/* ============================================================
   COMPONENTS — Chatbot brutalist (bordes negros, sin radios, verde ácido)
   ============================================================ */

/* Botón flotante */
.fab {
  position: fixed;
  right: 1.5rem; bottom: 1.5rem;
  width: 60px; height: 60px;
  background: var(--accent);
  color: var(--black);
  border: 3px solid var(--black);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1200;
  box-shadow: 4px 4px 0 var(--black);
  transition: transform .25s var(--ease), box-shadow .25s;
}
.fab:hover { transform: translate(-2px, -2px); box-shadow: 6px 6px 0 var(--black); }
.fab.is-hidden { transform: scale(0); opacity: 0; pointer-events: none; }

/* Panel del chat */
.chat {
  position: fixed;
  right: 1.5rem; bottom: 1.5rem;
  width: min(92vw, 380px);
  height: min(76vh, 560px);
  background: var(--white);
  border: 3px solid var(--black);
  box-shadow: 8px 8px 0 var(--black);
  display: flex;
  flex-direction: column;
  z-index: 1300;
  transform: translateY(20px) scale(.96);
  opacity: 0;
  pointer-events: none;
  transition: transform .3s var(--ease), opacity .3s;
}
.chat.is-open { transform: none; opacity: 1; pointer-events: auto; }

/* Header */
.chat__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: .9rem 1rem;
  background: var(--black);
  color: var(--white);
  border-bottom: 3px solid var(--accent);
}
.chat__header-info { display: flex; align-items: center; gap: .7rem; }
.chat__avatar {
  width: 40px; height: 40px;
  object-fit: contain;
  border: 2px solid var(--accent);
  background: var(--black);
}
.chat__name {
  display: block;
  font-family: var(--font-title);
  font-size: 1rem;
  letter-spacing: .04em;
}
.chat__status {
  display: flex;
  align-items: center;
  gap: .4rem;
  font-size: .72rem;
  color: var(--accent);
}
.chat__status i {
  width: 8px; height: 8px;
  background: var(--accent);
  display: inline-block;
  animation: pulse 1.6s ease-in-out infinite;
}
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: .3; } }
.chat__close {
  background: transparent;
  border: none;
  color: var(--white);
  font-size: 1.8rem;
  line-height: 1;
  width: 40px; height: 40px;
  display: flex; align-items: center; justify-content: center;
}
.chat__close:hover { color: var(--accent); }

/* Body */
.chat__body {
  flex: 1;
  overflow-y: auto;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: .7rem;
  background: var(--white);
}

/* Mensajes */
.msg {
  max-width: 82%;
  padding: .7rem .9rem;
  font-size: .9rem;
  line-height: 1.4;
  border: 2px solid var(--black);
  animation: msgin .3s var(--ease);
}
@keyframes msgin { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
.msg--bot {
  align-self: flex-start;
  background: var(--white);
  color: var(--black);
}
.msg--user {
  align-self: flex-end;
  background: var(--accent);
  color: var(--black);
  border-color: var(--black);
}

/* Opciones */
.chat__options {
  display: flex;
  flex-direction: column;
  gap: .5rem;
  align-self: flex-start;
  width: 100%;
}
.chat-opt {
  text-align: left;
  padding: .7rem .9rem;
  background: var(--white);
  border: 2px solid var(--black);
  font-size: .88rem;
  font-weight: 500;
  color: var(--black);
  transition: background-color .2s, color .2s, transform .15s;
}
.chat-opt:hover { background: var(--black); color: var(--white); transform: translateX(3px); }
.chat-opt--wa {
  background: var(--accent);
  border-color: var(--black);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .04em;
  text-align: center;
}
.chat-opt--wa:hover { background: var(--black); color: var(--accent); }

/* Fila de input */
.chat__input-row {
  display: flex;
  gap: .5rem;
  width: 100%;
}
.chat__input {
  flex: 1;
  padding: .7rem .8rem;
  border: 2px solid var(--black);
  font-family: var(--font-body);
  font-size: .9rem;
  background: var(--white);
  color: var(--black);
}
.chat__input:focus { outline: 2px solid var(--accent); outline-offset: -2px; }
.chat__send {
  padding: .7rem 1rem;
  background: var(--black);
  color: var(--white);
  border: 2px solid var(--black);
  font-weight: 700;
  font-size: .82rem;
  text-transform: uppercase;
}
.chat__send:hover { background: var(--accent); color: var(--black); }

/* Footer */
.chat__footer {
  padding: .6rem 1rem;
  border-top: 2px solid var(--black);
  background: var(--white);
}
.chat__home {
  background: transparent;
  border: none;
  color: var(--gray-500);
  font-size: .8rem;
  font-weight: 500;
}
.chat__home:hover { color: var(--black); }

@media (max-width: 480px) {
  .chat {
    right: 0; bottom: 0;
    width: 100vw;
    height: 100svh;
    height: 100vh;
    border: none;
    box-shadow: none;
  }
  .fab { right: 1rem; bottom: 1rem; }
}