/* SISTEMA DE VARIABLES DE DISEÑO (TEMA CLARO POR DEFECTO / TEMA OSCURO) */
:root {
  --bg-principal: #ffffff;
  --bg-sidebar: #f8fafc;
  --bg-paneles: #f1f5f9;
  --bg-tarjeta: #ffffff;
  --bg-input: #ffffff;
  --texto-principal: #0f172a;
  --texto-secundario: #475569;
  --borde-color: #cbd5e1;
  --acento-color: #2563eb;
  --acento-hover: #1d4ed8;
  --sombra: rgba(15, 23, 42, 0.08);
}

[data-theme="oscuro"] {
  --bg-principal: #0f172a;
  --bg-sidebar: #1e293b;
  --bg-paneles: #0f172a;
  --bg-tarjeta: #1e293b;
  --bg-input: #0f172a;
  --texto-principal: #f8fafc;
  --texto-secundario: #94a3b8;
  --borde-color: #334155;
  --acento-color: #38bdf8;
  --acento-hover: #0284c7;
  --sombra: rgba(0, 0, 0, 0.35);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
}

body {
  background: var(--bg-principal);
  color: var(--texto-principal);
  height: 100vh;
  display: flex;
  overflow: hidden;
  transition: background 0.3s ease, color 0.3s ease;
}

/* 1. BARRA LATERAL FLOTANTE CON ACORDEÓN */
.sidebar-flotante {
  width: 270px;
  background: var(--bg-sidebar);
  border-right: 1px solid var(--borde-color);
  display: flex;
  flex-direction: column;
  z-index: 100;
  transition: width 0.3s ease, background 0.3s ease;
}

.sidebar-header {
  padding: 16px 18px;
  border-bottom: 1px solid var(--borde-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 700;
  color: var(--acento-color);
  font-size: 0.95rem;
}

.menu-lista {
  list-style: none;
  padding: 8px 0;
  overflow-y: auto;
  flex: 1;
}

.item-menu {
  border-bottom: 1px solid var(--borde-color);
}

.btn-acordeon {
  width: 100%;
  background: none;
  border: none;
  color: var(--texto-principal);
  padding: 13px 18px;
  text-align: left;
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background 0.2s, color 0.2s;
}

.btn-acordeon:hover {
  background: var(--bg-paneles);
  color: var(--acento-color);
}

/* CONTENEDOR DE ACORDEÓN ESTRICTO (PADDING CERO EXTERNO PARA EVITAR RECORTE DE CAJA) */
.panel-submenu {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s cubic-bezier(0, 1, 0, 1);
  background: var(--bg-paneles);
  padding: 0 !important;
}

.panel-submenu.abierto {
  max-height: 480px;
}

.panel-submenu button {
  display: block;
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  color: var(--texto-secundario);
  padding: 9px 18px 9px 32px;
  font-size: 0.82rem;
  cursor: pointer;
  transition: color 0.2s, background 0.2s;
}

.panel-submenu button:hover {
  color: var(--acento-color);
  background: rgba(37, 99, 235, 0.05);
}

/* CONTENEDOR INTERNO DE MATCHCODE (AISLAMIENTO DE RELLENO) */
.matchcode-inner {
  padding: 12px 18px 16px 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.matchcode-input-group {
  display: flex;
  align-items: center;
  border: 1px solid var(--borde-color);
  border-radius: 8px;
  background: var(--bg-input);
  padding: 4px 10px;
}

.matchcode-input-group input {
  border: none;
  background: transparent;
  color: var(--texto-principal);
  font-size: 0.82rem;
  width: 100%;
  outline: none;
  padding: 4px 0;
}

.matchcode-input-group span {
  color: var(--texto-secundario);
  font-size: 0.9rem;
}

.matchcode-select {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid var(--borde-color);
  border-radius: 8px;
  background: var(--bg-input);
  color: var(--texto-principal);
  font-size: 0.82rem;
  outline: none;
}

/* INTERRUPTOR DE PRIVACIDAD EN SALA (MODO REUNIÓN) */
.panel-privacidad {
  padding: 12px 18px;
  border-top: 1px solid var(--borde-color);
  background: var(--bg-paneles);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  font-weight: 600;
}

.toggle-switch {
  position: relative;
  display: inline-block;
  width: 42px;
  height: 22px;
}

.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider-switch {
  position: absolute;
  cursor: pointer;
  top: 0; left: 0; right: 0; bottom: 0;
  background-color: var(--borde-color);
  transition: .3s;
  border-radius: 22px;
}

.slider-switch:before {
  position: absolute;
  content: "";
  height: 16px;
  width: 16px;
  left: 3px;
  bottom: 3px;
  background-color: white;
  transition: .3s;
  border-radius: 50%;
}

input:checked + .slider-switch {
  background-color: var(--acento-color);
}

input:checked + .slider-switch:before {
  transform: translateX(20px);
}

/* 2. CONTENEDOR PRINCIPAL Y COLUMNA DE COMPROMISOS CONTRAÍBLE */
.viewport-principal {
  flex: 1;
  display: flex;
  overflow: hidden;
  position: relative;
}

.columna-compromisos {
  width: 320px;
  background: var(--bg-sidebar);
  border-right: 1px solid var(--borde-color);
  display: flex;
  flex-direction: column;
  transition: width 0.3s ease, opacity 0.2s ease;
  overflow: hidden;
}

.columna-compromisos.contraido {
  width: 0;
  opacity: 0;
  border-right: none;
}

/* ENCABEZADO CON SANGRÍA IZQUIERDA DE 38PX PARA EVITAR SUPERPOSICIÓN DE FLECHA */
.compromisos-header {
  padding: 16px 18px 16px 38px;
  border-bottom: 1px solid var(--borde-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 700;
  font-size: 0.9rem;
}

.lista-tareas {
  padding: 14px;
  overflow-y: auto;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.tarea-item {
  background: var(--bg-tarjeta);
  border: 1px solid var(--borde-color);
  border-radius: 8px;
  padding: 12px;
  font-size: 0.84rem;
  box-shadow: 0 2px 6px var(--sombra);
}

.tarea-titulo {
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--texto-principal);
}

.tarea-meta {
  font-size: 0.74rem;
  color: var(--texto-secundario);
  display: flex;
  justify-content: space-between;
}

.etiqueta-personal {
  background: #f59e0b;
  color: #fff;
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.68rem;
  font-weight: 700;
}

.etiqueta-institucional {
  background: var(--acento-color);
  color: #fff;
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.68rem;
  font-weight: 700;
}

/* BOTÓN FLOTANTE PARA CONTRAER/EXPANDIR COMPROMISOS */
.btn-toggle-columna {
  position: absolute;
  left: 0;
  top: 15px;
  z-index: 50;
  background: var(--acento-color);
  color: #ffffff;
  border: none;
  border-radius: 0 6px 6px 0;
  padding: 6px 10px;
  cursor: pointer;
  font-size: 0.8rem;
  box-shadow: 2px 0 6px var(--sombra);
}

/* 3. LIENZO OPERATIVO INTEGRADO (SPA) */
.columna-lienzo {
  flex: 1;
  display: flex;
  flex-direction: column;
  background: var(--bg-principal);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.columna-lienzo.maximizado {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  width: 100vw;
  height: 100vh;
  z-index: 500;
}

.lienzo-header {
  padding: 14px 24px;
  border-bottom: 1px solid var(--borde-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--bg-sidebar);
}

.lienzo-area-trabajo {
  flex: 1;
  padding: 24px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

.vista-spa {
  display: none;
  flex: 1;
  flex-direction: column;
}

.vista-spa.activa {
  display: flex;
}

/* ENTRADA MULTIMODAL (CHAT, AUTO-EXPASIÓN, ADJUNTOS, MICRÓFONO) */
.contenedor-chat {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 16px;
  overflow-y: auto;
  padding-right: 8px;
}

.mensaje-sistema {
  font-weight: 600;
  color: var(--acento-color);
  font-size: 0.95rem;
}

.barra-input-multimodal {
  display: flex;
  align-items: flex-end;
  gap: 10px;
  border: 1px solid var(--borde-color);
  border-radius: 12px;
  padding: 8px 12px;
  background: var(--bg-input);
  box-shadow: 0 4px 12px var(--sombra);
}

.textarea-auto {
  flex: 1;
  border: none;
  outline: none;
  resize: none;
  background: transparent;
  color: var(--texto-principal);
  font-size: 0.9rem;
  max-height: 120px;
  line-height: 1.4;
  padding: 4px 0;
}

.btn-icono {
  background: none;
  border: none;
  color: var(--texto-secundario);
  cursor: pointer;
  padding: 6px;
  border-radius: 6px;
  font-size: 1.1rem;
  transition: color 0.2s, background 0.2s;
}

.btn-icono:hover {
  color: var(--acento-color);
  background: var(--bg-paneles);
}

.btn-enviar {
  background: var(--acento-color);
  color: #fff;
  border: none;
  padding: 8px 16px;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s;
}

.btn-enviar:hover {
  background: var(--acento-hover);
}

/* VISORES Y PANELES OPERATIVOS (QR, TEMPORIZADOR, CORREOS) */
.panel-centrado {
  max-width: 580px;
  margin: auto;
  background: var(--bg-tarjeta);
  border: 1px solid var(--borde-color);
  border-radius: 16px;
  padding: 32px;
  text-align: center;
  box-shadow: 0 10px 30px var(--sombra);
}

.reloj-temporizador {
  font-size: 5rem;
  font-weight: 800;
  color: var(--acento-color);
  font-variant-numeric: tabular-nums;
  margin: 16px 0;
}

.campo-form {
  margin-bottom: 14px;
  text-align: left;
}

.campo-form label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 4px;
  color: var(--texto-secundario);
}

.campo-form input, .campo-form select, .campo-form textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--borde-color);
  border-radius: 8px;
  background: var(--bg-input);
  color: var(--texto-principal);
  font-size: 0.88rem;
  outline: none;
}

.campo-form input:focus, .campo-form select:focus, .campo-form textarea:focus {
  border-color: var(--acento-color);
}

/* BURBUJA COGNITIVA EFÍMERA CON ONDA ORBITAL NATIVA */
.pulsar-cognitivo {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--bg-paneles);
  border: 1px solid var(--borde-color);
  border-radius: 12px;
  padding: 10px 16px;
  margin: 6px 0;
  align-self: flex-start;
  color: var(--texto-principal);
  font-size: 0.88rem;
  font-weight: 600;
  box-shadow: 0 2px 6px var(--sombra);
}

.onda-orbital {
  width: 18px;
  height: 18px;
  border: 2px solid var(--acento-color);
  border-top-color: transparent;
  border-radius: 50%;
  animation: giro-orbital 0.8s linear infinite;
}

@keyframes giro-orbital {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}