/* ============================================================================
   UNAM Inteligente — estilos de la capa IA (asistente.css)
   Tokens compartidos con la demo: --unam-azul #002B7A · --unam-oro #D59F0F ·
   --papel #FBF8F1 · display EB Garamond · cuerpo Geist Sans.
   Con fallbacks locales por si se carga standalone (test QA).
============================================================================ */

:root {
  --asist-azul: var(--unam-azul, #002B7A);
  --asist-azul-deep: var(--unam-azul-deep, #001742);
  --asist-oro: var(--unam-oro, #D59F0F);
  --asist-oro-soft: var(--unam-oro-soft, #F3E3B3);
  --asist-papel: var(--papel, #FBF8F1);
  --asist-tinta: var(--tinta, #101A2E);
  --asist-muted: var(--tinta-muted, #4A5568);
  --asist-borde: var(--borde, rgba(0, 43, 122, .08));
}

/* ---------- card de respuesta (omnibox y chat) ---------- */

.asist-card {
  background: #fff;
  border: 1px solid var(--asist-borde);
  border-left: 3px solid var(--asist-oro);
  border-radius: .9rem;
  padding: 1.1rem 1.25rem 1rem;
  box-shadow: 0 8px 30px rgba(0, 23, 66, .08);
  text-align: left;
  color: var(--asist-tinta);
  transition: opacity .28s ease, transform .28s ease;
}

.asist-entrando {
  opacity: 0;
  transform: translateY(8px);
}

.asist-card-titulo {
  font-family: 'EB Garamond', Georgia, serif;
  font-weight: 600;
  font-size: 1.15rem;
  line-height: 1.2;
  color: var(--asist-azul-deep);
  margin: 0 0 .5rem;
}

.asist-card-cuerpo {
  font-size: .92rem;
  line-height: 1.6;
}

.asist-card-cuerpo p { margin: 0 0 .55rem; }
.asist-card-cuerpo p:last-child { margin-bottom: 0; }

.asist-card-cuerpo ul {
  margin: 0 0 .55rem;
  padding-left: 1.1rem;
}

.asist-card-cuerpo li { margin-bottom: .3rem; }
.asist-card-cuerpo li::marker { color: var(--asist-oro); }

.asist-card-cuerpo strong {
  color: var(--asist-azul-deep);
  font-weight: 600;
}

/* ---------- badge de fuente oficial ---------- */

.asist-fuente {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  margin-top: .65rem;
  padding: .28rem .65rem;
  font-size: .74rem;
  font-weight: 500;
  letter-spacing: .01em;
  color: var(--asist-azul);
  background: rgba(0, 43, 122, .055);
  border: 1px solid rgba(0, 43, 122, .16);
  border-radius: 999px;
  white-space: nowrap;
}

.asist-fuente svg {
  width: .8rem;
  height: .8rem;
  fill: var(--asist-azul);
  flex: none;
}

/* ---------- chips de sugerencia / desambiguación ---------- */

.asist-sugerencias {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin-top: .35rem;
}

.asist-chip {
  min-height: 44px;
  padding: .5rem .9rem;
  font-family: inherit;
  font-size: .85rem;
  font-weight: 500;
  color: var(--asist-azul);
  background: #fff;
  border: 1px solid rgba(0, 43, 122, .22);
  border-radius: 999px;
  cursor: pointer;
  transition: background .18s ease, border-color .18s ease;
}

.asist-chip:hover {
  background: var(--asist-oro-soft);
  border-color: var(--asist-oro);
}

/* ---------- dock flotante ---------- */

.asist-dock {
  position: fixed;
  right: 1.25rem;
  bottom: 1.25rem;
  z-index: 120;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: .75rem;
  font-family: 'Geist Sans', system-ui, sans-serif;
}

.asist-toggle {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  min-height: 52px;
  padding: .8rem 1.2rem;
  font-family: inherit;
  font-size: .92rem;
  font-weight: 600;
  color: #fff;
  background: var(--asist-azul);
  border: none;
  border-radius: 999px;
  box-shadow: 0 10px 30px rgba(0, 23, 66, .3);
  cursor: pointer;
  transition: background .18s ease, transform .18s ease;
}

.asist-toggle:hover {
  background: var(--asist-azul-deep);
  transform: translateY(-1px);
}

.asist-toggle svg {
  width: 1.3rem;
  height: 1.3rem;
  fill: var(--asist-oro);
  flex: none;
}

/* ---------- panel de chat (estilo WhatsApp claro) ---------- */

.asist-panel {
  width: min(24rem, calc(100vw - 2rem));
  height: min(33rem, calc(100dvh - 7rem));
  display: flex;
  flex-direction: column;
  background: var(--asist-papel);
  border: 1px solid var(--asist-borde);
  border-radius: 1.1rem;
  box-shadow: 0 24px 60px rgba(0, 23, 66, .25);
  overflow: hidden;
}

/* el atributo hidden debe ganar a display:flex — sin esto el panel abre solo al cargar */
.asist-panel[hidden] {
  display: none;
}

.asist-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .75rem;
  padding: .85rem 1.1rem;
  background: var(--asist-azul-deep);
  color: #fff;
}

.asist-head-info {
  display: flex;
  flex-direction: column;
  line-height: 1.3;
}

.asist-head-info strong {
  font-family: 'EB Garamond', Georgia, serif;
  font-size: 1.05rem;
  font-weight: 600;
}

.asist-head-info span {
  font-size: .72rem;
  color: var(--asist-oro-soft);
}

.asist-cerrar {
  width: 44px;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  background: transparent;
  border: none;
  border-radius: .6rem;
  cursor: pointer;
}

.asist-cerrar:hover { background: rgba(255, 255, 255, .12); }

.asist-cerrar svg {
  width: 1.1rem;
  height: 1.1rem;
}

.asist-msgs {
  flex: 1;
  overflow-y: auto;
  padding: 1rem .9rem;
  display: flex;
  flex-direction: column;
  gap: .65rem;
  background:
    radial-gradient(rgba(0, 43, 122, .035) 1px, transparent 1px) 0 0 / 18px 18px,
    var(--asist-papel);
}

.asist-msg {
  max-width: 88%;
  border-radius: .9rem;
  font-size: .88rem;
  line-height: 1.55;
}

.asist-msg--user {
  align-self: flex-end;
  padding: .6rem .85rem;
  background: var(--asist-azul);
  color: #fff;
  border-bottom-right-radius: .25rem;
}

.asist-msg--bot {
  align-self: flex-start;
  max-width: 96%;
  border-bottom-left-radius: .25rem;
}

/* dentro del chat las cards se aligeran */
.asist-msg--bot .asist-card {
  box-shadow: none;
  border-radius: .9rem;
  border-bottom-left-radius: .25rem;
  padding: .85rem .95rem .8rem;
}

.asist-msg--bot > p { margin: 0 0 .45rem; }

.asist-msg--bot:not(:has(.asist-card)) {
  background: #fff;
  border: 1px solid var(--asist-borde);
  padding: .7rem .9rem;
}

.asist-form {
  display: flex;
  gap: .5rem;
  padding: .7rem .8rem;
  background: #fff;
  border-top: 1px solid var(--asist-borde);
}

.asist-form input {
  flex: 1;
  min-height: 44px;
  padding: .55rem .9rem;
  font-family: inherit;
  font-size: .9rem;
  color: var(--asist-tinta);
  background: var(--asist-papel);
  border: 1px solid rgba(0, 43, 122, .18);
  border-radius: 999px;
}

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

.asist-form input:focus {
  outline: none;
  border-color: var(--asist-azul);
  box-shadow: 0 0 0 3px rgba(0, 43, 122, .12);
}

.asist-form button {
  width: 46px;
  height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--asist-oro);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  transition: background .18s ease;
}

.asist-form button:hover { background: #b8890c; }

.asist-form button svg {
  width: 1.15rem;
  height: 1.15rem;
  fill: var(--asist-azul-deep);
}

/* ---------- accesibilidad ---------- */

.asist-visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  border: 0;
  clip: rect(0 0 0 0);
  overflow: hidden;
  white-space: nowrap;
}

/* foco visible coherente con la demo (fallback si la página no lo define) */
.asist-dock :focus-visible,
.asist-card :focus-visible {
  outline: 3px solid var(--asist-oro);
  outline-offset: 2px;
  border-radius: 4px;
}

@media (prefers-reduced-motion: reduce) {
  .asist-card,
  .asist-toggle,
  .asist-chip,
  .asist-form button {
    transition: none;
  }
  .asist-entrando {
    opacity: 1;
    transform: none;
  }
  .asist-toggle:hover { transform: none; }
}

/* ---------- móvil ---------- */

@media (max-width: 480px) {
  .asist-dock {
    right: .75rem;
    bottom: .75rem;
  }
  .asist-toggle-txt { display: none; }
  .asist-toggle {
    width: 56px;
    height: 56px;
    justify-content: center;
    padding: 0;
  }
  .asist-panel {
    width: calc(100vw - 1.5rem);
    height: min(30rem, calc(100dvh - 6rem));
  }
}