:root {
  --fondo: #0f1620;
  --panel: #17212e;
  --panel2: #1f2c3d;
  --borde: #2b3b50;
  --texto: #e8eef6;
  --texto-d: #9db0c6;
  --acento: #3aa6ff;
  --habla: #35d07f;
  --alerta: #ff5d5d;
  --mano: #ffc247;
}
* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }
body { background: var(--fondo); color: var(--texto); font: 15px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; overflow: hidden; }
[hidden] { display: none !important; }
button { font: inherit; color: inherit; cursor: pointer; }
:focus-visible { outline: 2px solid var(--acento); outline-offset: 2px; }

/* ---------- entrada ---------- */
.entrada { min-height: 100%; display: grid; place-items: center; padding: 20px; }
.caja { width: 100%; max-width: 380px; background: var(--panel); border: 1px solid var(--borde); border-radius: 14px; padding: 28px 26px; display: flex; flex-direction: column; gap: 14px; }
.marca { font-size: 1.35rem; font-weight: 800; letter-spacing: .01em; }
.aviso, .pie { margin: 0; color: var(--texto-d); font-size: .88rem; }
label { display: flex; flex-direction: column; gap: 6px; font-size: .85rem; color: var(--texto-d); }
input { background: var(--fondo); border: 1px solid var(--borde); color: var(--texto); border-radius: 9px; padding: 11px 12px; font-size: 1rem; }
input:focus { border-color: var(--acento); outline: none; }
.btn-prim { background: var(--acento); color: #06121f; border: 0; border-radius: 9px; padding: 12px; font-weight: 800; font-size: 1rem; }
.btn-prim:disabled { opacity: .6; cursor: wait; }
.error { color: var(--alerta); font-size: .88rem; min-height: 1.2em; }

/* ---------- sala ---------- */
.sala { height: 100dvh; display: grid; position: relative; grid-template-columns: minmax(0, 1fr);
  grid-template-rows: auto minmax(0, 1fr) auto auto auto;
  grid-template-areas: "cab" "esc" "ctl" "msj" "cinta"; }
.cab { grid-area: cab; } .escenario { grid-area: esc; } .controles { grid-area: ctl; } .mensaje-permiso { grid-area: msj; } .cinta { grid-area: cinta; }
/* ubicacion de la barra de miniaturas (la elige cada persona y se recuerda) */
.sala.barra-arriba { grid-template-rows: auto auto minmax(0, 1fr) auto auto; grid-template-areas: "cab" "cinta" "esc" "ctl" "msj"; }
.sala.barra-arriba .cinta { border-top: 0; border-bottom: 1px solid var(--borde); padding-bottom: 8px; padding-top: 8px; }
.sala.barra-derecha { grid-template-columns: minmax(0, 1fr) 160px; grid-template-rows: auto minmax(0, 1fr) auto auto;
  grid-template-areas: "cab cab" "esc cinta" "ctl cinta" "msj cinta"; }
.sala.barra-derecha .cinta { flex-direction: column; overflow-x: hidden; overflow-y: auto; border-top: 0; border-left: 1px solid var(--borde); min-height: 0; align-items: center; padding: 10px 8px; }
.sala.barra-oculta { grid-template-rows: auto minmax(0, 1fr) auto auto; grid-template-areas: "cab" "esc" "ctl" "msj"; }
.sala.barra-oculta .cinta { display: none; }
.asa, .ctl-ocultar, .btn-mostrar-ctl { display: none; }
/* controles flotantes: salen del reparto de la pantalla (el escenario gana toda la altura) y se arrastran */
.sala.ctl-flotante .controles { grid-area: auto; position: absolute; z-index: 15; left: 0; top: 0; max-width: calc(100% - 16px); padding: 8px 10px; gap: 6px;
  background: rgba(23,33,46,.9); border: 1px solid var(--borde); border-radius: 16px; box-shadow: 0 8px 28px rgba(0,0,0,.5); backdrop-filter: blur(6px); align-items: center; }
.sala.ctl-flotante .asa { display: grid; place-items: center; width: 28px; align-self: stretch; cursor: grab; touch-action: none; font-size: 1.3rem; color: var(--texto-d); user-select: none; }
.sala.ctl-flotante .asa:active { cursor: grabbing; }
.sala.ctl-flotante .ctl-ocultar { display: flex; }
.sala.ctl-flotante .ctl { min-width: 64px; padding: 6px 8px; }
.sala.ctl-flotante .mensaje-permiso, .sala.ctl-oculta .mensaje-permiso { display: none; }
.sala.ctl-oculta .controles { display: none; }
.sala.ctl-oculta .btn-mostrar-ctl { display: block; position: absolute; right: 12px; bottom: 12px; z-index: 15; background: rgba(23,33,46,.92); border: 1px solid var(--borde); border-radius: 100px; padding: 9px 16px; font-weight: 700; box-shadow: 0 6px 20px rgba(0,0,0,.5); }
.sala.ctl-oculta .btn-mostrar-ctl:hover { border-color: var(--acento); }
.sel-barra { display: inline-flex; align-items: center; gap: 6px; font-size: .82rem; color: var(--texto-d); }
.sel-barra select { background: var(--panel2); color: var(--texto); border: 1px solid var(--borde); border-radius: 8px; padding: 4px 8px; font: inherit; }
.cab { display: flex; flex-wrap: wrap; gap: 8px 16px; align-items: center; justify-content: space-between; padding: 10px 16px; background: var(--panel); border-bottom: 1px solid var(--borde); }
.cab-titulo { font-weight: 800; font-size: 1.02rem; }
.cab-datos { display: flex; gap: 8px; flex-wrap: wrap; }
.chip { background: var(--panel2); border: 1px solid var(--borde); border-radius: 100px; padding: 4px 12px; font-size: .88rem; white-space: nowrap; font-variant-numeric: tabular-nums; }
.chip b { font-size: 1.02rem; }
.chip-habla { border-color: var(--habla); color: var(--habla); font-weight: 700; max-width: 52vw; overflow: hidden; text-overflow: ellipsis; }
.chip-habla.nadie { border-color: var(--borde); color: var(--texto-d); font-weight: 400; }
.grab { color: var(--alerta); font-size: .78rem; font-weight: 800; margin-left: 8px; animation: parpadeo 1.2s infinite; }
@keyframes parpadeo { 50% { opacity: .35; } }

.escenario { position: relative; background: #05090e; min-height: 0; display: grid; place-items: center; overflow: hidden; }
.escenario video { width: 100%; height: 100%; object-fit: contain; background: #05090e; }
.avatar-grande { position: absolute; inset: 0; display: grid; place-items: center; }
.avatar-grande span { width: min(34vh, 40vw); height: min(34vh, 40vw); border-radius: 50%; background: var(--panel2); border: 3px solid var(--borde); display: grid; place-items: center; font-size: min(12vh, 14vw); font-weight: 800; color: var(--texto-d); }
.etiqueta-escenario { position: absolute; left: 14px; bottom: 12px; background: rgba(5,9,14,.78); border-radius: 8px; padding: 6px 12px; font-weight: 700; max-width: calc(100% - 28px); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.controles { display: flex; gap: 8px; justify-content: center; flex-wrap: wrap; padding: 10px 12px 4px; background: var(--panel); }
.ctl { background: var(--panel2); border: 1px solid var(--borde); border-radius: 12px; min-width: 74px; padding: 8px 10px; display: flex; flex-direction: column; align-items: center; gap: 2px; font-size: 1.25rem; line-height: 1.1; position: relative; }
.ctl span { font-size: .72rem; color: var(--texto-d); }
.ctl:hover:not(:disabled) { border-color: var(--acento); }
.ctl:disabled { opacity: .4; cursor: not-allowed; }
.ctl.on { background: #15402c; border-color: var(--habla); }
.ctl.mano-on { background: #4a3a10; border-color: var(--mano); }
.ctl.grabando { background: #4a1818; border-color: var(--alerta); }
.ctl-salir { background: #3a1a1f; border-color: #6b2b34; }
.insignia { position: absolute; top: -6px; right: -6px; background: var(--mano); color: #1b1300; font-style: normal; font-weight: 800; border-radius: 100px; font-size: .75rem; padding: 1px 7px; }
.mensaje-permiso { text-align: center; font-size: .82rem; color: var(--texto-d); padding: 2px 12px 8px; background: var(--panel); min-height: 1.4em; }

/* barra de miniaturas, siempre abajo y visible para todos */
.cinta { display: flex; gap: 8px; overflow-x: auto; padding: 8px 12px calc(8px + env(safe-area-inset-bottom)); background: #0b1119; border-top: 1px solid var(--borde); min-height: 112px; align-items: center; }
.tile { position: relative; flex: 0 0 auto; width: 132px; height: 92px; border-radius: 10px; overflow: hidden; background: var(--panel2); border: 2px solid transparent; }
.tile video { position: relative; z-index: 1; width: 100%; height: 100%; object-fit: cover; display: block; }
.tile .ini { position: absolute; inset: 0; display: grid; place-items: center; font-size: 1.7rem; font-weight: 800; color: var(--texto-d); }
.tile .nom { z-index: 2; position: absolute; left: 0; right: 0; bottom: 0; background: rgba(5,9,14,.78); font-size: .74rem; padding: 2px 6px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.tile .ico { z-index: 2; position: absolute; top: 4px; right: 5px; font-size: .95rem; display: flex; gap: 2px; }
.tile.habla { border-color: var(--habla); box-shadow: 0 0 0 2px rgba(53,208,127,.28); }
.tile.escenario-actual { border-color: var(--acento); }
.tile.yo .nom::after { content: " (tú)"; color: var(--texto-d); }

/* panel del moderador */
.panel-mod { position: absolute; right: 0; top: 56px; bottom: 0; width: min(360px, 100%); background: var(--panel); border-left: 1px solid var(--borde); z-index: 20; display: flex; flex-direction: column; box-shadow: -8px 0 24px rgba(0,0,0,.4); }
.panel-cab { display: flex; justify-content: space-between; align-items: center; gap: 8px; padding: 12px 14px; border-bottom: 1px solid var(--borde); }
#lista-mod { overflow-y: auto; padding: 8px 10px; display: flex; flex-direction: column; gap: 8px; }
.fila { background: var(--panel2); border: 1px solid var(--borde); border-radius: 10px; padding: 10px 12px; display: flex; flex-direction: column; gap: 8px; }
.fila.con-mano { border-color: var(--mano); }
.fila-top { display: flex; align-items: center; gap: 8px; justify-content: space-between; }
.fila-nombre { font-weight: 700; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.etq { font-size: .72rem; border-radius: 100px; padding: 1px 8px; background: var(--borde); color: var(--texto-d); }
.etq.hab { background: #15402c; color: var(--habla); }
.etq.man { background: #4a3a10; color: var(--mano); }
.fila-acc { display: flex; gap: 6px; flex-wrap: wrap; align-items: center; }
.mini { background: var(--panel); border: 1px solid var(--borde); border-radius: 8px; padding: 5px 10px; font-size: .8rem; }
.mini:hover { border-color: var(--acento); }
.mini.peligro:hover { border-color: var(--alerta); color: var(--alerta); }
.vol { display: flex; align-items: center; gap: 6px; font-size: .78rem; color: var(--texto-d); width: 100%; }
.vol input { flex: 1; padding: 0; accent-color: var(--acento); }

.btn-audio { position: absolute; left: 50%; top: 70px; transform: translateX(-50%); z-index: 30; background: var(--mano); color: #1b1300; border: 0; border-radius: 100px; padding: 10px 18px; font-weight: 800; }
.toast { position: absolute; left: 50%; bottom: 140px; transform: translate(-50%, 20px); background: #000d; border: 1px solid var(--borde); padding: 9px 16px; border-radius: 10px; opacity: 0; pointer-events: none; transition: .25s; z-index: 40; max-width: 90vw; text-align: center; }
.toast.vis { opacity: 1; transform: translate(-50%, 0); }

@media (max-width: 560px) {
  .ctl { min-width: 62px; padding: 7px 6px; }
  .tile { width: 108px; height: 78px; }
  .cinta { min-height: 96px; }
}
@media (prefers-reduced-motion: reduce) { .grab { animation: none; } .toast { transition: none; } }