/* ==========================================================================
   LEX CANONICA — chat.css · Asistente informativo (sin IA, sin terceros)
   Usa las variables de style.css (--dorado, --fondo, --acento-oscuro…)
   ========================================================================== */
.lc-chat { --lc-top: 96px; --lc-banner: 0px; font-family: var(--font-cuerpo); }

.lc-chat-launcher {
  position: fixed; right: 20px; top: var(--lc-top); z-index: 150;
  display: inline-flex; align-items: center; gap: 10px;
  background: var(--acento-oscuro); color: var(--fondo);
  border: 1px solid var(--dorado); border-radius: 999px;
  padding: 12px 20px 12px 16px; font: 700 0.95rem/1 var(--font-cuerpo);
  cursor: pointer; box-shadow: var(--sombra-calida);
  transition: background .2s, transform .2s, box-shadow .2s;
}
.lc-chat-launcher:hover { background: var(--dorado-oscuro); }
.lc-chat-launcher svg { width: 22px; height: 22px; flex: none; color: var(--dorado-claro); }
.lc-chat-launcher[aria-expanded="true"] { display: none; }

.lc-chat-panel {
  position: fixed; right: 20px; top: var(--lc-top); z-index: 160;
  width: 400px; max-width: calc(100vw - 24px);
  height: min(640px, calc(100vh - var(--lc-top) - var(--lc-banner) - 16px));
  display: none; flex-direction: column;
  background: var(--fondo); color: var(--texto);
  border: 1px solid var(--dorado); border-radius: 8px;
  box-shadow: 0 12px 40px rgba(42,33,24,.28); overflow: hidden;
}
.lc-chat-panel.is-open { display: flex; }

.lc-chat-head {
  display: flex; align-items: center; gap: 10px;
  background: var(--acento-oscuro); color: var(--fondo); padding: 12px 14px;
  border-bottom: 2px solid var(--dorado);
}
.lc-chat-head img { width: 32px; height: 32px; flex: none; }
.lc-chat-title { flex: 1; min-width: 0; }
.lc-chat-title strong { display: block; font: 600 1.2rem/1.1 var(--font-titular); color: var(--fondo); }
.lc-chat-title span { font-size: .75rem; color: var(--dorado-claro); }
.lc-chat-close {
  background: transparent; border: 0; color: var(--fondo); cursor: pointer;
  width: 40px; height: 40px; border-radius: 4px; font-size: 1.5rem; line-height: 1;
}
.lc-chat-close:hover { background: rgba(250,247,240,.14); }
.lc-chat-close:focus-visible, .lc-chat-launcher:focus-visible { outline: 2px solid var(--dorado-claro); outline-offset: 2px; }

.lc-chat-log {
  flex: 1; overflow-y: auto; padding: 14px; display: flex; flex-direction: column; gap: 10px;
  background: var(--fondo); scroll-behavior: smooth; position: relative;
}
.lc-msg { max-width: 92%; font-size: .93rem; line-height: 1.55; }
.lc-msg p { margin: 0 0 .6em; }
.lc-msg p:last-child { margin-bottom: 0; }
.lc-bot { align-self: flex-start; background: var(--blanco); border: 1px solid var(--fondo-alt); border-left: 3px solid var(--dorado); padding: 10px 12px; border-radius: 0 6px 6px 6px; }
.lc-user { align-self: flex-end; background: var(--acento-oscuro); color: var(--fondo); padding: 9px 12px; border-radius: 6px 0 6px 6px; }
.lc-note { align-self: stretch; max-width: 100%; background: var(--fondo-alt); border-radius: 6px; padding: 8px 12px; font-size: .8rem; color: var(--texto-suave); }

.lc-result { border-top: 1px solid var(--fondo-alt); padding-top: .6em; margin-top: .6em; }
.lc-result:first-of-type { border-top: 0; padding-top: 0; margin-top: 0; }
.lc-result h4 { margin: 0 0 .25em; font: 600 1.05rem/1.25 var(--font-titular); color: var(--dorado-oscuro); text-transform: none; }
.lc-result a { color: var(--dorado-oscuro); font-weight: 700; font-size: .85rem; }

.lc-options { display: flex; flex-wrap: wrap; gap: 8px; align-self: stretch; }
.lc-opt {
  background: var(--blanco); color: var(--acento-oscuro);
  border: 1px solid var(--dorado); border-radius: 18px;
  padding: 8px 14px; font: 400 .87rem/1.25 var(--font-cuerpo); cursor: pointer; text-decoration: none;
  min-height: 36px; display: inline-flex; align-items: center; text-align: left;
}
.lc-opt:hover { background: var(--dorado); color: var(--acento-oscuro); }
.lc-opt:focus-visible { outline: 2px solid var(--dorado-oscuro); outline-offset: 2px; }
.lc-opt-link::after { content: " →"; }

.lc-contact { font-style: normal; }
.lc-title { margin: 0 0 .35em; font: 600 1.15rem/1.25 var(--font-titular); color: var(--dorado-oscuro); text-transform: none; }
.lc-more { display: inline-block; margin: .2em 0 .6em; color: var(--dorado-oscuro); font-weight: 700; font-size: .85rem; }
.lc-prompt { color: var(--texto-suave); font-size: .9rem; }
.lc-contact a { color: var(--dorado-oscuro); font-weight: 700; }

.lc-chat-aviso { background: var(--fondo-alt); color: var(--texto-suave); font-size: .74rem; line-height: 1.4; padding: 7px 14px; border-top: 1px solid rgba(139,105,20,.25); }
.lc-chat-aviso a { color: var(--dorado-oscuro); }

.lc-chat-form { display: flex; gap: 8px; padding: 10px 12px; background: var(--blanco); border-top: 1px solid var(--fondo-alt); }
.lc-chat-form input {
  flex: 1; min-width: 0; font: 400 .93rem var(--font-cuerpo); color: var(--texto);
  border: 1px solid var(--texto-suave); border-radius: 4px; padding: 10px 12px; background: var(--blanco);
}
.lc-chat-form button {
  background: var(--acento-oscuro); color: var(--fondo); border: 1px solid var(--acento-oscuro);
  border-radius: 4px; padding: 0 16px; font: 700 .9rem var(--font-cuerpo); cursor: pointer;
}
.lc-chat-form button:hover { background: var(--dorado-oscuro); border-color: var(--dorado-oscuro); }

@media (max-width: 640px) {
  .lc-chat-launcher { right: 12px; padding: 12px 14px; }
  .lc-chat-launcher .lc-launcher-text { display: none; }
  .lc-chat-panel {
    right: 0; left: 0; top: var(--lc-top-flush, 64px); bottom: var(--lc-banner, 0px);
    width: auto; max-width: none; height: auto;
    border-radius: 0 0 12px 12px; border-left: 0; border-right: 0;
  }
  .lc-chat-form input { font-size: 16px; } /* evita el zoom automático en iOS */
  .lc-teaser { right: 12px; max-width: min(260px, calc(100vw - 84px)); }
}
@media (prefers-reduced-motion: reduce) {
  .lc-chat-launcher, .lc-chat-log { transition: none; scroll-behavior: auto; }
  .lc-teaser { animation: none; }
}
@media print { .lc-chat { display: none !important; } }

/* Aviso discreto junto al botón (no se guarda nada: aparece al cargar cada página) */
.lc-teaser {
  position: fixed; right: 20px; top: calc(var(--lc-top) + 58px); z-index: 149; max-width: 280px;
  background: var(--blanco); color: var(--texto); border: 1px solid var(--dorado); border-radius: 8px;
  padding: 10px 34px 10px 14px; font-size: .88rem; line-height: 1.4; box-shadow: var(--sombra-calida);
  animation: lc-pop .35s ease both;
}
.lc-teaser::before {
  content: ""; position: absolute; top: -7px; right: 30px; width: 12px; height: 12px; background: var(--blanco);
  border-left: 1px solid var(--dorado); border-top: 1px solid var(--dorado); transform: rotate(45deg);
}
.lc-teaser button.lc-teaser-open { all: unset; cursor: pointer; display: block; }
.lc-teaser button.lc-teaser-open:focus-visible { outline: 2px solid var(--dorado-oscuro); outline-offset: 3px; }
.lc-teaser .lc-teaser-x {
  position: absolute; top: 4px; right: 4px; width: 28px; height: 28px; border: 0; background: transparent;
  color: var(--texto-suave); font-size: 1.2rem; line-height: 1; cursor: pointer; border-radius: 4px;
}
.lc-teaser .lc-teaser-x:hover { background: var(--fondo-alt); }
@keyframes lc-pop { from { opacity: 0; transform: translateY(-6px); } to { opacity: 1; transform: none; } }
.lc-chat.lc-hidden-by-menu .lc-chat-launcher, .lc-chat.lc-hidden-by-menu .lc-teaser { display: none; }
.lc-chat-launcher[aria-expanded="true"] ~ .lc-teaser { display: none; }