/* ═══════════════════════════════════════════════════════════════════════════════
   chat.css — Interfaz de chat para asistentes virtuales
   THE ROCK · ELLEVA · Luxy.lat
   Cinzel + Outfit · Midnight platinum · Investment × Tech
   ═══════════════════════════════════════════════════════════════════════════════ */

/* ── Tokens ────────────────────────────────────────────────────────────────── */
:root {
  --bg: #07091A;
  --bg-raised: #0D1025;
  --surface: rgba(160,180,220,0.03);
  --surface-hi: rgba(160,180,220,0.06);
  --border: rgba(160,175,210,0.10);
  --border-hi: rgba(160,175,210,0.22);
  --accent: #C9A04F;
  --accent-light: #DEBB6A;
  --accent-dim: rgba(201,160,79,0.07);
  --accent-glow: rgba(201,160,79,0.12);
  --text: #E4E8F2;
  --text-2: rgba(228,232,242,0.55);
  --text-3: rgba(228,232,242,0.25);
  --green: #34D399;
  --amber: #F59E0B;

  /* Aliases para compatibilidad con chat.js */
  --wd: var(--text-2);
  --wf: var(--text-3);

  /* Tipografía */
  --font-serif: 'Cinzel', Georgia, 'Times New Roman', serif;
  --font-sans: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --font-mono: 'SF Mono', 'Cascadia Code', Consolas, Monaco, monospace;

  /* Áreas seguras */
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-bot: env(safe-area-inset-bottom, 0px);
}

/* ── Reset ─────────────────────────────────────────────────────────────────── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html { background: var(--bg); }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  overflow: hidden;
  height: 100dvh;
  min-height: 0; /* anular min-height:100vh de style.css */
  overscroll-behavior: none;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Skip to content — accesibilidad */
.skip-to-content {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 9999;
  padding: 8px 16px;
  background: var(--accent);
  color: var(--bg);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  text-decoration: none;
}
.skip-to-content:focus {
  left: 8px;
  top: 8px;
}

/* Noise texture — muy sutil */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9000;
  opacity: .06;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.05'/%3E%3C/svg%3E");
}

/* Scrollbar personalizado */
::-webkit-scrollbar { width: 3px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(201,160,79,0.15); border-radius: 2px; }

/* Selection */
::selection { background: rgba(201,160,79,0.2); color: var(--text); }

/* ── App Shell ─────────────────────────────────────────────────────────────── */
/* #app necesario para ganar especificidad vs #app{display:none} de style.css (admin) */
#app.app {
  display: flex;
  flex-direction: column;
  height: calc(100dvh - 60px); /* descontar altura del nav fixed */
  margin-top: 60px; /* espacio para el nav fixed */
  position: relative;
  z-index: 1;
}
@media (max-width: 1300px) {
  #app.app { height: calc(100dvh - 48px); margin-top: 48px; }
}

/* ── Progress bar (debajo del nav) ─────────────────────────────────────────── */
.chat-progress-bar {
  position: relative;
  height: 0;
  flex-shrink: 0;
}
.chat-progress {
  position: absolute;
  top: 0;
  left: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  width: 0;
  opacity: 0;
  transition: opacity .3s;
  z-index: 11;
}
.app.thinking .chat-progress {
  opacity: 1;
  animation: progressSlide 2.5s ease-in-out infinite;
}
@keyframes progressSlide {
  0%   { width: 0; left: 0; }
  50%  { width: 60%; left: 20%; }
  100% { width: 0; left: 100%; }
}

/* Status + mute arriba de la identity */
.chat-id-top {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 12px;
}

.chat-status {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 8px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--text-3);
}

.sdot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--green);
  flex-shrink: 0;
}

.mute-btn {
  background: none;
  border: 1px solid var(--border);
  color: var(--accent-light);
  font-size: 13px;
  width: 34px;
  height: 34px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all .25s;
}
.mute-btn:hover { border-color: var(--accent); }

/* ── Identity ──────────────────────────────────────────────────────────────── */
.chat-identity {
  flex-shrink: 0;
  text-align: center;
  padding: 24px 24px 20px;
  position: relative;
}
/* Glow ambiental gold */
.chat-identity::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 300px;
  height: 200px;
  background: radial-gradient(ellipse, rgba(201,160,79,0.04) 0%, transparent 70%);
  pointer-events: none;
  z-index: -1;
}

/* Separador inferior gold */
.chat-identity::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 32px;
  right: 32px;
  height: 1px;
  background: linear-gradient(to right, transparent, rgba(201,160,79,0.2), transparent);
}

.chat-eyebrow {
  font-family: var(--font-mono);
  font-size: 8px;
  letter-spacing: .5em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 8px;
}

.chat-name {
  font-family: var(--font-serif);
  font-size: 28px;
  font-weight: normal;
  letter-spacing: .08em;
  color: var(--text);
  line-height: 1.1;
  margin-bottom: 4px;
}

.chat-role {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--text-3);
}

.chat-advisor-btn {
  display: none;
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--text-2);
  background: none;
  border: 1px solid var(--border);
  padding: 10px 24px;
  cursor: pointer;
  transition: all .25s;
}
.chat-advisor-btn:hover {
  border-color: var(--accent);
  color: var(--accent-light);
}

/* Audio zone: botón y waveform en fila, centrados */
.audio-zone {
  margin-top: 16px;
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
  gap: 14px;
  height: 48px;
}

/* Botón global play/stop/loading */
.audio-ctrl {
  display: none; /* JS lo muestra */
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  border-radius: 50%;
  border: 2px solid var(--accent);
  background: none;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  transition: all .25s;
  color: var(--accent-light);
}
.audio-ctrl:hover { background: var(--accent-dim); }
.audio-ctrl:active { background: var(--accent); color: var(--bg); }

.ac-icon { width: 20px; height: 20px; fill: currentColor; display: none; }
.ac-play .ac-icon { margin-left: 2px; } /* compensar óptico del triángulo */

/* Estados del botón: clases .loading / .ready / .playing */
.audio-ctrl.loading { display: flex; border-color: var(--border-hi); cursor: default; }
.audio-ctrl.loading .ac-load { display: block; animation: acSpin 1s linear infinite; }
.audio-ctrl.loading:hover { background: none; }

.audio-ctrl.ready { display: flex; }
.audio-ctrl.ready .ac-play { display: block; }

.audio-ctrl.playing { display: flex; border-color: var(--text-2); }
.audio-ctrl.playing .ac-stop { display: block; }
.audio-ctrl.playing:hover { background: rgba(255,255,255,0.06); }

@keyframes acSpin {
  to { transform: rotate(360deg); }
}

/* Waveform — resetear estilos de style.css, solo visible cuando playing */
.audio-zone .waveform {
  display: none;
  position: static;
  transform: none;
  align-items: center;
  gap: 3px;
  height: 24px;
  opacity: 1;
  pointer-events: auto;
  z-index: auto;
}
/* Anular .app.speaking .waveform de style.css */
.app.speaking .audio-zone .waveform { display: none; opacity: 1; }
/* Solo mostrar cuando el botón está en playing */
.audio-zone:has(.audio-ctrl.playing) .waveform {
  display: flex;
}
/* Anular animaciones de .app.speaking .wbar de style.css */
.audio-zone .wbar { animation: none; }

.audio-zone .wbar {
  width: 2px;
  border-radius: 1px;
  background: var(--accent-light);
  height: 3px;
  transition: height .15s;
}

.audio-zone:has(.audio-ctrl.playing) .wbar:nth-child(1) { animation: wv 1s ease-in-out -.8s infinite; }
.audio-zone:has(.audio-ctrl.playing) .wbar:nth-child(2) { animation: wv 1s ease-in-out -.6s infinite; }
.audio-zone:has(.audio-ctrl.playing) .wbar:nth-child(3) { animation: wv 1s ease-in-out -.4s infinite; }
.audio-zone:has(.audio-ctrl.playing) .wbar:nth-child(4) { animation: wv 1s ease-in-out -.2s infinite; }
.audio-zone:has(.audio-ctrl.playing) .wbar:nth-child(5) { animation: wv 1s ease-in-out -.5s infinite; }
.audio-zone:has(.audio-ctrl.playing) .wbar:nth-child(6) { animation: wv 1s ease-in-out -.3s infinite; }
.audio-zone:has(.audio-ctrl.playing) .wbar:nth-child(7) { animation: wv 1s ease-in-out -.7s infinite; }
.audio-zone:has(.audio-ctrl.playing) .wbar:nth-child(8) { animation: wv 1s ease-in-out -.1s infinite; }
.audio-zone:has(.audio-ctrl.playing) .wbar:nth-child(9) { animation: wv 1s ease-in-out -.45s infinite; }

@keyframes wv {
  0%, 100% { height: 3px; opacity: .25; }
  50%      { height: 32px; opacity: 1; }
}

/* ── Chat Area (scrollable) ────────────────────────────────────────────────── */
.chat-body {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 28px 20px 16px;
  gap: 22px;
}

/* ── State Block ───────────────────────────────────────────────────────────── */
.state-block {
  text-align: center;
  width: 100%;
  max-width: 520px;
}

.state-main {
  font-family: var(--font-serif);
  font-size: 24px;
  font-weight: normal;
  font-style: italic;
  letter-spacing: .03em;
  color: var(--text);
  line-height: 1.5;
  margin-bottom: 8px;
  transition: color .35s;
}

.state-sub {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .25em;
  text-transform: uppercase;
  color: var(--text-3);
}

.app.thinking .state-main { color: var(--text-2); font-style: normal; }
.app.speaking .state-main { color: var(--accent-light); font-style: normal; }

/* Thinking dots */
.thinking-dots {
  display: none;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-top: 16px;
}
.app.thinking .thinking-dots { display: flex; }

.tdot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
  animation: tb 1.8s ease-in-out infinite;
}
.tdot:nth-child(2) { animation-delay: .25s; }
.tdot:nth-child(3) { animation-delay: .5s; }

@keyframes tb {
  0%, 60%, 100% { transform: translateY(0); opacity: .2; }
  30%           { transform: translateY(-12px); opacity: 1; }
}

/* Estado de pensamiento — texto rotativo animado */
.app.thinking .state-sub {
  animation: thinkingRotate 6s linear infinite;
}
@keyframes thinkingRotate {
  0%, 100% { content: 'Procesando...'; }
}

/* ── Mensajes de chat ──────────────────────────────────────────────────────── */
.msg {
  width: 100%;
  max-width: 520px;
  padding: 14px 20px;
  animation: msgIn .3s ease-out;
}
@keyframes msgIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.msg-user {
  background: var(--surface);
  border-left: 2px solid var(--text-3);
}

.msg-assistant {
  background: var(--surface);
  border-left: 2px solid rgba(201,160,79,0.2);
}

.msg-label {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: .3em;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.msg-user .msg-label { color: var(--text-3); }
.msg-assistant .msg-label { color: var(--accent); }

.msg-text {
  font-size: 15px;
  line-height: 1.8;
}
.msg-user .msg-text {
  font-family: var(--font-sans);
  color: var(--text-2);
}
.msg-assistant .msg-text {
  font-family: var(--font-serif);
  color: var(--text);
  opacity: .85;
  font-size: 16px;
  line-height: 1.85;
}

/* ── Footer (chips + input, siempre visible abajo) ─────────────────────────── */
.chat-footer {
  flex-shrink: 0;
  border-top: 1px solid var(--border);
  background: var(--bg-raised);
  padding-bottom: var(--safe-bot);
}

/* Quick Chips */
.quick-wrap {
  padding: 14px 20px 0;
}

.quick {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
}

.q-chip {
  font-family: var(--font-sans);
  font-size: 13px;
  color: var(--text-2);
  background: var(--surface-hi);
  border: 1px solid var(--border);
  padding: 8px 16px;
  cursor: pointer;
  transition: all .25s;
  white-space: nowrap;
  display: flex;
  align-items: center;
}
.q-chip:hover,
.q-chip:active {
  border-color: var(--accent);
  color: var(--accent-light);
  background: var(--accent-dim);
}

/* Input Row */
.input-row {
  display: flex;
  align-items: flex-end;
  gap: 10px;
  padding: 12px 20px 14px;
}

#txt {
  flex: 1;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 16px; /* previene zoom en iOS */
  padding: 12px 14px;
  resize: none;
  outline: none;
  min-height: 48px;
  max-height: 120px;
  transition: border-color .25s, box-shadow .25s;
  line-height: 1.5;
  -webkit-appearance: none;
  border-radius: 0;
}
#txt:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px rgba(201,160,79,0.08), 0 4px 24px rgba(201,160,79,0.06);
}
#txt::placeholder {
  color: var(--text-2);
  font-size: 14px;
}

/* Pulse sutil en idle para llamar la atención al input */
.app.idle #txt {
  animation: inputPulse 3s ease-in-out infinite;
}
.app.idle #txt:focus {
  animation: none;
}
@keyframes inputPulse {
  0%, 100% { border-color: var(--border); }
  50%      { border-color: var(--border-hi); }
}

.send {
  width: 48px;
  height: 48px;
  background: var(--accent);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all .2s;
  flex-shrink: 0;
  -webkit-appearance: none;
}
.send:hover { background: var(--accent-light); }
.send:active { background: var(--accent-light); transform: scale(.96); }
.send:disabled { background: rgba(255,255,255,0.05); cursor: not-allowed; }
.send svg { width: 16px; height: 16px; fill: var(--bg); transition: fill .2s; }
.send:disabled svg { fill: var(--text-3); }

/* ── Modal ─────────────────────────────────────────────────────────────────── */
.overlay {
  position: fixed;
  inset: 0;
  background: rgba(5,5,7,0.88);
  z-index: 200;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  opacity: 0;
  pointer-events: none;
  transition: opacity .3s;
}
.overlay.open { opacity: 1; pointer-events: all; }

.modal {
  position: relative;
  background: var(--bg);
  border: 1px solid var(--border);
  width: 100%;
  max-width: 500px;
  max-height: 92dvh;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  padding: 32px 24px;
  padding-bottom: calc(32px + var(--safe-bot));
  transform: translateY(24px);
  transition: transform .35s cubic-bezier(0.16, 1, 0.3, 1);
}
.overlay.open .modal { transform: translateY(0); }

.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 36px;
  height: 36px;
  background: none;
  border: none;
  color: var(--text-3);
  font-size: 18px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color .2s;
}
.modal-close:hover { color: var(--text); }

.modal-label {
  font-family: var(--font-mono);
  font-size: 8px;
  letter-spacing: .5em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 10px;
}

.modal-title {
  font-family: var(--font-serif);
  font-size: 24px;
  font-weight: normal;
  letter-spacing: .05em;
  margin-bottom: 6px;
}

.modal-sub {
  font-size: 12px;
  color: var(--text-2);
  margin-bottom: 28px;
  line-height: 1.7;
}

.frow {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.fg {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 14px;
}

.flabel {
  font-family: var(--font-mono);
  font-size: 8px;
  letter-spacing: .3em;
  text-transform: uppercase;
  color: var(--text-2);
}

.finput, .fselect {
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--border);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 16px;
  padding: 10px 0;
  outline: none;
  transition: border-color .25s;
  width: 100%;
  -webkit-appearance: none;
  border-radius: 0;
}
.finput:focus, .fselect:focus { border-color: var(--accent); }
.fselect { cursor: pointer; }
.fselect option { background: var(--bg); color: var(--text); }

.mactions {
  display: flex;
  gap: 10px;
  margin-top: 24px;
}

.btn-primary {
  flex: 1;
  background: none;
  border: 1px solid var(--accent);
  color: var(--accent-light);
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 700;
  padding: 16px;
  cursor: pointer;
  letter-spacing: .2em;
  text-transform: uppercase;
  transition: all .25s;
  min-height: 50px;
}
.btn-primary:hover { background: var(--accent-dim); }
.btn-primary:active { background: var(--accent); color: var(--bg); }

.btn-ghost-sm {
  padding: 16px;
  background: none;
  border: 1px solid var(--border);
  color: var(--text-3);
  font-family: var(--font-mono);
  font-size: 9px;
  cursor: pointer;
  transition: all .25s;
  letter-spacing: .1em;
  min-height: 50px;
}
.btn-ghost-sm:hover { border-color: var(--border-hi); color: var(--text-2); }

/* Modal éxito */
.msuccess { text-align: center; padding: 24px 0; }
.msuccess-icon {
  font-size: 32px;
  margin-bottom: 16px;
  color: var(--accent);
}
.msuccess-title {
  font-family: var(--font-serif);
  font-size: 24px;
  font-weight: normal;
  letter-spacing: .05em;
  margin-bottom: 10px;
}
.msuccess-txt {
  font-size: 12px;
  color: var(--text-2);
  line-height: 1.8;
}

/* Focus visible — accesibilidad */
:focus-visible {
  outline: 1px solid var(--accent);
  outline-offset: 2px;
}
button:focus-visible, .q-chip:focus-visible, .finput:focus-visible, .fselect:focus-visible {
  outline: 1px solid var(--accent);
  outline-offset: 2px;
}
#txt:focus-visible { outline: none; } /* Ya tiene su propio focus style */

/* ── State Animations ──────────────────────────────────────────────────────── */
.app.idle     .sdot { animation: sdp 2.5s ease-in-out infinite; background: var(--green); }
.app.thinking .sdot { animation: sdp .8s  ease-in-out infinite; background: var(--amber); }
.app.speaking .sdot { animation: sdp .4s  ease-in-out infinite; background: var(--accent-light); }

@keyframes sdp {
  0%, 100% { opacity: 1; }
  50%      { opacity: .1; }
}

/* ═══════════════════════════════════════════════════════════════════════════════
   DESKTOP (>= 641px)
   ═══════════════════════════════════════════════════════════════════════════════ */
@media (min-width: 641px) {
  .chat-identity { padding: 28px 36px 24px; }
  .chat-name { font-size: 36px; }
  .chat-advisor-btn { display: inline-block; }
  .chat-identity::after { left: 48px; right: 48px; }
  .chat-body { padding: 28px 48px 20px; gap: 20px; }
  .state-main { font-size: 26px; }
  #txt { font-size: 15px; }
  .msg, .state-block { max-width: 560px; }

  /* Footer centrado */
  .chat-footer { display: flex; flex-direction: column; align-items: center; }
  .quick-wrap { max-width: 600px; }
  .input-row { max-width: 600px; width: 100%; padding: 12px 24px 16px; }
  .quick { justify-content: center; }

  /* Modal centrado */
  .overlay { align-items: center; padding: 24px; }
  .modal { max-height: 88vh; }
}

@media (min-width: 1024px) {
  .chat-identity { padding: 36px 48px 28px; }
  .chat-name { font-size: 52px; letter-spacing: .12em; }
  .chat-body { padding: 32px 80px 24px; }
  .msg, .state-block { max-width: 620px; }
  .quick-wrap { max-width: 660px; }
  .input-row { max-width: 660px; padding: 14px 32px 18px; }
}

/* ═══════════════════════════════════════════════════════════════════════════════
   MEJORAS VISUALES v1.1 (2026-03)
   ═══════════════════════════════════════════════════════════════════════════════ */

/* ── Hero mobile: glow difuso orgánico ──────────────────────────────────── */
.chat-identity::before {
  width: 400px;
  height: 300px;
  background:
    radial-gradient(ellipse 60% 40% at 50% 40%, rgba(201,160,79,0.05) 0%, transparent 70%),
    radial-gradient(ellipse 80% 50% at 30% 60%, rgba(201,160,79,0.03) 0%, transparent 60%),
    radial-gradient(ellipse 70% 45% at 70% 35%, rgba(201,160,79,0.03) 0%, transparent 65%);
}

/* ── Chips: 2 filas en desktop ──────────────────────────────────────────── */
@media (min-width: 641px) {
  .quick {
    max-width: 600px;
    flex-wrap: wrap;
    justify-content: center;
  }
}

/* ── Hero mobile: identity ocupa pantalla completa ────────────────────── */
@media (max-width: 640px) {
  .app.idle .chat-identity {
    min-height: calc(60dvh - 48px);
    display: flex;
    flex-direction: column;
    justify-content: center;
  }
}

/* ── Avatar asistente: borde gold fino en desktop ─────────────────────── */
@media (min-width: 641px) {
  .chat-name {
    text-shadow: 0 2px 20px rgba(201,160,79,0.10);
  }
  .chat-identity::before {
    filter: blur(40px);
  }
}