/* ── ask bru: estilos propios de la página del chat ──
   Los colores, tipografías y @keyframes salen de style.css; aquí solo va
   lo que no usa ninguna otra página. */

.chat-wrap {
  width: min(760px, 94vw);
  padding-top: 52px;
}

.chat-card {
  margin-top: 12px;
  padding: 26px 26px 20px;
  text-align: left;
}

/* ── cabecera ── */
.chat-head {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}

.chat-avatar {
  width: 52px;
  height: 52px;
  flex-shrink: 0;
  object-fit: cover;
  border-radius: 50%;
  border: 2px solid var(--bg-2);
  outline: 2px solid var(--military);
  background: var(--bg-3);
}

.chat-head-body { min-width: 0; }

.chat-title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.2;
  color: var(--text);
}

.chat-sub {
  margin-top: 3px;
  color: var(--muted);
  font-size: 0.8rem;
  line-height: 1.45;
}

/* mismo corte diagonal que .eyebrow, en versión pastilla de estado */
.chat-status {
  position: relative;
  isolation: isolate;
  display: flex;
  align-items: center;
  gap: 7px;
  margin-left: auto;
  align-self: flex-start;
  flex-shrink: 0;
  padding: 5px 10px 5px 12px;
  background: var(--border-2);
  clip-path: polygon(7px 0, 100% 0, 100% calc(100% - 7px), calc(100% - 7px) 100%, 0 100%, 0 7px);
  font-family: var(--font-display);
  font-size: 0.62rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.chat-status::before {
  content: "";
  position: absolute;
  inset: 1px;
  z-index: -1;
  background: var(--bg-3);
  clip-path: polygon(6px 0, 100% 0, 100% calc(100% - 6px), calc(100% - 6px) 100%, 0 100%, 0 6px);
}

.chat-status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--border-3);
  animation: blink 1.2s step-end infinite;
}

.chat-status.is-online {
  background: var(--military);
  color: var(--olive);
}

.chat-status.is-online .chat-status-dot {
  background: var(--mil-bright);
  animation: status-pulse 2.4s var(--ease) infinite;
}

.chat-status.is-offline .chat-status-dot {
  background: var(--border-3);
  animation: none;
}

/* ── conversación ── */
.chat-log {
  display: flex;
  flex-direction: column;
  gap: 12px;
  height: min(52vh, 440px);
  margin: 16px 0;
  padding-right: 6px;
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-width: thin;
  scrollbar-color: var(--border-2) transparent;
}

.chat-log::-webkit-scrollbar { width: 6px; }

.chat-log::-webkit-scrollbar-thumb {
  background: var(--border-2);
  border-radius: 999px;
}

.chat-log::-webkit-scrollbar-thumb:hover { background: var(--military); }

.msg {
  max-width: 84%;
  animation: link-in 340ms var(--ease) backwards;
}

.msg-body {
  position: relative;
  padding: 12px 15px;
  overflow-wrap: anywhere;
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: 12px;
  color: var(--sand);
  font-size: 0.88rem;
  line-height: 1.6;
}

/* barra de acento a la izquierda, igual que en los enlaces del home */
.msg-bot .msg-body::before {
  content: "";
  position: absolute;
  left: 0;
  top: 18%;
  bottom: 18%;
  width: 2px;
  border-radius: 2px;
  background: var(--military);
}

.msg-user {
  align-self: flex-end;
}

.msg-user .msg-body {
  background: var(--mil-dim);
  border-color: var(--military);
  color: var(--text);
}

.msg-error .msg-body {
  background: var(--bg-4);
  border-style: dashed;
  border-color: var(--border-3);
}

.msg-error .msg-body::before { background: var(--border-3); }

/* formato ligero de la respuesta: párrafos, listas y código */
.msg-body p + p,
.msg-body ul { margin-top: 8px; }

.msg-body ul {
  margin-left: 17px;
  list-style: square;
}

.msg-body li::marker { color: var(--military); }
.msg-body li + li { margin-top: 3px; }

.msg-body strong { color: var(--text); font-weight: 600; }

.msg-body code {
  padding: 1px 5px;
  background: var(--bg-4);
  border: 1px solid var(--border);
  border-radius: 5px;
  font-size: 0.82em;
  color: var(--olive);
}

/* ── modelo que ha respondido ── */
.msg-provider {
  margin-top: 8px;
  padding-left: 2px;
  font-family: var(--font-display);
  font-size: 0.6rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

/* ── indicador de "pensando" ── */
.msg-typing .msg-body {
  display: flex;
  align-items: center;
  gap: 8px;
}

.typing-dots {
  display: inline-flex;
  gap: 4px;
}

.typing-dots span {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--mil-bright);
  animation: dot-pulse 1.1s var(--ease) infinite;
}

.typing-dots span:nth-child(2) { animation-delay: 160ms; }
.typing-dots span:nth-child(3) { animation-delay: 320ms; }

.typing-label {
  font-family: var(--font-display);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

.chat-send:focus-visible {
  outline: 1px solid var(--mil-bright);
  outline-offset: 2px;
}

/* ── composición ── */
.chat-form {
  display: flex;
  align-items: flex-end;
  gap: 10px;
}

.chat-input {
  flex: 1;
  min-width: 0;
  /* si cambias max-height, cambia MAX_HEIGHT en ask-bru.js */
  min-height: 58px;
  max-height: 160px;
  padding: 14px 15px;
  /* mientras crece no debe verse barra: solo al tocar el maximo (.is-full) */
  overflow-y: hidden;
  background: var(--bg-3);
  border: 1px solid var(--border-2);
  border-radius: 12px;
  color: var(--text);
  font-family: inherit;
  font-size: 0.88rem;
  line-height: 1.5;
  resize: none;
  transition: border-color 180ms ease, background 180ms ease;
}

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

.chat-input.is-full {
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--border-2) transparent;
}

.chat-input.is-full::-webkit-scrollbar { width: 6px; }

.chat-input.is-full::-webkit-scrollbar-thumb {
  background: var(--border-2);
  border-radius: 999px;
}

.chat-input:focus {
  outline: none;
  background: var(--bg-4);
  border-color: var(--military);
}

.chat-send {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  flex-shrink: 0;
  background: var(--bg-3);
  border: 1px solid var(--border-2);
  border-radius: 12px;
  color: var(--text);
  font-size: 1.25rem;
  line-height: 1;
  cursor: pointer;
  transition: background 180ms ease, border-color 180ms ease, color 180ms ease, transform 260ms var(--ease-bounce);
}

.chat-send:hover:not(:disabled) {
  background: var(--mil-dim);
  border-color: var(--military);
  color: var(--mil-bright);
  transform: translateX(3px);
}

.chat-send:disabled,
.chat-input:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

/* ── pie de la tarjeta ── */
.chat-foot {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-top: 10px;
  color: var(--border-2);
  font-size: 0.68rem;
  line-height: 1.5;
}

.chat-note { flex: 1; }

.chat-counter {
  flex-shrink: 0;
  font-family: var(--font-display);
  letter-spacing: 0.06em;
}

.chat-counter.is-near { color: var(--olive); }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

/* ── animaciones propias ── */
@keyframes dot-pulse {
  0%, 60%, 100% { opacity: 0.25; transform: translateY(0); }
  30%           { opacity: 1;    transform: translateY(-3px); }
}

@keyframes status-pulse {
  0%, 100% { opacity: 1; }
  50%      { opacity: 0.35; }
}

/* ── responsive ── */
@media (max-width: 520px) {
  .chat-wrap { padding-top: 26px; }
  .chat-card { padding: 18px 14px 14px; }

  .chat-head {
    flex-wrap: wrap;
    gap: 10px;
  }
  .chat-avatar { width: 44px; height: 44px; }
  .chat-title { font-size: 1.12rem; }
  .chat-status { order: 3; margin-left: 0; }

  .chat-log { height: min(56vh, 380px); }
  .msg { max-width: 92%; }
}