:root {
  --fondo: #070b18;
  --fondo2: #0d1428;
  --tarjeta: #111a33;
  --borde: #1f2b4d;
  --texto: #e8edf9;
  --tenue: #8b97b8;
  --cian: #38d6ff;
  --violeta: #8b6cff;
  --rojo: #ff5577;
  --verde: #3ee59a;
  --radio: 16px;
  color-scheme: dark;
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body {
  background: radial-gradient(ellipse at 50% -10%, #16224a 0%, var(--fondo) 60%) fixed, var(--fondo);
  color: var(--texto);
  font: 16px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  -webkit-tap-highlight-color: transparent;
}
.oculto { display: none !important; }
.tenue { color: var(--tenue); }
.chico-txt { font-size: 14px; }
.error { color: var(--rojo); min-height: 1.2em; }
h1, h2, h3 { margin: 0 0 12px; font-weight: 650; }
h2 { font-size: 20px; margin-top: 8px; }
h3 { font-size: 16px; }

input, select, textarea {
  width: 100%; background: var(--fondo2); color: var(--texto);
  border: 1px solid var(--borde); border-radius: 12px; padding: 12px 14px; font: inherit;
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--cian); border-color: transparent; }
textarea { resize: vertical; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  background: var(--tarjeta); color: var(--texto); border: 1px solid var(--borde);
  border-radius: 12px; padding: 11px 16px; font: inherit; font-weight: 550; cursor: pointer;
}
.btn:active { transform: scale(.97); }
.btn.primario { background: linear-gradient(135deg, var(--cian), var(--violeta)); border: 0; color: #050816; }
.btn.peligro { background: var(--rojo); border: 0; color: #fff; }
.btn.chico { padding: 8px 12px; font-size: 14px; }
.btn.verde { background: var(--verde); color: #04140c; border: 0; }

/* Login */
.pantalla { min-height: 100dvh; display: grid; place-items: center; padding: 24px; }
.login-caja { width: min(360px, 100%); text-align: center; }
.login-caja form { display: grid; gap: 12px; margin-top: 24px; }
.login-caja .orbe { margin: 0 auto 16px; width: 72px; height: 72px; }

/* Estructura */
#app { display: flex; flex-direction: column; height: 100dvh; }
.barra {
  display: flex; justify-content: space-between; align-items: center;
  padding: calc(10px + env(safe-area-inset-top)) 16px 10px;
}
.marca { display: flex; align-items: center; gap: 10px; font-size: 18px; letter-spacing: .5px; }
.pildora-reunion {
  background: rgba(255, 85, 119, .15); color: var(--rojo); border: 1px solid var(--rojo);
  border-radius: 99px; padding: 4px 12px; font-size: 14px; cursor: pointer; animation: latir 1.4s infinite;
}
.vista { display: none; flex: 1; overflow-y: auto; padding: 0 16px 16px; }
.vista.activa { display: block; }
#v-cira.activa { display: flex; flex-direction: column; padding-bottom: 8px; }

.nav {
  display: grid; grid-template-columns: repeat(5, 1fr);
  border-top: 1px solid var(--borde); background: rgba(7, 11, 24, .92); backdrop-filter: blur(10px);
  padding-bottom: env(safe-area-inset-bottom);
}
.nav a {
  display: flex; flex-direction: column; align-items: center; gap: 2px; padding: 8px 0 10px;
  color: var(--tenue); text-decoration: none; font-size: 11px;
}
.nav a span { font-size: 19px; line-height: 1.2; }
.nav a.activo { color: var(--cian); }

/* Orbe */
.orbe {
  position: relative; border: 0; border-radius: 50%; cursor: pointer; padding: 0;
  background: radial-gradient(circle at 35% 30%, #b9f3ff 0%, var(--cian) 22%, var(--violeta) 62%, #2a1a6e 100%);
  box-shadow: 0 0 40px rgba(56, 214, 255, .35), inset 0 0 30px rgba(255, 255, 255, .25);
}
.orbe span {
  position: absolute; inset: -6px; border-radius: 50%;
  border: 2px solid rgba(56, 214, 255, .35); pointer-events: none;
}
.orbe-mini { width: 30px; height: 30px; box-shadow: 0 0 14px rgba(56, 214, 255, .4); }
.orbe-mini span { inset: -3px; border-width: 1px; }
.orbe-grande { width: 132px; height: 132px; transition: transform .2s; animation: flotar 5s ease-in-out infinite; }
.orbe-grande.escuchando { animation: escuchar 1.1s ease-in-out infinite; }
.orbe-grande.escuchando span { animation: anillo 1.1s ease-out infinite; }
.orbe-grande.pensando { animation: girar 1.6s linear infinite; filter: hue-rotate(40deg); }
.orbe-grande.hablando { animation: hablar .5s ease-in-out infinite alternate; }

@keyframes flotar { 50% { transform: translateY(-6px); } }
@keyframes escuchar { 50% { transform: scale(1.08); box-shadow: 0 0 70px rgba(56, 214, 255, .7); } }
@keyframes anillo { from { transform: scale(1); opacity: 1; } to { transform: scale(1.45); opacity: 0; } }
@keyframes girar { to { transform: rotate(360deg); } }
@keyframes hablar { from { transform: scale(.97); } to { transform: scale(1.05); box-shadow: 0 0 60px rgba(139, 108, 255, .7); } }
@keyframes latir { 50% { opacity: .55; } }

.centro-voz { display: flex; flex-direction: column; align-items: center; gap: 14px; padding: 12px 0 8px; }
.estado-voz { margin: 0; color: var(--tenue); min-height: 1.4em; text-align: center; }
.controles-voz { display: flex; gap: 14px; align-items: center; flex-wrap: wrap; justify-content: center; }

.interruptor { display: inline-flex; align-items: center; gap: 8px; font-size: 14px; cursor: pointer; color: var(--tenue); }
.interruptor input { display: none; }
.interruptor i { width: 40px; height: 22px; background: var(--borde); border-radius: 99px; position: relative; transition: .2s; }
.interruptor i::after { content: ""; position: absolute; top: 3px; left: 3px; width: 16px; height: 16px; background: #fff; border-radius: 50%; transition: .2s; }
.interruptor input:checked + i { background: var(--cian); }
.interruptor input:checked + i::after { left: 21px; }

/* Chat */
.chat { flex: 1; overflow-y: auto; display: flex; flex-direction: column; gap: 10px; padding: 4px 0 8px; min-height: 80px; }
.burbuja { max-width: 85%; padding: 10px 14px; border-radius: 18px; white-space: pre-wrap; word-wrap: break-word; }
.burbuja.user { align-self: flex-end; background: linear-gradient(135deg, #1f6fff, var(--violeta)); border-bottom-right-radius: 6px; }
.burbuja.model { align-self: flex-start; background: var(--tarjeta); border: 1px solid var(--borde); border-bottom-left-radius: 6px; }
.burbuja.sistema { align-self: center; background: none; color: var(--tenue); font-size: 13px; text-align: center; }
.entrada-texto { display: flex; gap: 8px; }
.entrada-texto .btn { width: 52px; flex: none; }

.aviso { background: rgba(255, 196, 0, .1); border: 1px solid #a57d00; color: #ffd76a; padding: 12px; border-radius: 12px; font-size: 14px; margin-bottom: 8px; }

/* Listas y tarjetas */
.tarjeta { background: var(--tarjeta); border: 1px solid var(--borde); border-radius: var(--radio); padding: 14px; margin-bottom: 12px; display: grid; gap: 10px; }
.fila-form { grid-template-columns: 1fr; }
@media (min-width: 640px) { .fila-form { grid-template-columns: 1fr 220px auto; } }
.lista { display: grid; gap: 10px; margin-bottom: 20px; }
.item { background: var(--tarjeta); border: 1px solid var(--borde); border-radius: var(--radio); padding: 12px 14px; display: flex; gap: 12px; align-items: flex-start; }
.item .cuerpo { flex: 1; min-width: 0; }
.item .titulo { font-weight: 600; }
.item .meta { color: var(--tenue); font-size: 13px; margin-top: 2px; }
.item .acciones { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 8px; }
.item.hecho { opacity: .5; }
.item.hecho .titulo { text-decoration: line-through; }
.item.clic { cursor: pointer; }
.etiqueta { display: inline-block; font-size: 12px; padding: 2px 8px; border-radius: 99px; background: var(--borde); color: var(--tenue); }
.etiqueta.listo { background: rgba(62, 229, 154, .15); color: var(--verde); }
.etiqueta.procesando, .etiqueta.grabando, .etiqueta.en_progreso { background: rgba(56, 214, 255, .15); color: var(--cian); }
.etiqueta.error { background: rgba(255, 85, 119, .15); color: var(--rojo); }
.vacio { color: var(--tenue); text-align: center; padding: 20px; font-size: 14px; }

/* Modales */
.modal { position: fixed; inset: 0; background: rgba(3, 5, 12, .75); backdrop-filter: blur(6px); display: grid; place-items: end center; z-index: 50; }
@media (min-width: 640px) { .modal { place-items: center; } }
.modal-caja {
  position: relative; width: min(640px, 100%); max-height: 92dvh; overflow-y: auto;
  background: var(--fondo2); border: 1px solid var(--borde); border-radius: 22px 22px 0 0;
  padding: 22px 18px calc(22px + env(safe-area-inset-bottom));
}
@media (min-width: 640px) { .modal-caja { border-radius: 22px; } }
.modal-caja.centro { text-align: center; }
.cerrar { position: absolute; top: 12px; right: 12px; background: none; border: 0; color: var(--tenue); font-size: 20px; cursor: pointer; }
.fila-botones { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; margin-top: 16px; }
.reloj { font-size: 44px; font-variant-numeric: tabular-nums; margin: 4px 0 8px; font-weight: 300; }
.ondas { display: flex; gap: 6px; justify-content: center; height: 50px; align-items: center; margin-bottom: 10px; }
.ondas i { width: 6px; background: var(--rojo); border-radius: 3px; animation: onda 1s ease-in-out infinite; }
.ondas i:nth-child(2) { animation-delay: .15s; } .ondas i:nth-child(3) { animation-delay: .3s; }
.ondas i:nth-child(4) { animation-delay: .45s; } .ondas i:nth-child(5) { animation-delay: .6s; }
@keyframes onda { 0%, 100% { height: 10px; } 50% { height: 46px; } }

.seccion-res { margin: 16px 0; }
.seccion-res h3 { color: var(--cian); font-size: 14px; text-transform: uppercase; letter-spacing: .8px; }
.seccion-res ul { margin: 0; padding-left: 20px; display: grid; gap: 6px; }
.bloque-texto { background: var(--fondo); border: 1px solid var(--borde); border-radius: 12px; padding: 12px; white-space: pre-wrap; font-size: 14px; max-height: 320px; overflow-y: auto; }
details summary { cursor: pointer; color: var(--tenue); margin: 10px 0; }
audio { width: 100%; margin-top: 8px; }
.correo-campo { display: grid; gap: 6px; margin-bottom: 10px; }
.correo-campo label { font-size: 13px; color: var(--tenue); }

.toast {
  position: fixed; left: 50%; bottom: calc(84px + env(safe-area-inset-bottom)); transform: translateX(-50%);
  background: var(--tarjeta); border: 1px solid var(--cian); padding: 12px 18px; border-radius: 14px;
  z-index: 60; max-width: calc(100% - 32px); box-shadow: 0 10px 30px rgba(0, 0, 0, .5);
}