/* ==========================================================================
   /public_html/assets/css/componentes.css — MA Ayacucho (Producción)
   Propósito:
   - Componentes base reutilizables: Botones, Chips, Toasts.
   - Accesibles (contraste ≥ 3:1 y foco visible), sin estilos inline (CSP).
   - Se carga ANTES de main.css/app.css para permitir overrides posteriores.
   ========================================================================== */


/* ==============================
   Variables (defaults seguros)
   ============================== */
:root {
  /* Paleta base */
  --color-primario: #0ea5e9;     /* Azul marca por defecto */
  --brand-ink: #062a33;          /* Texto sobre primario (≥ 3:1) */
  --fg: #0f172a;                 /* Texto principal */
  --fg-weak: #475569;            /* Texto atenuado */
  --bg: #ffffff;                 /* Fondo */
  --surface: #ffffff;            /* Superficie tarjetas/botones */
  --border: #e2e8f0;             /* Borde suave */

  /* Semáforo */
  --ok: #16a34a;
  --warn: #f59e0b;
  --error: #ef4444;

  /* Layout / UI */
  --radius: 12px;
  --shadow: 0 8px 24px rgba(0,0,0,.12);
  --focus-ring: 2px solid color-mix(in srgb, var(--color-primario) 60%, #fff);

  /* Botones */
  --btn-minh: 44px;              /* Click target mínimo accesible */
  --btn-pad-x: 1.1rem;
  --btn-pad-y: .7rem;
  --btn-gap: .5rem;

  /* Toasts */
  --toast-pad-x: 14px;
  --toast-pad-y: 10px;
  --toast-radius: 12px;
  --toast-gap: 8px;

  /* Z-index */
  --z-toast: 9999;
  --z-controls: 30;
}

/* Preferencias del usuario */
@media (prefers-reduced-motion: reduce) {
  * { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
}
@media (prefers-contrast: more) {
  :root { --focus-ring: 3px solid #000; }
}


/* ==========================================================================
   BOTONES
   - Base + variantes (primary/secondary/outline/ghost) y tamaños.
   - Accesibles: foco visible, tamaño mínimo, estados hover/active/disabled.
   ========================================================================== */
.btn {
  -webkit-appearance: none;
  appearance: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--btn-gap);
  padding: var(--btn-pad-y) var(--btn-pad-x);
  min-height: var(--btn-minh);
  border-radius: var(--radius);
  border: 1px solid transparent;
  background: var(--surface);
  color: var(--fg);
  font: inherit;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  user-select: none;
  box-shadow: var(--shadow);
  transition:
    filter .15s ease,
    transform .05s ease,
    box-shadow .15s ease,
    background-color .15s ease,
    color .15s ease,
    border-color .15s ease;
}
.btn:focus-visible { outline: var(--focus-ring); outline-offset: 2px; }
.btn:hover { filter: brightness(.98); }
.btn:active { transform: translateY(1px); }
.btn[disabled], .btn:disabled { opacity: .6; cursor: not-allowed; box-shadow: none; }

/* Primario: alto contraste sobre color de marca (≥ 3:1) */
.btn--primary {
  background: var(--color-primario);
  color: var(--brand-ink);
  border-color: color-mix(in srgb, var(--color-primario) 40%, #000);
}

/* Secundario: alto contraste sobre fondo neutro */
.btn--secondary {
  background: #334155;   /* slate-700 */
  color: #ffffff;
  border-color: #1f2937; /* slate-800 */
}

/* Outline: contorno sobre fondo (usado en el héroe) */
.btn--outline {
  background: transparent;
  color: var(--color-primario);
  border-color: color-mix(in srgb, var(--color-primario) 65%, var(--border));
  box-shadow: none;
}
.btn--outline:hover { background: color-mix(in srgb, var(--color-primario) 10%, #fff); }

/* Ghost: contorno sutil sin sombra */
.btn--ghost {
  background: transparent;
  color: var(--fg);
  border-color: var(--border);
  box-shadow: none;
}

/* Tamaños */
.btn--sm { padding: .5rem .75rem; min-height: 36px; font-weight: 600; }
.btn--lg { padding: .85rem 1.25rem; min-height: 48px; font-weight: 800; }

/* Iconos dentro del botón (no estirar) */
.btn .icon,
.btn svg { width: 1.1em; height: 1.1em; flex: 0 0 auto; }

/* Bloque completo opcional */
.btn--block { display: inline-flex; width: 100%; }

/* Estado de carga accesible (usa aria-busy="true") */
.btn[aria-busy="true"] {
  position: relative;
  pointer-events: none;
  opacity: .85;
}
.btn[aria-busy="true"]::after{
  content:"";
  width: 1em; height: 1em;
  border-radius: 50%;
  border: 2px solid currentColor;
  border-top-color: transparent;
  margin-inline-start: .5rem;
  display: inline-block;
  animation: ma-spin .8s linear infinite;
}
@keyframes ma-spin { to { transform: rotate(360deg); } }


/* ==========================================================================
   UTILS Z-LAYER (para controles flotantes/toasts)
   ========================================================================== */
.z-controls { position: relative; z-index: var(--z-controls); }
.z-toast { position: fixed; right: 16px; bottom: 16px; z-index: var(--z-toast); }


/* ==========================================================================
   TOASTS (compat global) — usados por showToast() en ui-rides.js
   - .toast aparece en esquina si además tiene .z-toast.
   - Animación simple con clase .is-visible (JS la alterna).
   ========================================================================== */
.toast {
  display: inline-flex;
  align-items: center;
  gap: var(--toast-gap);
  padding: var(--toast-pad-y) var(--toast-pad-x);
  border-radius: var(--toast-radius);
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--fg);
  font-weight: 600;
  box-shadow: var(--shadow);
  opacity: 0;
  transform: translateY(4px);
  transition: opacity .2s ease, transform .2s ease, filter .15s ease;
}
.toast.is-visible { opacity: 1; transform: translateY(0); }
.toast--ok {
  background: color-mix(in srgb, var(--ok) 12%, #fff);
  border-color: color-mix(in srgb, var(--ok) 40%, var(--border));
  color: color-mix(in srgb, var(--ok) 85%, #053);
}
.toast--warn {
  background: color-mix(in srgb, var(--warn) 14%, #fff);
  border-color: color-mix(in srgb, var(--warn) 45%, var(--border));
  color: color-mix(in srgb, var(--warn) 85%, #442);
}
.toast--error {
  background: color-mix(in srgb, var(--error) 12%, #fff);
  border-color: color-mix(in srgb, var(--error) 45%, var(--border));
  color: color-mix(in srgb, var(--error) 88%, #511);
}
.toast .icon,
.toast svg { width: 1.1em; height: 1.1em; flex: 0 0 auto; }


/* ==========================================================================
   CHIPS DE LEYENDA (no interactivos)
   ========================================================================== */
.chip-legend {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 9999px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--fg-weak);
  font-size: .8125rem;
  font-weight: 700;
  line-height: 1;
  user-select: none;
  pointer-events: none; /* No son toggles */
}
/* Variante: Disponible (verde) */
.chip-legend--disponible {
  background: color-mix(in srgb, var(--ok) 12%, #fff);
  border-color: color-mix(in srgb, var(--ok) 35%, var(--border));
  color: color-mix(in srgb, var(--ok) 80%, #063);
}
/* Variante: Ocupado (gris) */
.chip-legend--ocupado {
  background: color-mix(in srgb, var(--fg-weak) 10%, #fff);
  border-color: color-mix(in srgb, var(--fg-weak) 35%, var(--border));
  color: color-mix(in srgb, var(--fg-weak) 90%, #333);
}
/* Puntito de estado opcional */
.chip-legend::before {
  content: "";
  width: 8px; height: 8px; border-radius: 9999px;
  background: currentColor;
  opacity: .7;
}


/* ==========================================================================
   TOASTS “ma-toast” (API nueva) — opcional, compatible con sw-update-toast
   ========================================================================== */
.ma-toast {
  position: fixed;
  inset-block-end: 1rem;   /* bottom: 1rem (soporta LTR/RTL) */
  inset-inline: 0;         /* left/right: 0 */
  display: flex;
  justify-content: center;
  z-index: var(--z-toast);
  pointer-events: none;    /* clics pasan a la página */
}
.ma-toast__body {
  pointer-events: auto;
  background: rgba(17, 24, 39, 0.94);   /* gris-900 con leve transparencia */
  color: #fff;
  border-radius: var(--toast-radius);
  padding: var(--toast-pad-y) var(--toast-pad-x);
  width: min(92vw, 480px);
  border: 1px solid #0b1220;
  box-shadow: var(--shadow);
  backdrop-filter: saturate(150%) blur(6px);
}
.ma-toast__title { display: block; margin: 0 0 .25rem; font-weight: 600; }
.ma-toast__text  { margin: 0 0 .75rem; opacity: .9; }
.ma-toast__actions { display: flex; gap: .5rem; justify-content: flex-end; }
.ma-toast__body .btn { box-shadow: none; }

.ma-toast--ok .ma-toast__body {
  background: color-mix(in srgb, var(--ok) 18%, #111827);
  border-color: color-mix(in srgb, var(--ok) 40%, #0b1220);
}
.ma-toast--warn .ma-toast__body {
  background: color-mix(in srgb, var(--warn) 22%, #111827);
  border-color: color-mix(in srgb, var(--warn) 45%, #0b1220);
}
.ma-toast--error .ma-toast__body {
  background: color-mix(in srgb, var(--error) 20%, #111827);
  border-color: color-mix(in srgb, var(--error) 50%, #0b1220);
}


/* ==========================================================================
   Modo oscuro / Alto contraste del sistema
   ========================================================================== */
@media (prefers-color-scheme: dark) {
  .btn--secondary {
    background: #1f2937;  /* slate-800 */
    border-color: #0b1220;
  }
  .toast {
    background: color-mix(in srgb, #0f172a 85%, var(--surface));
    border-color: #0b1220;
    color: var(--fg);
  }
  .toast--ok {
    background: color-mix(in srgb, var(--ok) 14%, #0f172a);
    border-color: color-mix(in srgb, var(--ok) 35%, #0b1220);
  }
  .toast--warn {
    background: color-mix(in srgb, var(--warn) 16%, #0f172a);
    border-color: color-mix(in srgb, var(--warn) 40%, #0b1220);
  }
  .toast--error {
    background: color-mix(in srgb, var(--error) 16%, #0f172a);
    border-color: color-mix(in srgb, var(--error) 45%, #0b1220);
  }
}

/* Windows High Contrast (Forced colors) */
@media (forced-colors: active) {
  .btn { border: 1px solid ButtonText; }
  .btn:focus-visible { outline: 2px solid Highlight; }
  .toast, .ma-toast__body { border: 1px solid CanvasText; }
}