/* ═══════════════════════════════════════════════════════════
   YACHAY LAB — VOICE CSS (voice.css)
   Estilos del reconocimiento y síntesis de voz
═══════════════════════════════════════════════════════════ */

/* ── ÁREA DE INPUT CON VOZ ──────────────────────────────── */
.chat-input-wrap {
  display: flex;
  flex-direction: column;
  gap: 6px;
  background: var(--surface, #fff);
  border: 1.5px solid var(--border2, #cdd3ec);
  border-radius: 14px;
  padding: 10px 12px;
  flex-shrink: 0;
  transition:
    border-color 0.2s,
    box-shadow 0.2s;
}
.chat-input-wrap:focus-within {
  border-color: var(--p, #5a5fe0);
  box-shadow: 0 0 0 3px rgba(90, 95, 224, 0.1);
}

.chat-input-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ── BOTÓN DE MICRÓFONO ─────────────────────────────────── */
.chat-voice-btn {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--surface2, #f0f2fa);
  border: 1.5px solid var(--border, #e4e8f5);
  color: var(--t3, #8892b0);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all 0.2s cubic-bezier(0.34, 1.56, 0.64, 1);
  position: relative;
  overflow: hidden;
}

.chat-voice-btn::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(
    circle,
    rgba(90, 95, 224, 0.15) 0%,
    transparent 70%
  );
  opacity: 0;
  transition: opacity 0.2s;
}

.chat-voice-btn:hover {
  background: var(--p-lt, #eeeffe);
  border-color: var(--p, #5a5fe0);
  color: var(--p, #5a5fe0);
  transform: scale(1.08);
}

.chat-voice-btn:hover::before {
  opacity: 1;
}

/* Estado activo — escuchando */
.chat-voice-btn.voice-active {
  background: linear-gradient(135deg, #ef4444, #f59e0b);
  border-color: transparent;
  color: #fff;
  box-shadow:
    0 0 0 4px rgba(239, 68, 68, 0.15),
    0 4px 14px rgba(239, 68, 68, 0.35);
  animation: micPulse 1.5s ease-in-out infinite;
}

@keyframes micPulse {
  0%,
  100% {
    box-shadow:
      0 0 0 4px rgba(239, 68, 68, 0.15),
      0 4px 14px rgba(239, 68, 68, 0.35);
  }
  50% {
    box-shadow:
      0 0 0 8px rgba(239, 68, 68, 0.08),
      0 6px 20px rgba(239, 68, 68, 0.45);
  }
}

/* ── BARRA DE ONDAS (cuando escucha) ───────────────────── */
.voice-wave-bar {
  display: none;
  align-items: center;
  gap: 10px;
  padding: 6px 4px;
  animation: waveIn 0.25s ease;
}

@keyframes waveIn {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.vw-dots {
  display: flex;
  align-items: center;
  gap: 3px;
  height: 28px;
}

.vw-dots span {
  display: block;
  width: 4px;
  height: 8px;
  border-radius: 4px;
  background: linear-gradient(180deg, #ef4444, #f59e0b);
  animation: waveBar 0.8s ease-in-out infinite alternate;
  transition: height 0.12s ease;
}

.vw-dots span:nth-child(1) {
  animation-delay: 0s;
}
.vw-dots span:nth-child(2) {
  animation-delay: 0.08s;
}
.vw-dots span:nth-child(3) {
  animation-delay: 0.16s;
}
.vw-dots span:nth-child(4) {
  animation-delay: 0.24s;
}
.vw-dots span:nth-child(5) {
  animation-delay: 0.32s;
}
.vw-dots span:nth-child(6) {
  animation-delay: 0.24s;
}
.vw-dots span:nth-child(7) {
  animation-delay: 0.16s;
}
.vw-dots span:nth-child(8) {
  animation-delay: 0.08s;
}
.vw-dots span:nth-child(9) {
  animation-delay: 0.04s;
}
.vw-dots span:nth-child(10) {
  animation-delay: 0s;
}

@keyframes waveBar {
  0% {
    transform: scaleY(0.3);
    opacity: 0.5;
  }
  100% {
    transform: scaleY(1.8);
    opacity: 1;
  }
}

.vw-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--t2, #3d4566);
  flex: 1;
  animation: labelPulse 2s ease-in-out infinite;
}

@keyframes labelPulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.6;
  }
}

.vw-cancel {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--surface2, #f0f2fa);
  border: 1.5px solid var(--border, #e4e8f5);
  color: var(--t3, #8892b0);
  font-size: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.15s;
  flex-shrink: 0;
}
.vw-cancel:hover {
  background: var(--red-lt, #fdeaea);
  border-color: var(--red, #e84545);
  color: var(--red, #e84545);
}

/* ── TRANSCRIPCIÓN EN TIEMPO REAL ──────────────────────── */
.voice-transcript {
  display: none;
  font-size: 13px;
  color: var(--t2, #3d4566);
  background: rgba(90, 95, 224, 0.06);
  border: 1px dashed rgba(90, 95, 224, 0.25);
  border-radius: 8px;
  padding: 8px 12px;
  margin-top: 4px;
  font-style: italic;
  line-height: 1.5;
  animation: fadeIn 0.2s ease;
  position: relative;
}

.voice-transcript::before {
  content: "🎤";
  margin-right: 6px;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ── AVATAR HABLANDO (síntesis) ─────────────────────────── */
.tutor-avatar.avatar-speaking {
  animation: avatarSpeak 0.4s ease-in-out infinite alternate;
  box-shadow:
    0 0 0 4px rgba(90, 95, 224, 0.2),
    0 0 20px rgba(90, 95, 224, 0.3);
}

@keyframes avatarSpeak {
  0% {
    transform: scale(1);
  }
  100% {
    transform: scale(1.06);
  }
}

/* ── CONTROL DE VOZ POR MENSAJE ─────────────────────────── */
.msg-voice-ctrl {
  display: flex;
  justify-content: flex-start;
  margin-top: 4px;
  padding-left: 2px;
}

.mvc-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: var(--surface2, #f0f2fa);
  border: 1.5px solid var(--border, #e4e8f5);
  border-radius: 20px;
  padding: 4px 12px;
  font-size: 11.5px;
  font-weight: 600;
  color: var(--t3, #8892b0);
  cursor: pointer;
  transition: all 0.15s;
}

.mvc-btn:hover {
  background: var(--p-lt, #eeeffe);
  border-color: var(--p, #5a5fe0);
  color: var(--p, #5a5fe0);
}

/* Cuando está reproduciendo */
.mvc-btn.speaking {
  background: linear-gradient(
    135deg,
    rgba(90, 95, 224, 0.1),
    rgba(128, 86, 214, 0.1)
  );
  border-color: var(--p, #5a5fe0);
  color: var(--p, #5a5fe0);
  animation: speakBtnPulse 1.5s ease-in-out infinite;
}

@keyframes speakBtnPulse {
  0%,
  100% {
    box-shadow: 0 0 0 0 rgba(90, 95, 224, 0.2);
  }
  50% {
    box-shadow: 0 0 0 4px rgba(90, 95, 224, 0.08);
  }
}

/* Mostrar ícono correcto según estado */
.mvc-btn .mvc-stop {
  display: none;
}
.mvc-btn.speaking .mvc-play {
  display: none;
}
.mvc-btn.speaking .mvc-stop {
  display: block;
}
.mvc-btn.speaking .mvc-lbl {
  content: "Detener";
}

/* ── INDICADOR GLOBAL (esquina superior) ──────────────────*/
.voice-indicator {
  position: fixed;
  top: 14px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2000;
  background: #0a0e1a;
  border: 1.5px solid rgba(239, 68, 68, 0.4);
  border-radius: 30px;
  padding: 8px 18px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  font-weight: 600;
  color: #fff;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
  animation: indicatorIn 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes indicatorIn {
  from {
    transform: translateX(-50%) translateY(-20px);
    opacity: 0;
  }
  to {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
  }
}

.vi-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #ef4444;
  animation: viDotPulse 1s ease-in-out infinite;
}

@keyframes viDotPulse {
  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.5;
    transform: scale(0.7);
  }
}

/* ── TOAST VARIANTES ──────────────────────────────────────*/
.toast-info {
  border-left: 4px solid var(--p, #5a5fe0) !important;
}
.toast-error {
  border-left: 4px solid var(--red, #e84545) !important;
}
.toast-success {
  border-left: 4px solid var(--grn, #0ea876) !important;
}

/* ── RESPONSIVE ───────────────────────────────────────────*/
@media (max-width: 600px) {
  .chat-voice-btn {
    width: 40px;
    height: 40px;
  }
  .vw-dots span {
    width: 3px;
  }
}