:root {
  color-scheme: light;
  --bg: #f4f5f7;
  --surface: #ffffff;
  --surface-2: #f8f9fa;
  --chart-surface: #fcfcfb;
  --borde: #e1e4e8;
  --grid: #eceef0;
  --texto: #0b0b0b;
  --texto-2: #52514e;
  --muted: #6a6964;
  --marca: #16325c;
  --marca-2: #1f4a87;
  --acento: #2a78d6;
  --serie-bytes: #2a78d6;
  --ok: #0ca30c;
  --warn: #fab219;
  --error: #d03b3b;
  --neutro: #9a9893;
  --ok-texto: #116b11;
  --warn-texto: #8a5a00;
  --error-texto: #b42626;
  --info-texto: #1c5cab;
  --sombra: 0 1px 2px rgba(0,0,0,.06), 0 1px 3px rgba(0,0,0,.06);
  --radio: 10px;
  --progreso-fondo: #e7edf5;
  --progreso-lleno: #9ec5f4;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --bg: #121211;
    --surface: #1a1a19;
    --surface-2: #222220;
    --chart-surface: #1a1a19;
    --borde: #33332f;
    --grid: #2a2a27;
    --texto: #ffffff;
    --texto-2: #c3c2b7;
    --muted: #9c9b92;
    --acento: #3987e5;
    --serie-bytes: #3987e5;
    --ok-texto: #5fd35f;
    --warn-texto: #fab219;
    --error-texto: #ff7b7b;
    --info-texto: #86b6ef;
    --sombra: none;
    --progreso-fondo: #2a2f36;
    --progreso-lleno: #1c5cab;
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #121211;
  --surface: #1a1a19;
  --surface-2: #222220;
  --chart-surface: #1a1a19;
  --borde: #33332f;
  --grid: #2a2a27;
  --texto: #ffffff;
  --texto-2: #c3c2b7;
  --muted: #9c9b92;
  --acento: #3987e5;
  --serie-bytes: #3987e5;
  --ok-texto: #5fd35f;
  --warn-texto: #fab219;
  --error-texto: #ff7b7b;
  --info-texto: #86b6ef;
  --sombra: none;
  --progreso-fondo: #2a2f36;
  --progreso-lleno: #1c5cab;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--bg);
  color: var(--texto);
  font: 14px/1.45 "Segoe UI", system-ui, -apple-system, Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--acento); }
h1, h2, h3 { margin: 0; font-weight: 600; }
h2 { font-size: 15px; }
h3 { font-size: 14px; margin: 16px 0 8px; }
.muted { color: var(--muted); }
[hidden] { display: none !important; }

/* ---------- Botones ---------- */
.btn {
  font: inherit; cursor: pointer; border: 1px solid var(--borde); background: var(--surface);
  color: var(--texto); border-radius: 7px; padding: 6px 12px; min-height: 32px;
}
.btn:hover { background: var(--surface-2); }
.btn:disabled { opacity: .45; cursor: default; }
.btn.primario { background: var(--marca); color: #fff; border-color: var(--marca); }
.btn.primario:hover { background: var(--marca-2); }
.btn.peligro { color: var(--error-texto); }
.btn.icono { padding: 4px 9px; }
.btn.chico { padding: 3px 9px; min-height: 28px; font-size: 13px; }

/* ---------- Login ---------- */
.login { min-height: 100vh; display: grid; place-items: center; padding: 16px; background: linear-gradient(160deg, var(--marca), color-mix(in srgb, var(--marca) 55%, #000)); }
.login-card {
  width: 100%; max-width: 360px; background: var(--surface); border-radius: 14px; padding: 28px;
  display: flex; flex-direction: column; gap: 12px; box-shadow: 0 10px 40px rgba(0,0,0,.3);
}
.login-card h1 { font-size: 20px; }
.login-card label { display: flex; flex-direction: column; gap: 4px; color: var(--texto-2); font-size: 13px; }
input, select {
  font: inherit; color: var(--texto); background: var(--surface); border: 1px solid var(--borde);
  border-radius: 7px; padding: 7px 10px; min-height: 34px;
}
input:focus, select:focus, .btn:focus-visible { outline: 2px solid var(--acento); outline-offset: 1px; }
.error { color: var(--error-texto); min-height: 1.2em; margin: 0; }
.pie { text-align: center; color: var(--muted); font-size: 12px; margin: 8px 0 0; }

/* ---------- Barra superior ---------- */
.barra {
  display: flex; align-items: center; gap: 16px; padding: 10px 20px; background: var(--marca); color: #fff;
  position: sticky; top: 0; z-index: 5; flex-wrap: wrap;
}
.marca { display: flex; align-items: center; gap: 10px; font-weight: 600; font-size: 16px; }
.tabs { display: flex; gap: 4px; }
.tabs button {
  font: inherit; background: transparent; color: #c9d6ea; border: 0; padding: 6px 12px; border-radius: 6px; cursor: pointer;
}
.tabs button.activo, .tabs button:hover { background: rgba(255,255,255,.14); color: #fff; }
.usuario { margin-left: auto; display: flex; align-items: center; gap: 10px; }
.usuario .muted { color: #a9bbd6; font-size: 12px; }
.barra .btn { background: transparent; color: #fff; border-color: rgba(255,255,255,.3); }
.barra .btn:hover { background: rgba(255,255,255,.12); }

main { padding: 16px 20px; max-width: 1500px; margin: 0 auto; }
.alerta { background: #fdecea; color: #8a1c1c; border: 1px solid #f5c2c0; padding: 10px 14px; border-radius: 8px; margin-bottom: 12px; }

/* ---------- KPIs ---------- */
.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 12px; margin-bottom: 14px; }
.kpi { background: var(--surface); border: 1px solid var(--borde); border-radius: var(--radio); padding: 12px 16px; box-shadow: var(--sombra); }
.kpi .etiqueta { color: var(--texto-2); font-size: 12px; display: flex; align-items: center; gap: 6px; }
.kpi .valor { font-size: 26px; font-weight: 600; margin-top: 2px; font-variant-numeric: tabular-nums; }
.kpi .sub { color: var(--muted); font-size: 12px; }

/* ---------- Paneles y tablas ---------- */
.panel { background: var(--surface); border: 1px solid var(--borde); border-radius: var(--radio); padding: 14px 16px; margin-bottom: 14px; box-shadow: var(--sombra); min-width: 0; }
.panel-titulo { display: flex; align-items: baseline; justify-content: space-between; gap: 8px; margin-bottom: 10px; }
.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(380px, 1fr)); gap: 14px; }
.tabla-scroll { overflow-x: auto; }
.tabla { width: 100%; border-collapse: collapse; font-size: 13px; }
.tabla th { text-align: left; color: var(--texto-2); font-weight: 600; padding: 8px 10px; border-bottom: 1px solid var(--borde); white-space: nowrap; background: var(--surface-2); }
.tabla td { padding: 8px 10px; border-bottom: 1px solid var(--grid); vertical-align: top; }
.tabla tbody tr:hover { background: var(--surface-2); }
.tabla .num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.tabla tr.clic { cursor: pointer; }
.tabla td.msg { color: var(--texto-2); max-width: 420px; }
.tabla .nombre { font-weight: 600; }
.tabla .desc { color: var(--muted); font-size: 12px; }
.acciones { white-space: nowrap; display: flex; gap: 6px; justify-content: flex-end; }
.vacio { color: var(--muted); text-align: center; padding: 24px; }

/* Estado: ícono + texto, nunca color solo */
.estado { display: inline-flex; align-items: center; gap: 6px; white-space: nowrap; font-weight: 500; }
.estado::before { content: ""; width: 9px; height: 9px; border-radius: 50%; background: var(--neutro); flex: none; }
.estado.ok { color: var(--ok-texto); } .estado.ok::before { background: var(--ok); }
.estado.warn { color: var(--warn-texto); } .estado.warn::before { background: var(--warn); }
.estado.error { color: var(--error-texto); } .estado.error::before { background: var(--error); }
.estado.curso { color: var(--info-texto); } .estado.curso::before { background: var(--acento); animation: pulso 1.2s infinite; }
.estado.neutro { color: var(--muted); }
@keyframes pulso { 50% { opacity: .3; } }
.chip { display: inline-block; font-size: 11px; padding: 1px 7px; border-radius: 99px; background: var(--surface-2); border: 1px solid var(--borde); color: var(--texto-2); margin-left: 6px; }

/* ---------- Filtros ---------- */
.filtros { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin-bottom: 10px; }
.filtros .espacio { flex: 1; }
.check { display: inline-flex; align-items: center; gap: 6px; color: var(--texto-2); }
.check input { min-height: 0; }

/* ---------- Gráficos ---------- */
.grafico { position: relative; height: 220px; background: var(--chart-surface); }
.grafico svg { display: block; width: 100%; height: 100%; overflow: visible; }
.grafico .eje text { fill: var(--muted); font-size: 11px; }
.grafico .grid line { stroke: var(--grid); stroke-width: 1; }
.grafico .base { stroke: var(--borde); stroke-width: 1; }
.grafico .hit { fill: transparent; cursor: default; }
.grafico .hit:hover + .resalte, .grafico .col:hover .resalte { opacity: 1; }
.grafico .resalte { fill: var(--texto); opacity: 0; pointer-events: none; }
.leyenda { display: flex; gap: 14px; flex-wrap: wrap; font-size: 12px; color: var(--texto-2); margin: -4px 0 8px; }
.leyenda span { display: inline-flex; align-items: center; gap: 6px; }
.leyenda i { width: 10px; height: 10px; border-radius: 3px; display: inline-block; }

.tooltip {
  position: fixed; z-index: 50; pointer-events: none; background: var(--surface); color: var(--texto);
  border: 1px solid var(--borde); border-radius: 8px; padding: 8px 10px; font-size: 12px;
  box-shadow: 0 4px 16px rgba(0,0,0,.15); min-width: 150px;
}
.tooltip b { display: block; margin-bottom: 4px; }
.tooltip .fila { display: flex; justify-content: space-between; gap: 14px; }
.tooltip .fila span:first-child { display: inline-flex; align-items: center; gap: 6px; color: var(--texto-2); }
.tooltip i { width: 8px; height: 8px; border-radius: 2px; display: inline-block; }

/* ---------- Discos ---------- */
.discos { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 12px; }
.disco { border: 1px solid var(--borde); border-radius: 8px; padding: 10px 12px; }
.disco .ruta { font-weight: 600; word-break: break-all; }
.disco .dest { color: var(--muted); font-size: 12px; margin-bottom: 8px; }
.medidor { height: 8px; background: var(--grid); border-radius: 99px; overflow: hidden; }
.medidor > div { height: 100%; background: var(--acento); border-radius: 99px; }
.medidor.alto > div { background: var(--error); }
.disco .nums { display: flex; justify-content: space-between; font-size: 12px; color: var(--texto-2); margin-top: 6px; font-variant-numeric: tabular-nums; }

/* ---------- Diálogo ---------- */
dialog {
  width: min(1100px, calc(100vw - 32px)); max-height: calc(100vh - 48px); border: 1px solid var(--borde);
  border-radius: 12px; padding: 18px 20px; background: var(--surface); color: var(--texto);
}
dialog::backdrop { background: rgba(0,0,0,.45); }
.dlg-cab { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.dlg-acciones { margin-top: 10px; }
.log {
  background: var(--surface-2); border: 1px solid var(--borde); border-radius: 8px; padding: 10px; max-height: 340px;
  overflow: auto; font: 12px/1.45 Consolas, "Cascadia Mono", monospace; white-space: pre; margin: 0;
}

.toast {
  position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%); background: #24292f; color: #fff;
  padding: 10px 16px; border-radius: 8px; z-index: 60; max-width: calc(100vw - 32px);
}
footer.pie { padding: 12px 0 24px; }

@media (max-width: 720px) {
  .barra { padding: 10px 16px; gap: 10px; }
  .usuario #info-servidor { display: none; }
  main { padding: 12px 16px; }
  .grid-2 { grid-template-columns: 1fr; }
  .tabla th:nth-child(3), .tabla td:nth-child(3) { display: none; }
}

/* ---------- Progreso ---------- */
.progreso {
  position: relative; height: 22px; border-radius: 6px; overflow: hidden;
  background: var(--progreso-fondo); font-size: 12px; min-width: 220px;
}
.progreso .lleno { position: absolute; inset: 0 auto 0 0; width: 0; background: var(--progreso-lleno); border-radius: 6px; transition: width .6s ease; }
.progreso span {
  position: relative; display: block; padding: 0 8px; line-height: 22px; white-space: nowrap; overflow: hidden;
  text-overflow: ellipsis; color: var(--texto); font-variant-numeric: tabular-nums;
}
.progreso.grande { height: 28px; font-size: 13px; }
.progreso.grande span { line-height: 28px; font-weight: 600; }
.progreso.indeterminado .lleno { width: 30% !important; animation: vaiven 1.4s ease-in-out infinite; opacity: .5; }
@keyframes vaiven { 0% { left: -30%; } 100% { left: 100%; } }
.dlg-progreso { display: grid; gap: 8px; margin: 4px 0 14px; }
.progreso-datos { color: var(--texto-2); font-size: 13px; font-variant-numeric: tabular-nums; }
.progreso-archivo { color: var(--muted); font-size: 12px; font-family: Consolas, "Cascadia Mono", monospace; word-break: break-all; }
.tema-flotante { position: fixed; top: 14px; right: 16px; z-index: 10; background: rgba(255,255,255,.12); color: #fff; border-color: rgba(255,255,255,.35); }
.tema-flotante:hover { background: rgba(255,255,255,.2); }

/* ---------- Configuración ---------- */
.config { display: grid; grid-template-columns: 210px 1fr; gap: 14px; align-items: start; }
.config-menu { display: flex; flex-direction: column; gap: 2px; position: sticky; top: 70px; }
.config-menu button {
  font: inherit; text-align: left; background: transparent; border: 0; color: var(--texto-2);
  padding: 9px 12px; border-radius: 7px; cursor: pointer; border-left: 3px solid transparent;
}
.config-menu button:hover { background: var(--surface-2); color: var(--texto); }
.config-menu button.activo { background: var(--surface); color: var(--texto); border-left-color: var(--acento); font-weight: 600; }
.config-contenido { min-height: 400px; }
.config-cab { display: flex; justify-content: space-between; align-items: center; gap: 10px; margin-bottom: 12px; flex-wrap: wrap; }
.config-cab p { margin: 4px 0 0; }
.form { display: grid; grid-template-columns: minmax(150px, 230px) 1fr; gap: 10px 16px; align-items: start; max-width: 900px; }
.form > .fila-completa { grid-column: 1 / -1; }
.form label.etq { padding-top: 7px; color: var(--texto-2); }
.form .ctrl { display: flex; flex-direction: column; gap: 3px; min-width: 0; }
.form .ctrl input:not([type=checkbox]):not([type=color]), .form .ctrl select, .form .ctrl textarea { width: 100%; }
.form .ayuda { color: var(--muted); font-size: 12px; }
.form h3 { grid-column: 1 / -1; margin: 14px 0 0; padding-bottom: 6px; border-bottom: 1px solid var(--borde); color: var(--acento); font-size: 14px; }
.form .nota { grid-column: 1 / -1; color: var(--muted); font-size: 12.5px; margin: -2px 0 2px; }
textarea {
  font: inherit; color: var(--texto); background: var(--surface); border: 1px solid var(--borde);
  border-radius: 7px; padding: 7px 10px; resize: vertical; min-height: 60px;
}
.check-fila { display: flex; align-items: center; gap: 8px; color: var(--texto); }
.check-fila input { min-height: 0; width: 16px; height: 16px; }
.dias { display: flex; flex-wrap: wrap; gap: 10px; }
.botonera { display: flex; flex-wrap: wrap; gap: 8px; }
.aviso-peligro { background: color-mix(in srgb, var(--error) 14%, var(--surface)); color: var(--error-texto); border: 1px solid color-mix(in srgb, var(--error) 40%, var(--surface)); padding: 8px 12px; border-radius: 8px; font-weight: 600; }
.preview { font: 12px/1.5 Consolas, "Cascadia Mono", monospace; background: var(--surface-2); border: 1px solid var(--borde); border-radius: 8px; padding: 8px 10px; white-space: pre-wrap; word-break: break-all; color: var(--texto); }
.bloqueado { background: var(--surface-2); border: 1px dashed var(--borde); border-radius: 8px; padding: 8px 10px; color: var(--texto-2); white-space: pre-wrap; font-family: Consolas, monospace; font-size: 12.5px; }

dialog.dlg-editor { width: min(1100px, calc(100vw - 24px)); height: min(860px, calc(100vh - 24px)); padding: 0; display: none; }
dialog.dlg-editor[open] { display: flex; flex-direction: column; }
dialog.dlg-sub { width: min(720px, calc(100vw - 24px)); padding: 0; }
dialog.dlg-sub[open] { display: flex; flex-direction: column; }
dialog.dlg-editor .dlg-cab, dialog.dlg-sub .dlg-cab { padding: 14px 18px; border-bottom: 1px solid var(--borde); }
.editor-cuerpo { padding: 14px 18px; overflow: auto; flex: 1; }
.dlg-pie { padding: 12px 18px; border-top: 1px solid var(--borde); display: flex; gap: 8px; justify-content: flex-end; align-items: center; flex-wrap: wrap; }
.dlg-pie .espacio { flex: 1; }
.subtabs { display: flex; gap: 2px; border-bottom: 1px solid var(--borde); margin-bottom: 14px; overflow-x: auto; }
.subtabs button {
  font: inherit; background: transparent; border: 0; border-bottom: 2px solid transparent; color: var(--texto-2);
  padding: 8px 12px; cursor: pointer; white-space: nowrap;
}
.subtabs button.activo { color: var(--texto); border-bottom-color: var(--acento); font-weight: 600; }

/* Apariencia */
.presets { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 10px; margin-bottom: 16px; }
.preset { border: 1px solid var(--borde); border-radius: 10px; padding: 10px; cursor: pointer; background: var(--surface); text-align: left; font: inherit; color: var(--texto); }
.preset:hover { border-color: var(--acento); }
.preset.activo { outline: 2px solid var(--acento); }
.preset .muestras { display: flex; gap: 3px; margin: 8px 0 4px; }
.preset .muestras i { flex: 1; height: 18px; border-radius: 4px; border: 1px solid rgba(128,128,128,.3); }
.preset small { color: var(--muted); }
.paletas { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.paleta { border: 1px solid var(--borde); border-radius: 10px; padding: 12px; }
.paleta h3 { margin: 0 0 10px; font-size: 14px; }
.color-fila { display: grid; grid-template-columns: 1fr auto 90px; gap: 8px; align-items: center; padding: 3px 0; }
.color-fila input[type=color] { width: 40px; height: 28px; padding: 0 2px; border-radius: 6px; cursor: pointer; }
.color-fila input[type=text] { font-family: Consolas, monospace; font-size: 12.5px; padding: 4px 6px; min-height: 28px; }
.contrastes { margin-top: 10px; font-size: 12.5px; display: grid; gap: 3px; }
.contrastes .ok { color: var(--ok-texto); } .contrastes .mal { color: var(--error-texto); font-weight: 600; }
.muestra-tema { border-radius: 8px; overflow: hidden; border: 1px solid rgba(128,128,128,.35); margin-top: 10px; font-size: 12px; }
.muestra-tema .mt-cab { padding: 6px 10px; color: #fff; font-weight: 600; }
.muestra-tema .mt-cuerpo { padding: 8px 10px; display: grid; gap: 6px; }
.muestra-tema .mt-panel { padding: 8px; border-radius: 6px; border: 1px solid; }
.muestra-tema .mt-barra { height: 16px; border-radius: 4px; position: relative; overflow: hidden; }
.muestra-tema .mt-barra > div { position: absolute; inset: 0 40% 0 0; }
.muestra-tema .mt-barra span { position: relative; padding: 0 6px; line-height: 16px; }

@media (max-width: 860px) {
  .config { grid-template-columns: 1fr; }
  .config-menu { position: static; flex-direction: row; overflow-x: auto; }
  .config-menu button { border-left: 0; border-bottom: 3px solid transparent; white-space: nowrap; }
  .config-menu button.activo { border-bottom-color: var(--acento); }
  .form { grid-template-columns: 1fr; }
  .form label.etq { padding-top: 0; }
  .paletas { grid-template-columns: 1fr; }
}