:root {
  --bg: #0f1418;
  --panel: #171e24;
  --panel-2: #1e272e;
  --borde: #2a353d;
  --txt: #e6edf3;
  --txt-sub: #8b9aa7;
  --acento: #2f9e6b;
  --acento-2: #3aa7ff;
  --alerta: #e05252;
  --aviso: #d99a2b;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--txt);
  font: 14px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

h1, h2 { margin: 0; font-weight: 600; }
h1 { font-size: 18px; letter-spacing: -.3px; }
h1 span { color: var(--acento); }
h2 { font-size: 16px; }
.sub { color: var(--txt-sub); font-size: 13px; margin: 4px 0 12px; }

/* Login */
.login-body { display: grid; place-items: center; min-height: 100vh; }
.login-card {
  background: var(--panel); border: 1px solid var(--borde); border-radius: 12px;
  padding: 32px; width: 340px; display: grid; gap: 14px;
}
.login-card h1 { font-size: 24px; }
.login-card label { display: grid; gap: 6px; font-size: 13px; color: var(--txt-sub); }

input, select, textarea {
  background: var(--panel-2); border: 1px solid var(--borde); color: var(--txt);
  border-radius: 7px; padding: 9px 11px; font: inherit; width: 100%;
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--acento-2); outline-offset: -1px; }

button {
  background: var(--panel-2); border: 1px solid var(--borde); color: var(--txt);
  border-radius: 7px; padding: 9px 14px; font: inherit; cursor: pointer;
}
button:hover { border-color: var(--acento-2); }
button.primario { background: var(--acento); border-color: var(--acento); color: #06110c; font-weight: 600; }
button.peligro { border-color: var(--alerta); color: var(--alerta); }
button.link { background: none; border: none; color: var(--txt-sub); }
button.mini { padding: 4px 9px; font-size: 12px; }
.boton-archivo { display: inline-block; }

.error { color: var(--alerta); font-size: 13px; margin: 0; }

/* Layout */
.topbar {
  display: flex; align-items: center; gap: 24px;
  padding: 12px 20px; background: var(--panel); border-bottom: 1px solid var(--borde);
  position: sticky; top: 0; z-index: 10;
}
.topbar-derecha { margin-left: auto; display: flex; align-items: center; gap: 12px; }
nav#tabs { display: flex; gap: 4px; }
.tab { background: none; border: none; color: var(--txt-sub); padding: 8px 14px; border-radius: 7px; }
.tab.activa { background: var(--panel-2); color: var(--txt); }

main { padding: 20px; max-width: 1500px; margin: 0 auto; }
.vista { display: none; }
.vista.activa { display: block; }
.barra { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; gap: 12px; }
.barra > div { display: flex; gap: 8px; }
.dos-columnas { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; align-items: start; }

.kpis { display: flex; gap: 12px; padding: 16px 20px 0; max-width: 1500px; margin: 0 auto; flex-wrap: wrap; }
.kpi {
  background: var(--panel); border: 1px solid var(--borde); border-radius: 10px;
  padding: 12px 18px; min-width: 130px;
}
.kpi b { display: block; font-size: 24px; font-weight: 600; }
.kpi span { color: var(--txt-sub); font-size: 12px; text-transform: uppercase; letter-spacing: .5px; }

/* Tablas */
.tabla { width: 100%; border-collapse: collapse; background: var(--panel); border-radius: 10px; overflow: hidden; }
.tabla th {
  text-align: left; padding: 10px 12px; font-size: 12px; text-transform: uppercase;
  letter-spacing: .5px; color: var(--txt-sub); border-bottom: 1px solid var(--borde);
}
.tabla td { padding: 10px 12px; border-bottom: 1px solid var(--borde); vertical-align: middle; }
.tabla tr:last-child td { border-bottom: none; }
.tabla tr.seleccionada { background: var(--panel-2); }

.pill {
  display: inline-flex; align-items: center; gap: 6px; padding: 3px 10px;
  border-radius: 999px; font-size: 12px; background: var(--panel-2); border: 1px solid var(--borde);
}
.pill.on { color: var(--acento); border-color: var(--acento); }
.pill.off { color: var(--alerta); border-color: var(--alerta); }
.punto { width: 7px; height: 7px; border-radius: 50%; background: currentColor; }

/* Media */
.grid-media { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 12px; }
.tarjeta-media {
  background: var(--panel); border: 1px solid var(--borde); border-radius: 10px; overflow: hidden;
}
.tarjeta-media .preview { height: 118px; background: #000; display: grid; place-items: center; }
.tarjeta-media img, .tarjeta-media video { max-width: 100%; max-height: 118px; }
.tarjeta-media .meta { padding: 9px 11px; font-size: 12px; }
.tarjeta-media .meta b { display: block; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; font-weight: 500; }
.tarjeta-media .meta span { color: var(--txt-sub); }

.panel-lateral { background: var(--panel); border: 1px solid var(--borde); border-radius: 10px; padding: 16px; }
.lista-items { list-style: none; padding: 0; margin: 0 0 12px; display: grid; gap: 6px; }
.lista-items li {
  display: grid; grid-template-columns: 1fr 70px auto auto; gap: 8px; align-items: center;
  background: var(--panel-2); border: 1px solid var(--borde); border-radius: 7px; padding: 7px 10px; font-size: 13px;
}
.lista-items li span { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

dialog {
  background: var(--panel); color: var(--txt); border: 1px solid var(--borde);
  border-radius: 12px; padding: 22px; min-width: 380px; max-width: 90vw;
}
dialog::backdrop { background: rgba(0, 0, 0, .6); }
dialog h3 { margin: 0 0 14px; font-size: 16px; }
dialog label { display: grid; gap: 5px; margin-bottom: 11px; font-size: 13px; color: var(--txt-sub); }
dialog .acciones { display: flex; gap: 8px; justify-content: flex-end; margin-top: 16px; }

.toast {
  position: fixed; bottom: 22px; right: 22px; background: var(--panel-2);
  border: 1px solid var(--acento); border-radius: 8px; padding: 12px 18px; z-index: 100;
}
.toast.error { border-color: var(--alerta); }

.aviso-pendiente {
  background: var(--panel); border: 1px solid var(--aviso); border-radius: 10px;
  padding: 12px 16px; margin-bottom: 14px; font-size: 13px;
}
.dias { display: flex; gap: 4px; }
.dias label { display: grid; justify-items: center; gap: 3px; font-size: 11px; margin: 0; }
.dias input { width: auto; }

@media (max-width: 1000px) {
  .dos-columnas { grid-template-columns: 1fr; }
  .topbar { flex-wrap: wrap; }
}