/* ===== VozClara — sistema de diseño =====
   Paleta: gris-azulado frío de fondo, tinta azul-noche, teal como marca,
   ámbar como acción de "hablar" (energía, no el terracota genérico).
   Tipografía: Fraunces (voz/carácter, uso comedido) + Manrope (UI, muy legible). */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,400;9..144,600;9..144,700&family=Manrope:wght@500;600;700;800&display=swap');

:root {
  --bg: #F3F6F7;
  --surface: #FFFFFF;
  --surface-alt: #E8EDEE;
  --ink: #142235;
  --ink-soft: #55677C;
  --teal: #256B65;
  --teal-dark: #1B4F4B;
  --amber: #E2861A;
  --amber-dark: #B96A0F;
  --coral: #C24545;
  --ring: rgba(37, 107, 101, 0.35);
  --radius: 20px;
  --radius-sm: 12px;
  --shadow: 0 8px 24px rgba(20, 34, 53, 0.08);
  --font-display: 'Fraunces', serif;
  --font-ui: 'Manrope', sans-serif;
}

[data-tema="oscuro"] {
  --bg: #0E1720;
  --surface: #16222E;
  --surface-alt: #1E2C3A;
  --ink: #EDF2F5;
  --ink-soft: #9FB0BF;
  --shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-ui);
  min-height: 100vh;
  padding-bottom: 84px;
  transition: background .25s ease, color .25s ease;
}

a { color: inherit; }

.contenedor {
  max-width: 480px;
  margin: 0 auto;
  padding: 20px 18px 8px;
}

.contenedor-chat {
  padding-bottom: 148px; /* deja lugar a la barra fija + nav */
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Encabezado */
.encabezado {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
}

.acciones-encabezado {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.marca {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.5rem;
  letter-spacing: -0.01em;
}

.marca span { color: var(--teal); }

.btn-icono {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: none;
  background: var(--surface);
  box-shadow: var(--shadow);
  display: grid;
  place-items: center;
  font-size: 1.15rem;
  cursor: pointer;
}

/* Escenario del micrófono con anillo de onda */
.escenario {
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 28px 20px 22px;
  text-align: center;
  margin-bottom: 16px;
}

.anillo-wrap {
  position: relative;
  width: 200px;
  height: 200px;
  margin: 4px auto 14px;
}

#onda {
  width: 200px;
  height: 200px;
  display: block;
}

.boton-mic {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 104px;
  height: 104px;
  border-radius: 50%;
  border: none;
  cursor: pointer;
  background: linear-gradient(160deg, var(--amber), var(--amber-dark));
  color: #fff;
  font-size: 2.1rem;
  display: grid;
  place-items: center;
  box-shadow: 0 6px 18px rgba(226, 134, 26, 0.45);
  transition: transform .15s ease, box-shadow .15s ease;
}

.boton-mic:active { transform: translate(-50%, -50%) scale(0.94); }

.boton-mic.escuchando {
  background: linear-gradient(160deg, var(--coral), #8E2E2E);
  box-shadow: 0 6px 18px rgba(194, 69, 69, 0.5);
}

.estado {
  font-size: 0.92rem;
  color: var(--ink-soft);
  font-weight: 600;
  min-height: 20px;
}

.transcripcion {
  font-family: var(--font-display);
  font-size: 1.4rem;
  line-height: 1.35;
  min-height: 64px;
  padding: 14px 4px 4px;
  color: var(--ink);
}

.transcripcion:empty::before {
  content: 'Tocá el micrófono y susurrá tu mensaje…';
  color: var(--ink-soft);
  font-family: var(--font-ui);
  font-size: 1rem;
  font-weight: 500;
}

.acciones {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-top: 16px;
}

.accion {
  border: none;
  border-radius: var(--radius-sm);
  padding: 12px 6px;
  background: var(--surface-alt);
  color: var(--ink);
  font-family: var(--font-ui);
  font-weight: 700;
  font-size: 0.82rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  cursor: pointer;
}

.accion .icono { font-size: 1.25rem; }

.accion.principal { background: var(--teal); color: #fff; }
.accion.whatsapp { background: #25D366; color: #fff; }

.accion:disabled { opacity: 0.45; cursor: not-allowed; }

/* ===== Modo conversación (hilo de chat) ===== */
.hilo-chat {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 4px 2px 10px;
  min-height: 30vh;
}

.vacio-chat {
  margin: auto;
  text-align: center;
  color: var(--ink-soft);
  font-size: 0.95rem;
  max-width: 260px;
  padding: 24px 10px;
}

.burbuja {
  align-self: flex-end;
  max-width: 82%;
  background: linear-gradient(160deg, var(--teal), var(--teal-dark));
  color: #fff;
  border-radius: 18px 18px 4px 18px;
  padding: 10px 14px 8px;
  box-shadow: var(--shadow);
  animation: aparecer .2s ease-out;
}

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

.burbuja-texto {
  font-family: var(--font-display);
  font-size: 1.08rem;
  line-height: 1.35;
}

.burbuja-pie {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 6px;
  opacity: 0.9;
}

.burbuja-hora {
  font-size: 0.72rem;
  margin-right: auto;
  opacity: 0.85;
}

.btn-burbuja {
  border: none;
  background: rgba(255,255,255,0.18);
  color: #fff;
  border-radius: 50%;
  width: 26px;
  height: 26px;
  font-size: 0.82rem;
  cursor: pointer;
  display: grid;
  place-items: center;
}

.estado-mini {
  text-align: center;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--ink-soft);
  min-height: 18px;
  margin-bottom: 4px;
}

.barra-compositor {
  position: fixed;
  left: 0; right: 0;
  bottom: 64px; /* justo arriba del nav inferior */
  max-width: 480px;
  margin: 0 auto;
  background: var(--surface);
  border-radius: var(--radius) var(--radius) 0 0;
  box-shadow: 0 -4px 16px rgba(20,34,53,0.10);
  padding: 10px 10px calc(10px + env(safe-area-inset-bottom));
  display: flex;
  align-items: flex-end;
  gap: 8px;
  z-index: 15;
}

.mic-mini-wrap {
  position: relative;
  width: 52px;
  height: 52px;
  flex: 0 0 auto;
}

#onda { width: 52px; height: 52px; display: block; }

.btn-mic-mini {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: none;
  cursor: pointer;
  background: linear-gradient(160deg, var(--amber), var(--amber-dark));
  color: #fff;
  font-size: 1.15rem;
  display: grid;
  place-items: center;
  box-shadow: 0 4px 12px rgba(226, 134, 26, 0.45);
}

.btn-mic-mini.escuchando {
  background: linear-gradient(160deg, var(--coral), #8E2E2E);
}

.compositor-campo {
  flex: 1;
  border: 1px solid var(--surface-alt);
  background: var(--bg);
  color: var(--ink);
  border-radius: 22px;
  padding: 12px 16px;
  font-family: var(--font-ui);
  font-size: 0.95rem;
  line-height: 1.35;
  min-width: 0;
  min-height: 46px;
  max-height: 132px;
  resize: none;
  overflow-y: auto;
}

.btn-enviar {
  flex: 0 0 auto;
  width: 42px;
  height: 42px;
  margin-bottom: 2px;
  border-radius: 50%;
  border: none;
  background: var(--teal);
  color: #fff;
  font-size: 1.1rem;
  cursor: pointer;
  display: grid;
  place-items: center;
}

.btn-enviar:disabled { opacity: 0.4; cursor: not-allowed; }

/* Frases rápidas */
.seccion-titulo {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  margin: 22px 2px 10px;
}

.frases-scroll {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 6px;
  margin-top: 6px;
  scrollbar-width: none;
}
.frases-scroll::-webkit-scrollbar { display: none; }

.chip-frase {
  flex: 0 0 auto;
  background: var(--surface);
  border: 1px solid var(--surface-alt);
  border-radius: 999px;
  padding: 10px 16px;
  font-family: var(--font-ui);
  font-weight: 600;
  font-size: 0.88rem;
  cursor: pointer;
  white-space: nowrap;
}

/* Navegación inferior */
.nav-inferior {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  background: var(--surface);
  box-shadow: 0 -4px 18px rgba(20,34,53,0.08);
  display: flex;
  justify-content: space-around;
  padding: 10px 0 calc(10px + env(safe-area-inset-bottom));
  z-index: 20;
}

.nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--ink-soft);
  text-decoration: none;
}

.nav-item.activo { color: var(--teal); }
.nav-item .icono { font-size: 1.2rem; }

/* Listas (frases / historial) */
.tarjeta-lista {
  background: var(--surface);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 10px;
  box-shadow: var(--shadow);
}

.tarjeta-lista .texto { font-size: 0.98rem; }
.tarjeta-lista .fecha { font-size: 0.75rem; color: var(--ink-soft); display: block; margin-top: 2px; }

.form-nueva-frase {
  display: flex;
  gap: 8px;
  margin-bottom: 18px;
}

.form-nueva-frase input {
  flex: 1;
  border: 1px solid var(--surface-alt);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  font-family: var(--font-ui);
  font-size: 0.95rem;
  background: var(--surface);
  color: var(--ink);
}

.btn-mini {
  border: none;
  background: var(--teal);
  color: #fff;
  border-radius: var(--radius-sm);
  padding: 0 16px;
  font-weight: 700;
  cursor: pointer;
}

.btn-mini.borrar { background: var(--coral); }
.btn-mini.reproducir { background: var(--teal); }

.acciones-mini { display: flex; gap: 6px; }

.vacio {
  text-align: center;
  color: var(--ink-soft);
  padding: 40px 10px;
  font-size: 0.95rem;
}

/* Página "Mi voz" */
.tarjeta-info {
  background: var(--surface);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow);
  padding: 16px 18px;
  margin-bottom: 16px;
  font-size: 0.92rem;
  line-height: 1.5;
}

.tarjeta-info-tip {
  color: var(--ink-soft);
  font-size: 0.85rem;
}

.tarjeta-info-estado {
  font-weight: 700;
  font-size: 0.88rem;
  margin-bottom: 0;
}

.form-subir-muestra {
  display: flex;
  gap: 8px;
  margin-bottom: 6px;
  flex-wrap: wrap;
}

.form-subir-muestra input[type="file"] {
  flex: 1;
  min-width: 0;
  font-size: 0.82rem;
  background: var(--surface);
  border: 1px solid var(--surface-alt);
  border-radius: var(--radius-sm);
  padding: 10px;
  color: var(--ink);
}

.tarjeta-muestra audio {
  width: 100%;
  height: 32px;
  margin-top: 6px;
}

@media (min-width: 520px) {
  .contenedor { padding-top: 32px; }
}

/* Login */
.pantalla-login {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding-top: 0;
}

.marca-login { font-size: 2.1rem; margin-bottom: 2px; }
.subtitulo-login { color: var(--ink-soft); font-size: 0.95rem; margin: 0 0 26px; }

.tarjeta-login {
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px 22px;
  width: 100%;
  max-width: 340px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.etiqueta-campo {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--ink-soft);
  margin-top: 6px;
}

.campo-login { border-radius: var(--radius-sm); }

.btn-login {
  margin-top: 14px;
  padding: 13px;
  font-size: 0.98rem;
}

.aviso-error {
  background: rgba(194, 69, 69, 0.12);
  color: var(--coral);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  font-size: 0.85rem;
  font-weight: 600;
}

.ayuda-login {
  color: var(--ink-soft);
  font-size: 0.85rem;
  margin-top: 18px;
  text-align: center;
  max-width: 300px;
}

/* Administración */
.form-nuevo-usuario {
  display: flex;
  flex-direction: column;
  gap: 8px;
  background: var(--surface);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow);
  padding: 14px;
  margin-bottom: 8px;
}

.form-nuevo-usuario input {
  border: 1px solid var(--surface-alt);
  border-radius: var(--radius-sm);
  padding: 11px 13px;
  font-family: var(--font-ui);
  font-size: 0.92rem;
  background: var(--bg);
  color: var(--ink);
}

.check-admin {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--ink-soft);
}

.etiqueta-admin, .etiqueta-inactivo {
  font-size: 0.68rem;
  font-weight: 800;
  border-radius: 999px;
  padding: 2px 8px;
  margin-left: 6px;
  vertical-align: middle;
}

.etiqueta-admin { background: rgba(37, 107, 101, 0.15); color: var(--teal); }
.etiqueta-inactivo { background: rgba(194, 69, 69, 0.15); color: var(--coral); }

/* Ajustes de voz */
.tarjeta-ajuste {
  background: var(--surface);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow);
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.campo-select {
  border: 1px solid var(--surface-alt);
  border-radius: var(--radius-sm);
  padding: 11px 13px;
  font-family: var(--font-ui);
  font-size: 0.92rem;
  background: var(--bg);
  color: var(--ink);
  margin-bottom: 12px;
}

#controlVelocidad {
  width: 100%;
  accent-color: var(--teal);
  margin-bottom: 4px;
}