:root {
  --fondo: #0b1020;
  --fondo-2: #111831;
  --panel: #151d38;
  --panel-2: #1b2547;
  --borde: #26325c;
  --texto: #e6ebf5;
  --texto-2: #9aa6c4;
  --texto-3: #6b789b;
  --azul: #3b82f6;
  --azul-2: #2563eb;
  --verde: #22c55e;
  --amarillo: #f59e0b;
  --rojo: #ef4444;
  --radio: 12px;
  --sombra: 0 10px 30px rgba(0, 0, 0, .35);
  color-scheme: dark;
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--fondo); color: var(--texto); }
body { font: 15px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; min-height: 100vh; }
button, input, select, textarea { font: inherit; color: inherit; }
a { color: var(--azul); }
.cargando-inicial { display: grid; place-items: center; min-height: 100vh; color: var(--texto-2); }

/* ---------- botones y campos ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 8px 14px; border-radius: 9px; border: 1px solid var(--borde);
  background: var(--panel-2); cursor: pointer; white-space: nowrap; text-decoration: none; color: var(--texto);
  transition: background .15s, border-color .15s;
}
.btn:hover { background: #22305c; }
.btn:disabled { opacity: .5; cursor: default; }
.btn.primario { background: var(--azul); border-color: var(--azul); color: #fff; }
.btn.primario:hover { background: var(--azul-2); }
.btn.peligro { background: transparent; border-color: #5b2330; color: #fca5a5; }
.btn.peligro:hover { background: #3a1620; }
.btn.chico { padding: 5px 10px; font-size: 13px; }
.btn.icono { padding: 8px; min-width: 38px; }
.campo { display: flex; flex-direction: column; gap: 5px; margin-bottom: 12px; }
.campo > span { font-size: 13px; color: var(--texto-2); }
input[type=text], input[type=password], input[type=number], input[type=date], input[type=time], select, textarea {
  background: var(--fondo-2); border: 1px solid var(--borde); border-radius: 9px; padding: 9px 11px; width: 100%;
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--azul); outline-offset: -1px; }
label.check { display: flex; align-items: center; gap: 8px; cursor: pointer; padding: 4px 0; }
.ayuda { font-size: 12.5px; color: var(--texto-3); }

/* ---------- login ---------- */
.login { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.login form { width: 100%; max-width: 360px; background: var(--panel); border: 1px solid var(--borde); border-radius: 16px; padding: 28px 24px; box-shadow: var(--sombra); }
.login h1 { margin: 0 0 4px; font-size: 26px; display: flex; align-items: center; gap: 10px; }
.login p { margin: 0 0 20px; color: var(--texto-2); }
.login .btn { width: 100%; padding: 11px; margin-top: 6px; }
.error { color: #fca5a5; font-size: 14px; min-height: 20px; margin: 6px 0 0; }
.logo { width: 34px; height: 34px; border-radius: 9px; background: var(--azul); display: inline-grid; place-items: center; flex: none; }

/* ---------- barra superior ---------- */
.barra { position: sticky; top: 0; z-index: 20; background: rgba(11, 16, 32, .92); backdrop-filter: blur(8px); border-bottom: 1px solid var(--borde); }
.barra-int { max-width: 1500px; margin: 0 auto; display: flex; align-items: center; gap: 12px; padding: 10px 16px; }
.marca { display: flex; align-items: center; gap: 9px; font-weight: 700; font-size: 17px; flex: none; }
.marca .logo { width: 30px; height: 30px; }
.nav { display: flex; gap: 4px; overflow-x: auto; flex: 1; scrollbar-width: none; }
.nav::-webkit-scrollbar { display: none; }
.nav button { background: none; border: 0; padding: 8px 12px; border-radius: 8px; color: var(--texto-2); cursor: pointer; white-space: nowrap; position: relative; }
.nav button:hover { color: var(--texto); background: var(--panel); }
.nav button.activo { color: var(--texto); background: var(--panel-2); }
.insignia { display: inline-block; min-width: 18px; padding: 0 5px; border-radius: 9px; background: var(--amarillo); color: #111; font-size: 11.5px; font-weight: 700; margin-left: 5px; line-height: 18px; text-align: center; }
.menu-usuario { position: relative; flex: none; }
.menu-lista { position: absolute; right: 0; top: calc(100% + 6px); background: var(--panel); border: 1px solid var(--borde); border-radius: 10px; box-shadow: var(--sombra); min-width: 200px; padding: 6px; display: none; }
.menu-lista.abierto { display: block; }
.menu-lista button { display: block; width: 100%; text-align: left; background: none; border: 0; padding: 9px 10px; border-radius: 7px; cursor: pointer; }
.menu-lista button:hover { background: var(--panel-2); }
.menu-lista .quien { padding: 8px 10px; color: var(--texto-2); font-size: 13px; border-bottom: 1px solid var(--borde); margin-bottom: 4px; }
.estado-ws { width: 8px; height: 8px; border-radius: 50%; background: var(--texto-3); display: inline-block; }
.estado-ws.ok { background: var(--verde); }

.contenido { max-width: 1500px; margin: 0 auto; padding: 16px; }
.titulo-vista { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin: 4px 0 16px; }
.titulo-vista h2 { margin: 0; font-size: 21px; }

/* ---------- filtros ---------- */
.filtros { background: var(--panel); border: 1px solid var(--borde); border-radius: var(--radio); padding: 12px 14px; margin-bottom: 14px; display: flex; flex-direction: column; gap: 10px; }
.fila-filtro { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.fila-filtro > .etq { color: var(--texto-3); font-size: 13px; width: 86px; flex: none; }
.chips { display: flex; gap: 6px; flex-wrap: wrap; flex: 1; min-width: 0; }
.chip { border: 1px solid var(--borde); background: var(--fondo-2); color: var(--texto-2); border-radius: 999px; padding: 5px 12px; cursor: pointer; font-size: 13.5px; display: inline-flex; align-items: center; gap: 6px; }
.chip:hover { color: var(--texto); border-color: #3a4a80; }
.chip.activo { background: var(--azul); border-color: var(--azul); color: #fff; }
.chip .n { opacity: .7; font-size: 12px; }
.chip select { background: transparent; border: 0; padding: 0; width: auto; color: inherit; }
.horas { display: flex; align-items: center; gap: 6px; }
.horas input { width: 118px; padding: 6px 8px; }
.contador { color: var(--texto-2); font-size: 14px; }

/* ---------- subidas en curso ---------- */
.subidas { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 10px; margin-bottom: 14px; }
.subida { background: var(--panel); border: 1px solid #2c4a8a; border-radius: 10px; padding: 10px 12px; }
.subida .arriba { display: flex; justify-content: space-between; gap: 8px; font-size: 13.5px; }
.subida .arriba b { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.barra-prog { height: 7px; background: var(--fondo-2); border-radius: 4px; margin-top: 8px; overflow: hidden; }
.barra-prog > i { display: block; height: 100%; background: linear-gradient(90deg, var(--azul), #60a5fa); transition: width .3s; }
.subida .abajo { font-size: 12px; color: var(--texto-3); margin-top: 5px; }
.pulso { width: 8px; height: 8px; border-radius: 50%; background: var(--azul); display: inline-block; animation: pulso 1.2s infinite; margin-right: 6px; }
@keyframes pulso { 50% { opacity: .25; } }

/* ---------- selección ---------- */
.barra-sel { position: sticky; top: 58px; z-index: 15; background: var(--azul-2); color: #fff; border-radius: 10px; padding: 8px 12px; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-bottom: 12px; box-shadow: var(--sombra); }
.barra-sel .btn { background: rgba(255, 255, 255, .14); border-color: rgba(255, 255, 255, .25); color: #fff; }
.barra-sel .btn:hover { background: rgba(255, 255, 255, .25); }
.barra-sel .esp { flex: 1; }

/* ---------- rejilla ---------- */
.dia { margin: 18px 0 8px; font-weight: 600; color: var(--texto-2); display: flex; align-items: center; gap: 10px; }
.dia:first-child { margin-top: 2px; }
.dia .n { color: var(--texto-3); font-weight: 400; text-transform: none; font-size: 13px; }
.dia .btn { margin-left: auto; }
.rejilla { display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: 8px; }
.foto { position: relative; aspect-ratio: 4 / 3; border-radius: 10px; overflow: hidden; background: var(--panel); border: 2px solid transparent; padding: 0; cursor: pointer; display: block; width: 100%; }
.foto img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .25s; }
.foto:hover img { transform: scale(1.04); }
.foto .pie { position: absolute; left: 0; right: 0; bottom: 0; padding: 18px 8px 6px; background: linear-gradient(transparent, rgba(0, 0, 0, .75)); font-size: 12px; color: #fff; text-align: left; display: flex; justify-content: space-between; gap: 6px; }
.foto .pie span:last-child { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.foto .marca-sel { position: absolute; top: 7px; left: 7px; width: 24px; height: 24px; border-radius: 50%; border: 2px solid #fff; background: rgba(0, 0, 0, .35); display: grid; place-items: center; color: #fff; font-size: 14px; font-weight: 700; }
.foto.sel { border-color: var(--azul); }
.foto.sel .marca-sel { background: var(--azul); border-color: var(--azul); }
.foto.sel img { transform: scale(.92); border-radius: 6px; }
.foto.nueva { animation: nueva 2.5s ease-out; }
@keyframes nueva { 0% { box-shadow: 0 0 0 3px var(--verde); } 100% { box-shadow: 0 0 0 3px transparent; } }
.vacio { text-align: center; color: var(--texto-2); padding: 60px 16px; background: var(--panel); border: 1px dashed var(--borde); border-radius: var(--radio); }
.vacio .grande { font-size: 40px; margin-bottom: 8px; }
.centinela { height: 40px; display: grid; place-items: center; color: var(--texto-3); font-size: 13px; }

/* ---------- visor ---------- */
.visor { position: fixed; inset: 0; z-index: 50; background: rgba(3, 6, 15, .96); display: flex; flex-direction: column; }
.visor-arriba { display: flex; align-items: center; gap: 8px; padding: 10px 14px; flex-wrap: wrap; }
.visor-arriba .info { flex: 1; min-width: 160px; }
.visor-arriba .info b { display: block; }
.visor-arriba .info small { color: var(--texto-2); }
.visor-centro { flex: 1; position: relative; display: grid; grid-template: minmax(0, 1fr) / minmax(0, 1fr); min-height: 0; padding: 0 56px 16px; }
.visor-centro img { width: 100%; height: 100%; object-fit: contain; user-select: none; }
.visor .flecha { position: absolute; top: 50%; transform: translateY(-50%); width: 46px; height: 64px; border-radius: 10px; border: 0; background: rgba(255, 255, 255, .07); color: #fff; font-size: 26px; cursor: pointer; }
.visor .flecha:hover { background: rgba(255, 255, 255, .16); }
.visor .flecha.izq { left: 6px; }
.visor .flecha.der { right: 6px; }
.visor .contador-v { color: var(--texto-3); font-size: 13px; }

/* ---------- tarjetas de dispositivos ---------- */
.tarjetas { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 12px; }
.tarjeta { background: var(--panel); border: 1px solid var(--borde); border-radius: var(--radio); padding: 14px; display: flex; flex-direction: column; gap: 10px; }
.tarjeta.pendiente { border-color: var(--amarillo); box-shadow: 0 0 0 1px rgba(245, 158, 11, .25); }
.tarjeta-cab { display: flex; align-items: flex-start; gap: 10px; }
.tarjeta-cab h3 { margin: 0; font-size: 16.5px; word-break: break-word; }
.tarjeta-cab .sub { color: var(--texto-3); font-size: 12.5px; }
.tarjeta-cab .esp { flex: 1; }
.punto { width: 10px; height: 10px; border-radius: 50%; flex: none; margin-top: 6px; background: var(--texto-3); }
.punto.on { background: var(--verde); box-shadow: 0 0 0 4px rgba(34, 197, 94, .18); }
.etiqueta { font-size: 12px; padding: 2px 8px; border-radius: 999px; background: var(--panel-2); color: var(--texto-2); white-space: nowrap; }
.etiqueta.verde { background: rgba(34, 197, 94, .15); color: #86efac; }
.etiqueta.amarilla { background: rgba(245, 158, 11, .17); color: #fcd34d; }
.etiqueta.roja { background: rgba(239, 68, 68, .17); color: #fca5a5; }
.metricas { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.metrica { background: var(--fondo-2); border-radius: 9px; padding: 8px 10px; }
.metrica .v { font-size: 16px; font-weight: 600; }
.metrica .e { font-size: 11.5px; color: var(--texto-3); }
.datos { display: grid; grid-template-columns: auto 1fr; gap: 3px 12px; font-size: 13.5px; }
.datos dt { color: var(--texto-3); }
.datos dd { margin: 0; word-break: break-all; font-family: ui-monospace, Consolas, monospace; font-size: 12.5px; color: var(--texto); }
.acciones { display: flex; gap: 6px; flex-wrap: wrap; }
.senal { display: inline-flex; align-items: flex-end; gap: 2px; height: 14px; vertical-align: middle; margin-left: 4px; }
.senal i { width: 4px; background: var(--borde); border-radius: 1px; }
.senal i.on { background: var(--verde); }

/* ---------- tablas ---------- */
.tabla-env { background: var(--panel); border: 1px solid var(--borde); border-radius: var(--radio); overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--borde); white-space: nowrap; }
th { color: var(--texto-3); font-weight: 500; font-size: 12.5px; }
tr:last-child td { border-bottom: 0; }

/* ---------- configuración ---------- */
.paneles { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 12px; }
.panel { background: var(--panel); border: 1px solid var(--borde); border-radius: var(--radio); padding: 16px; }
.panel h3 { margin: 0 0 12px; font-size: 16px; }

/* ---------- modal ---------- */
.fondo-modal { position: fixed; inset: 0; z-index: 60; background: rgba(0, 0, 0, .6); display: grid; place-items: center; padding: 16px; }
.modal { background: var(--panel); border: 1px solid var(--borde); border-radius: 14px; width: 100%; max-width: 480px; max-height: calc(100vh - 32px); display: flex; flex-direction: column; box-shadow: var(--sombra); }
.modal h3 { margin: 0; padding: 16px 18px 0; font-size: 17px; }
.modal .cuerpo { padding: 14px 18px; overflow-y: auto; }
.modal .pie-modal { padding: 12px 18px 16px; display: flex; justify-content: flex-end; gap: 8px; flex-wrap: wrap; }
.lista-checks { max-height: 200px; overflow-y: auto; background: var(--fondo-2); border: 1px solid var(--borde); border-radius: 9px; padding: 6px 10px; }

/* ---------- avisos ---------- */
#avisos { position: fixed; bottom: 16px; left: 50%; transform: translateX(-50%); z-index: 80; display: flex; flex-direction: column; gap: 8px; align-items: center; width: calc(100% - 32px); max-width: 420px; pointer-events: none; }
.aviso { background: var(--panel-2); border: 1px solid var(--borde); border-left: 4px solid var(--azul); border-radius: 10px; padding: 10px 14px; box-shadow: var(--sombra); width: 100%; animation: entra .2s; }
.aviso.error { border-left-color: var(--rojo); }
.aviso.ok { border-left-color: var(--verde); }
@keyframes entra { from { transform: translateY(10px); opacity: 0; } }

@media (max-width: 640px) {
  .contenido { padding: 12px; }
  .marca span { display: none; }
  .rejilla { grid-template-columns: repeat(auto-fill, minmax(110px, 1fr)); gap: 5px; }
  .foto { border-radius: 7px; }
  .foto .pie span:last-child { display: none; }
  .fila-filtro > .etq { width: 100%; }
  .visor-centro { padding: 0 0 10px; }
  .visor .flecha { display: none; }
  .tarjetas { grid-template-columns: 1fr; }
  .barra-sel { top: 54px; }
}