/* ============================================
   MULTIDEA WEB - UI PRINCIPAL
   Autor: Yeligzon
   Version: 0.3
   ============================================ */

:root {
  --color-fondo: #0c1017;
  --color-fondo-secundario: #141b26;
  --color-fondo-terciario: #07313f;
  --color-panel: #111722;
  --color-borde: #1e293b;
  --color-texto: #f1f5f9;
  --color-texto-suave: #64748b;

  --color-acento: #00F2FE;
  --color-acento-hover: #00D2FF;
  --color-acento-texto: #06111e;

  --color-seleccion: #0b2b3b;
  --color-exito: #10b981;
  --color-peligro: #ff4757;
  --color-sidebar: #070a0f;

  --tamaño-sidebar: 72px;
  --tamaño-header: 48px;
  --tamaño-footer: 42px;
  --radio-borde: 6px;
  --transicion: 0.2s ease;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: var(--color-fondo);
  color: var(--color-texto);
  height: 100vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  user-select: none;
}

/* ===== BARRA SUPERIOR ===== */
.barra-superior {
  height: var(--tamaño-header);
  background-color: var(--color-sidebar);
  border-bottom: 1px solid var(--color-borde);
  display: flex;
  align-items: center;
  padding: 0 12px 0 30px;
  gap: 8px;
  flex-shrink: 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-right: 20px;
  padding-right: 20px;
  border-right: 1px solid var(--color-borde);
}

.logo-icono {
  width: 26px;
  height: 26px;
  color: var(--color-acento);
  filter: drop-shadow(0 0 6px rgba(0, 242, 254, 0.4));
}

.logo-texto {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.menu-superior {
  display: flex;
  gap: 2px;
  flex: 1;
}

.btn-menu {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 6px 12px;
  background: none;
  border: none;
  color: var(--color-texto-suave);
  font-size: 13px;
  cursor: pointer;
  border-radius: var(--radio-borde);
  transition: var(--transicion);
}

.btn-menu svg { width: 15px; height: 15px; }
.btn-menu:hover { background-color: var(--color-fondo-terciario); color: var(--color-acento); }

.acciones-superior { display: flex; gap: 4px; }

.btn-accion {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  background: none;
  border: none;
  color: var(--color-texto-suave);
  cursor: pointer;
  border-radius: var(--radio-borde);
  transition: var(--transicion);
}

.btn-accion svg { width: 18px; height: 18px; }
.btn-accion:hover {
  background-color: var(--color-acento);
  color: var(--color-acento-texto);
  box-shadow: 0 0 10px rgba(0, 242, 254, 0.4);
}

/* ===== CUERPO ===== */
.cuerpo-principal {
  flex: 1;
  display: flex;
  overflow: hidden;
  min-height: 0;
}

/* ===== SIDEBAR ICONOS ===== */
.barra-lateral {
  width: var(--tamaño-sidebar);
  background-color: var(--color-sidebar);
  border-right: 1px solid var(--color-borde);
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 36px 0 8px 0;
  gap: 2px;
  flex-shrink: 0;
}

.btn-lateral {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 52px;
  background: none;
  border: none;
  color: var(--color-texto-suave);
  cursor: pointer;
  border-radius: var(--radio-borde);
  transition: var(--transicion);
  gap: 3px;
}

.btn-lateral svg { width: 20px; height: 20px; }
.btn-lateral span { font-size: 9px; letter-spacing: 0.3px; }
.btn-lateral:hover { background-color: var(--color-fondo-terciario); color: var(--color-acento); }
.btn-lateral.activo {
  background-color: var(--color-fondo-terciario);
  color: var(--color-acento);
  border-left: 3px solid var(--color-acento);
}

.separador-lateral {
  width: 40px;
  height: 1px;
  background-color: var(--color-borde);
  margin: 8px 0;
}

/* ===== COLUMNA 1: LISTA ===== */
.panel-lista {
  width: 300px;
  display: flex;
  flex-direction: column;
  background-color: var(--color-fondo);
  border-right: 1px solid var(--color-borde);
  flex-shrink: 0;
  min-height: 0;
}

.buscador {
  display: flex;
  align-items: center;
  padding: 12px 14px;
  gap: 8px;
  background-color: var(--color-fondo-secundario);
  border-bottom: 1px solid var(--color-borde);
  flex-shrink: 0;
}

.icono-buscar {
  width: 16px;
  height: 16px;
  color: var(--color-texto-suave);
  flex-shrink: 0;
}

#input-buscar {
  flex: 1;
  background: none;
  border: none;
  outline: none;
  color: var(--color-texto);
  font-size: 13px;
}

#input-buscar::placeholder { color: var(--color-texto-suave); }

.lista-canciones {
  flex: 1;
  overflow-y: auto;
  padding: 4px 0;
  min-height: 0;
}

.lista-canciones::-webkit-scrollbar { width: 6px; }
.lista-canciones::-webkit-scrollbar-thumb { background-color: var(--color-borde); border-radius: 3px; }

.item-cancion {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  cursor: pointer;
  border-left: 3px solid transparent;
  transition: var(--transicion);
}

.item-cancion:hover { background-color: var(--color-fondo-secundario); }
.item-cancion.seleccionado {
  background-color: var(--color-seleccion);
  border-left-color: var(--color-acento);
}

.item-info { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.item-titulo { font-size: 13px; font-weight: 600; color: var(--color-texto); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.item-autor { font-size: 11px; color: var(--color-texto-suave); }

.item-tono {
  font-size: 12px;
  font-weight: 700;
  color: var(--color-acento);
  background-color: rgba(0, 242, 254, 0.12);
  padding: 2px 8px;
  border-radius: 10px;
  border: 1px solid rgba(0, 242, 254, 0.25);
  flex-shrink: 0;
  margin-left: 8px;
}

/* ===== COLUMNA 2: DIAPOSITIVAS ===== */
.panel-letras {
  flex: 1;
  display: flex;
  flex-direction: column;
  background-color: var(--color-panel);
  min-width: 0;
  min-height: 0;
}

.letras-header {
  padding: 12px 20px;
  background-color: var(--color-fondo-secundario);
  border-bottom: 1px solid var(--color-borde);
  flex-shrink: 0;
}

.letras-titulo {
  font-size: 15px;
  font-weight: 700;
  color: var(--color-texto);
}

.grid-diapositivas {
  flex: 1;
  padding: 16px;
  overflow-y: auto;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  grid-auto-rows: max-content;
  gap: 12px;
  min-height: 0;
  align-content: start;
}

.grid-diapositivas::-webkit-scrollbar { width: 6px; }
.grid-diapositivas::-webkit-scrollbar-thumb { background-color: var(--color-borde); border-radius: 3px; }

.slide-card {
  background-color: var(--color-fondo);
  border: 1px solid var(--color-borde);
  border-radius: 8px;
  padding: 12px;
  cursor: pointer;
  transition: var(--transicion);
  min-height: 110px;
}

.slide-card:hover { border-color: var(--color-texto-suave); }

.slide-card.activo {
  border-color: var(--color-acento);
  box-shadow: 0 0 12px rgba(0, 242, 254, 0.35);
}

.tag-parte {
  display: inline-block;
  font-size: 10px;
  font-weight: 700;
  background-color: var(--color-borde);
  color: var(--color-texto);
  padding: 2px 6px;
  border-radius: 4px;
  margin-bottom: 8px;
}

.slide-card.activo .tag-parte {
  background-color: var(--color-acento);
  color: var(--color-acento-texto);
}

.texto-card {
  font-size: 13px;
  color: var(--color-texto);
  line-height: 1.45;
  white-space: pre-wrap;
}

/* Barra de transmision (solo visible en vivo) */
.barra-transmision {
  display: none;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 16px;
  background-color: rgba(255, 71, 87, 0.12);
  border-top: 1px solid rgba(255, 71, 87, 0.35);
  color: var(--color-peligro);
  font-size: 13px;
  font-weight: 600;
  flex-shrink: 0;
}

.barra-transmision.activa { display: flex; }

.barra-izq {
  display: flex;
  align-items: center;
  gap: 8px;
}

.punto-rojo {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: var(--color-peligro);
  box-shadow: 0 0 8px var(--color-peligro);
  flex-shrink: 0;
}

.punto-rojo.animado {
  animation: palpitar 1.4s infinite;
}

@keyframes palpitar {
  0% { box-shadow: 0 0 0 0 rgba(255, 71, 87, 0.7); }
  70% { box-shadow: 0 0 0 8px rgba(255, 71, 87, 0); }
  100% { box-shadow: 0 0 0 0 rgba(255, 71, 87, 0); }
}

.atajo-teclado {
  color: var(--color-texto-suave);
  font-size: 11px;
  font-weight: 500;
  background-color: var(--color-fondo);
  padding: 4px 8px;
  border-radius: 4px;
  border: 1px solid var(--color-borde);
  white-space: nowrap;
}

/* ===== COLUMNA 3: MONITORES ===== */
.panel-monitores {
  width: 340px;
  background-color: var(--color-sidebar);
  border-left: 1px solid var(--color-borde);
  display: flex;
  flex-direction: column;
  padding: 16px;
  gap: 24px;
  flex-shrink: 0;
  overflow-y: auto;
}

.caja-monitor {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.monitor-header {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  font-weight: 700;
  color: var(--color-texto-suave);
  letter-spacing: 0.6px;
  text-transform: uppercase;
}

.punto-turquesa {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: var(--color-acento);
  box-shadow: 0 0 8px var(--color-acento);
  flex-shrink: 0;
}

.pantalla-16-9 {
  width: 100%;
  aspect-ratio: 16 / 9;
  background-color: #000;
  border-radius: 8px;
  border: 1px solid var(--color-borde);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  overflow: hidden;
  background-image: radial-gradient(circle at center, #1a1a2e 0%, #000 100%);
  transition: background 0.2s ease, border-color 0.2s ease;
}

.pantalla-previa {
  border-style: dashed;
  border-color: var(--color-texto-suave);
}

.pantalla-16-9.negro-total {
  background-image: none;
  background-color: #000;
  border-color: #000;
}

.pantalla-16-9.negro-total .texto-pantalla {
  opacity: 0;
}

.texto-pantalla {
  text-align: center;
  color: #fff;
  font-size: 1.05rem;
  font-weight: 700;
  text-shadow: 2px 2px 6px rgba(0, 0, 0, 0.85);
  line-height: 1.45;
  white-space: pre-wrap;
  transition: opacity 0.15s ease;
}

/* ===== FOOTER ===== */
.barra-inferior {
  height: var(--tamaño-footer);
  background-color: var(--color-sidebar);
  border-top: 1px solid var(--color-borde);
  display: flex;
  align-items: center;
  padding: 0 14px;
  gap: 16px;
  flex-shrink: 0;
}

.controles-proyeccion { display: flex; gap: 6px; }

.btn-control {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  background: none;
  border: 1px solid var(--color-borde);
  color: var(--color-texto-suave);
  cursor: pointer;
  border-radius: var(--radio-borde);
  transition: var(--transicion);
}

.btn-control svg { width: 14px; height: 14px; }
.btn-control:hover { background-color: var(--color-fondo-terciario); color: var(--color-acento); }

.btn-play {
  background-color: var(--color-acento);
  border-color: var(--color-acento);
  color: var(--color-acento-texto);
  box-shadow: 0 0 10px rgba(0, 242, 254, 0.3);
}

.btn-play:hover {
  background-color: var(--color-acento-hover);
  border-color: var(--color-acento-hover);
}

.info-estado {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--color-texto-suave);
  flex: 1;
}

.estado-indicador {
  width: 8px;
  height: 8px;
  background-color: var(--color-exito);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--color-exito);
}

.info-version {
  font-size: 11px;
  color: var(--color-texto-suave);
}