4px;
  text-transform: uppercase;
  background: color-mix(in oklch, var(--abk-primary) 15%, transparent);
  color: var(--abk-primary-2);
  border: 1px solid var(--abk-border-section);
}
html[data-theme="dark"] .abk-badge { color: var(--abk-primary-soft); }

.abk-status            { font-weight: 600; font-size: var(--abk-font-size-sm); }
.abk-status--ok        { color: var(--abk-ok-strong); }
.abk-status--warn      { color: var(--abk-warn-strong); }
.abk-status--err       { color: var(--abk-err-strong); }
.abk-status--info      { color: var(--abk-info-strong); }
html[data-theme="dark"] .abk-status--ok   { color: var(--abk-ok); }
html[data-theme="dark"] .abk-status--warn { color: var(--abk-warn); }
html[data-theme="dark"] .abk-status--err  { color: var(--abk-err); }
html[data-theme="dark"] .abk-status--info { color: var(--abk-info); }

.abk-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: var(--abk-radius-pill);
  font-size: var(--abk-font-size-xs);
  font-weight: 700;
  background: var(--abk-surface-2);
  color: var(--abk-text);
  border: 1px solid var(--abk-border-section);
}
.abk-pill--ok   { background: var(--abk-ok-bg);   color: var(--abk-ok-strong);   border-color: rgba(22,163,74,.30); }
.abk-pill--warn { background: var(--abk-warn-bg); color: var(--abk-warn-strong); border-color: rgba(217,119,6,.30); }
.abk-pill--err  { background: var(--abk-err-bg);  color: var(--abk-err-strong);  border-color: rgba(220,38,38,.30); }

/* Barra de progreso reutilizable */
.abk-progress {
  display: block;
  width: 100%;
  height: 12px;
  background: var(--abk-surface-2);
  border-radius: var(--abk-radius-pill);
  overflow: hidden;
}
.abk-progress__fill {
  display: block;
  height: 100%;
  width: 0;
  background: var(--abk-primary);
  border-radius: inherit;
  transition: width .3s var(--abk-ease);
}
.abk-progress--ok   .abk-progress__fill { background: var(--abk-ok-strong); }
.abk-progress--warn .abk-progress__fill { background: var(--abk-warn-strong); }
.abk-progress--err  .abk-progress__fill { background: var(--abk-err-strong); }
.abk-progress__label {
  display: block;
  margin-top: 4px;
  font-size: var(--abk-font-size-sm);
  color: var(--abk-text-muted);
  text-align: right;
}
html[data-theme="dark"] .abk-progress { background: rgba(255,255,255,.08); }

/* ============================================================================
   10) MODAL — overlay + dialog
   ============================================================================
   Estructura sugerida:
     <div class="abk-modal abk-show">
       <div class="abk-modal__overlay"></div>
       <div class="abk-modal__dialog">
         <header class="abk-modal__head">
           <h3 class="abk-h3">Título</h3>
           <button class="abk-modal__close">×</button>
         </header>
         <div class="abk-modal__body">…</div>
         <footer class="abk-modal__foot">
           <button class="abk-btn">Cancelar</button>
           <button class="abk-btn abk-btn--primary">Guardar</button>
         </footer>
       </div>
     </div>
   ============================================================================ */
.abk-modal {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  z-index: var(--abk-z-modal);
  opacity: 0;
  transition: opacity .18s var(--abk-ease);
}
.abk-modal.abk-show { display: flex; opacity: 1; }

.abk-modal__overlay {
  position: absolute;
  inset: 0;
  background: var(--abk-surface-overlay);
  z-index: var(--abk-z-modal-overlay);
}
.abk-modal__dialog {
  position: relative;
  z-index: var(--abk-z-modal);
  background: var(--abk-surface);
  color: var(--abk-text);
  border: 1px solid var(--abk-border-section);
  border-radius: var(--abk-radius-lg);
  box-shadow: var(--abk-shadow-modal);
  max-width: 720px;
  width: 96%;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  transform: translateY(8px) scale(.98);
  transition: transform .18s var(--abk-ease);
}
.abk-modal.abk-show .abk-modal__dialog { transform: translateY(0) scale(1); }

.abk-modal__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--abk-space-3);
  padding: 12px 16px;
  border-bottom: 1px solid var(--abk-border-soft);
}
.abk-modal__close {
  background: transparent;
  border: none;
  color: var(--abk-text-muted);
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: var(--abk-radius-sm);
}
.abk-modal__close:hover { background: var(--abk-surface-2); color: var(--abk-text); }

.abk-modal__body {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: var(--abk-space-3);
  overflow: auto;
}
.abk-modal__foot {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--abk-space-2);
  padding: 12px 16px;
  border-top: 1px solid var(--abk-border-soft);
}
.abk-modal--lg .abk-modal__dialog { max-width: 960px; }
.abk-modal--sm .abk-modal__dialog { max-width: 480px; }

/* ============================================================================
   11) PASARELAS DE PAGO — namespace global reservado
   ============================================================================
   Uso futuro al unificar Conekta / Stripe / etc.
   La estructura está definida desde ya para que cuando refactoricemos
   pasarelas no haya discusión sobre dónde van las clases.

   Estructura sugerida:
     <section class="abk-pay">
       <header class="abk-pay__head">…</header>
       <ul class="abk-pay__methods">
         <li class="abk-pay__method abk-pay__method--card is-active">…</li>
         <li class="abk-pay__method abk-pay__method--oxxo">…</li>
         <li class="abk-pay__method abk-pay__method--spei">…</li>
       </ul>
       <div class="abk-pay__form">…</div>
       <footer class="abk-pay__foot">…</footer>
     </section>
   ============================================================================ */
.abk-pay {
  display: flex;
  flex-direction: column;
  gap: var(--abk-section-gap);
  background: var(--abk-surface);
  border: 1px solid var(--abk-border-section);
  border-radius: var(--abk-radius);
  padding: var(--abk-section-padding);
}
.abk-pay__head    { display: flex; align-items: center; justify-content: space-between; gap: var(--abk-space-3); }
.abk-pay__title   { font-size: var(--abk-font-size-h3); font-weight: 700; color: var(--abk-text); margin: 0; }
.abk-pay__brand   { display: inline-flex; align-items: center; gap: 6px; font-size: var(--abk-font-size-sm); color: var(--abk-text-muted); }

.abk-pay__methods {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: var(--abk-space-2);
  list-style: none;
  padding: 0;
  margin: 0;
}
.abk-pay__method {
  display: flex;
  align-items: center;
  gap: var(--abk-space-2);
  padding: 12px 14px;
  border: 1px solid var(--abk-border-section);
  border-radius: var(--abk-radius-sm);
  background: var(--abk-surface-2);
  cursor: pointer;
  transition: border-color var(--abk-transition-fast), background var(--abk-transition-fast);
}
.abk-pay__method:hover { border-color: var(--abk-border-strong); }
.abk-pay__method.is-active {
  border-color: var(--abk-primary);
  background: var(--abk-primary);
  color: var(--abk-text-on-primary);
}
.abk-pay__method-icon { width: 24px; height: 24px; flex-shrink: 0; }
.abk-pay__method-name { font-weight: 700; }
.abk-pay__method-fee  { font-size: var(--abk-font-size-sm); color: var(--abk-text-muted); }
.abk-pay__method.is-active .abk-pay__method-fee { color: rgba(255,255,255,.85); }

.abk-pay__form    { display: flex; flex-direction: column; gap: var(--abk-space-3); }
.abk-pay__total   {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding: 12px 0;
  border-top: 1px dashed var(--abk-border-section);
  border-bottom: 1px dashed var(--abk-border-section);
}
.abk-pay__total-label { color: var(--abk-text-soft); }
.abk-pay__total-value { font-size: var(--abk-font-size-h2); font-weight: 800; color: var(--abk-primary-2); }
html[data-theme="dark"] .abk-pay__total-value { color: var(--abk-primary-soft); }

.abk-pay__foot { display: flex; gap: var(--abk-space-2); justify-content: flex-end; align-items: center; }

/* Estados de cobro */
.abk-pay__status            { font-weight: 700; font-size: var(--abk-font-size-sm); }
.abk-pay__status--pending   { color: var(--abk-warn-strong); }
.abk-pay__status--paid      { color: var(--abk-ok-strong); }
.abk-pay__status--failed    { color: var(--abk-err-strong); }
.abk-pay__status--refunded  { color: var(--abk-text-muted); }

/* ============================================================================
   12) TABS — pestañas de navegación
   ----------------------------------------------------------------------------
   Componente ÚNICO de pestañas para todo el sistema. Cualquier módulo que
   necesite pestañas usa .abk-tabs + .abk-tab — NO se crea CSS de pestañas
   por módulo (eso causa que diverjan).

   Uso:
     <nav class="abk-tabs" role="tablist">
       <button class="abk-tab is-active" role="tab">Sección 1</button>
       <button class="abk-tab" role="tab">Sección 2</button>
     </nav>

   La pestaña activa lleva .is-active. Una sola regla por estado: los tokens
   --abk-* se adaptan solos a claro/oscuro, sin reglas dark separadas.
   ============================================================================ */
.abk-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--abk-space-1);
  margin: 0 0 var(--abk-space-4);
  border-bottom: 1px solid var(--abk-border-section);
  overflow-x: auto;
  scrollbar-width: thin;
}
.abk-tab {
  appearance: none;
  display: inline-flex;
  align-items: center;
  gap: var(--abk-space-2);
  margin-bottom: -1px;
  padding: 18px 26px;
  border: 0;
  border-bottom: 5px solid transparent;
  border-radius: var(--abk-radius-sm) var(--abk-radius-sm) 0 0;
  background: transparent;
  color: var(--abk-text-muted);
  font-family: inherit;
  font-size: var(--abk-font-size-base);
  font-weight: 700;
  line-height: 1;
  white-space: nowrap;
  cursor: pointer;
  transition: color var(--abk-transition-fast),
              background var(--abk-transition-fast),
              border-color var(--abk-transition-fast);
}
.abk-tab:hover {
  color: var(--abk-text);
  background: var(--abk-surface-2);
}
.abk-tab.is-active {
  background: var(--abk-primary);
  color: var(--abk-text-on-primary);
  border-bottom-color: var(--abk-primary);
}
.abk-tab:focus-visible {
  outline: none;
  box-shadow: var(--abk-shadow-focus);
}
.abk-tab:disabled,
.abk-tab[disabled] { opacity: .55; cursor: not-allowed; }

/* Panel de contenido de una pestaña. El JS pone .is-active en el pane que
   corresponde a la pestaña activa. Acompaña a .abk-tabs/.abk-tab. */
.abk-tabpane { display: none; }
.abk-tabpane.is-active { display: block; }

/* ============================================================================
   13) SWITCH — toggle on/off (checkbox estilizado)
   ----------------------------------------------------------------------------
   Estructura:
     <label class="abk-switch">
       <input type="checkbox">
       <span class="abk-switch__slider"></span>
       <span>Texto opcional</span>
     </label>
   --locked deshabilita visualmente (combinar con input disabled).
   ============================================================================ */
.abk-switch {
  display: inline-flex;
  align-items: center;
  gap: var(--abk-space-2);
  cursor: pointer;
  user-select: none;
}
.abk-switch input {
  position: absolute;
  width: 1px; height: 1px;
  opacity: 0;
  pointer-events: none;
}
.abk-switch__slider {
  position: relative;
  flex-shrink: 0;
  width: 38px; height: 22px;
  border-radius: var(--abk-radius-pill);
  background: var(--abk-border-section);
  transition: background var(--abk-transition-fast);
}
.abk-switch__slider::before {
  content: "";
  position: absolute;
  top: 3px; left: 3px;
  width: 16px; height: 16px;
  border-radius: 50%;
  background: var(--abk-text-on-primary);
  box-shadow: var(--abk-shadow-1);
  transition: transform var(--abk-transition-fast);
}
.abk-switch input:checked + .abk-switch__slider { background: var(--abk-primary); }
.abk-switch input:checked + .abk-switch__slider::before { transform: translateX(16px); }
.abk-switch input:focus-visible + .abk-switch__slider { box-shadow: var(--abk-shadow-focus); }
.abk-switch--locked { cursor: not-allowed; opacity: .55; }

/* ============================================================================
   14) ALERT — aviso inline con estado (info/warn/err/ok)
   ----------------------------------------------------------------------------
   Estructura:
     <div class="abk-alert abk-alert--warn">
       <span class="abk-alert__icon">⚠</span>
       <div class="abk-alert__body">…</div>
     </div>
   Mismos estados que .abk-status. Para banners de outage, validaciones,
   cambios de estado batch, etc. NO crear .x-alert/.x-banner por módulo.
   ============================================================================ */
.abk-alert {
  display: flex;
  gap: var(--abk-space-3);
  padding: var(--abk-space-3) var(--abk-space-4);
  border: 1px solid var(--abk-border-section);
  border-radius: var(--abk-radius-sm);
  font-size: var(--abk-font-size-sm);
  color: var(--abk-text);
}
.abk-alert__icon { font-size: 1.4em; line-height: 1.1; flex-shrink: 0; }
.abk-alert__body { display: flex; flex-direction: column; gap: var(--abk-space-1); min-width: 0; }
.abk-alert--info {
  background: color-mix(in oklch, var(--abk-info) 8%, var(--abk-surface));
  border-color: color-mix(in oklch, var(--abk-info) 35%, var(--abk-border-section));
  color: var(--abk-info-strong);
}
.abk-alert--warn {
  background: color-mix(in oklch, var(--abk-warn) 10%, var(--abk-surface));
  border-color: color-mix(in oklch, var(--abk-warn) 45%, var(--abk-border-section));
  color: var(--abk-warn-strong);
}
.abk-alert--err {
  background: color-mix(in oklch, var(--abk-err) 8%, var(--abk-surface));
  border-color: color-mix(in oklch, var(--abk-err) 35%, var(--abk-border-section));
  color: var(--abk-err-strong);
}
.abk-alert--ok {
  background: color-mix(in oklch, var(--abk-ok) 8%, var(--abk-surface));
  border-color: color-mix(in oklch, var(--abk-ok) 35%, var(--abk-border-section));
  color: var(--abk-ok-strong);
}