:root {
  --bg: #f3f5f9;
  --card: #ffffff;
  --text: #142033;
  --muted: #5f6b7d;
  --line: #e2e7ef;
  --navy: #0f2b4c;
  --navy-2: #173b63;
  --brand: #1d5fa8;
  --brand-soft: #e8f0fb;
  --gold: #c99a2e;
  --red: #c8102e;
  --red-soft: #fdecee;
  --amber: #a35a00;
  --amber-soft: #fff3e0;
  --green: #12804a;
  --green-soft: #e5f6ec;
  --cat-obras: #1d5fa8;
  --cat-mant: #d27a0f;
  --cat-ing: #0f8a7a;
  --shadow: 0 1px 2px rgba(16, 32, 56, .06), 0 4px 14px rgba(16, 32, 56, .06);
  --shadow-hover: 0 2px 4px rgba(16, 32, 56, .08), 0 10px 26px rgba(16, 32, 56, .12);
  --radius: 14px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0d131c;
    --card: #151d29;
    --text: #e8edf4;
    --muted: #97a3b6;
    --line: #253043;
    --navy: #0a1a2e;
    --navy-2: #12304f;
    --brand: #6ea8ff;
    --brand-soft: #182a44;
    --gold: #e0b453;
    --red: #ff6b7f;
    --red-soft: #3a1c23;
    --amber: #f2b350;
    --amber-soft: #352914;
    --green: #5fd393;
    --green-soft: #15301f;
    --cat-obras: #6ea8ff;
    --cat-mant: #f2a24a;
    --cat-ing: #4fd1bd;
    --shadow: 0 1px 2px rgba(0, 0, 0, .3);
    --shadow-hover: 0 6px 20px rgba(0, 0, 0, .45);
  }
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font: 15px/1.5 Inter, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3 { margin: 0 0 .4em; line-height: 1.25; }
h3 { font-size: .95rem; margin-top: 1.6em; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); }
.muted { color: var(--muted); margin: 0; }
button { font: inherit; cursor: pointer; }
input, select {
  font: inherit; color: var(--text); background: var(--card);
  border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; min-width: 0; width: 100%;
}
input:focus, select:focus, button:focus-visible { outline: 2px solid var(--brand); outline-offset: 1px; }

/* ---------- encabezado ---------- */
.top {
  position: sticky; top: 0; z-index: 10;
  background: linear-gradient(135deg, var(--navy), var(--navy-2));
  color: #fff;
  box-shadow: 0 2px 12px rgba(0, 0, 0, .15);
}
.top-inner {
  max-width: 1120px; margin: 0 auto; padding: 14px 20px 10px;
  display: flex; flex-wrap: wrap; gap: 8px 20px; align-items: center; justify-content: space-between;
}
.brand { display: flex; gap: 12px; align-items: center; }
.logo {
  display: grid; place-items: center; width: 40px; height: 40px; border-radius: 10px;
  background: var(--gold); color: var(--navy); font-weight: 800; font-size: 22px; letter-spacing: -.02em;
}
.brand h1 { font-size: 1.2rem; margin: 0; letter-spacing: .06em; font-weight: 800; }
.brand h1 span { font-weight: 400; letter-spacing: .02em; color: #cfdcef; }
.sub { margin: 0; font-size: 12.5px; color: #b9c8dd; }
.estado { margin: 0; font-size: 12.5px; color: #b9c8dd; }
.top-derecha { display: flex; align-items: center; gap: 14px; }
.btn-salir { background: transparent; color: #dbe5f3; border: 1px solid rgba(255,255,255,.3); border-radius: 8px; padding: 5px 12px; font-size: 13px; font-weight: 600; }
.btn-salir:hover { background: rgba(255,255,255,.1); }
.tabs { max-width: 1120px; margin: 0 auto; padding: 0 12px; display: flex; gap: 2px; overflow-x: auto; }
.tabs button {
  border: 0; background: transparent; color: #b9c8dd; white-space: nowrap;
  padding: 10px 14px 12px; font-weight: 600; border-bottom: 3px solid transparent;
}
.tabs button:hover { color: #fff; }
.tabs button.active { color: #fff; border-bottom-color: var(--gold); }
.badge:empty { display: none; }
.badge {
  display: inline-block; min-width: 19px; padding: 0 6px; margin-left: 4px;
  border-radius: 10px; font-size: 11px; line-height: 19px; text-align: center; font-weight: 700;
  background: rgba(255, 255, 255, .18); color: inherit;
}
.badge.alert { background: var(--red); color: #fff; }

main { max-width: 1120px; margin: 0 auto; padding: 22px 20px 40px; }
.tab { display: none; }
.tab.active { display: block; animation: aparecer .18s ease-out; }
@keyframes aparecer { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }
.titulo-seccion { font-size: 1.25rem; font-weight: 700; margin: 0; }

/* ---------- indicadores ---------- */
.kpis { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-bottom: 22px; }
.kpi {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 14px 16px; box-shadow: var(--shadow); text-align: left; color: inherit;
}
button.kpi:hover { border-color: var(--brand); }
.kpi strong { display: block; font-size: 1.6rem; line-height: 1.1; font-weight: 700; }
.kpi span { font-size: 12.5px; color: var(--muted); }
.kpi.acento strong { color: var(--brand); }
.kpi.urgente strong { color: var(--red); }
.kpi.fav strong { color: var(--gold); }
@media (max-width: 720px) { .kpis { grid-template-columns: repeat(2, 1fr); } }

/* ---------- barra y filtros ---------- */
.barra { display: flex; justify-content: space-between; align-items: flex-end; gap: 12px; margin-bottom: 12px; flex-wrap: wrap; }
.btn-ghost {
  background: var(--card); color: var(--text); border: 1px solid var(--line);
  padding: 9px 14px; border-radius: 10px; font-weight: 600; box-shadow: var(--shadow);
}
.btn-ghost:hover { border-color: var(--brand); color: var(--brand); }
.btn-ghost .badge { background: var(--brand); color: #fff; }
.btn-link { border: 0; background: none; color: var(--brand); padding: 0; font-weight: 600; }
.btn-primary {
  background: var(--brand); color: #fff; border: 0; padding: 11px 16px; border-radius: 10px; font-weight: 600;
}
.btn-primary:hover { filter: brightness(1.08); }
.btn-primary[disabled] { opacity: .55; cursor: not-allowed; }

.filtros {
  display: grid; gap: 10px; grid-template-columns: 2fr 1fr 1fr;
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 14px; margin-bottom: 16px; box-shadow: var(--shadow);
}
.filtros[hidden] { display: none; }
.filtros input[name=q] { grid-column: 1 / -1; font-size: 16px; }
.filtros-acciones { grid-column: 1 / -1; display: flex; gap: 18px; justify-content: flex-end; flex-wrap: wrap; }
@media (max-width: 720px) { .filtros { grid-template-columns: 1fr 1fr; } }
.check { display: flex; gap: 8px; align-items: center; white-space: nowrap; }
.check input { width: auto; }

/* ---------- lista ---------- */
.lista { display: grid; gap: 10px; }
.grupo-fecha {
  margin: 14px 2px 2px; font-size: 12px; font-weight: 700; letter-spacing: .06em;
  text-transform: uppercase; color: var(--muted);
}
.grupo-fecha:first-child { margin-top: 0; }
.card {
  position: relative; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 14px 16px 14px 20px; display: grid; grid-template-columns: 1fr auto; gap: 8px 18px;
  cursor: pointer; box-shadow: var(--shadow); transition: box-shadow .15s, transform .15s, border-color .15s;
  overflow: hidden;
}
.card::before { content: ""; position: absolute; inset: 0 auto 0 0; width: 5px; background: var(--cat, var(--brand)); }
.card[data-cat="Obras"] { --cat: var(--cat-obras); }
.card[data-cat="Mantenimiento y reparación"] { --cat: var(--cat-mant); }
.card[data-cat="Ingeniería y supervisión"] { --cat: var(--cat-ing); }
.card:hover { box-shadow: var(--shadow-hover); transform: translateY(-1px); border-color: transparent; }
.card-top { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin-bottom: 4px; }
.card h3 { margin: 0; font-size: 1rem; font-weight: 600; text-transform: none; letter-spacing: 0; color: var(--text); }
.card .inst { color: var(--muted); font-size: 13.5px; margin-top: 4px; }
.card .meta { color: var(--muted); font-size: 12.5px; display: flex; flex-wrap: wrap; gap: 4px 12px; margin-top: 6px; }
.card .lado { text-align: right; display: flex; flex-direction: column; align-items: flex-end; justify-content: space-between; gap: 8px; }
.monto { font-weight: 700; white-space: nowrap; font-size: 1.05rem; }
.chip { display: inline-block; padding: 2px 9px; border-radius: 999px; font-size: 11.5px; font-weight: 600; background: var(--brand-soft); color: var(--brand); white-space: nowrap; }
.chip.cat { background: color-mix(in srgb, var(--cat, var(--brand)) 14%, transparent); color: var(--cat, var(--brand)); }
.chip.nueva { background: var(--gold); color: #1b1300; }
.chip.rojo { background: var(--red-soft); color: var(--red); }
.chip.ambar { background: var(--amber-soft); color: var(--amber); }
.chip.verde { background: var(--green-soft); color: var(--green); }
.chip.gris { background: var(--line); color: var(--muted); }
.estrella {
  border: 1px solid var(--line); background: var(--card); color: var(--muted);
  width: 36px; height: 36px; border-radius: 50%; font-size: 18px; line-height: 1; display: grid; place-items: center;
}
.estrella:hover { border-color: var(--gold); color: var(--gold); }
.estrella.on { color: var(--gold); border-color: var(--gold); background: color-mix(in srgb, var(--gold) 12%, transparent); }
.nota { font-size: 13px; color: var(--text); background: var(--bg); border-radius: 8px; padding: 6px 10px; margin-top: 8px; }
@media (max-width: 600px) {
  .card { grid-template-columns: 1fr; }
  .card .lado { flex-direction: row; align-items: center; text-align: left; }
}

.paginas { display: flex; gap: 8px; justify-content: center; align-items: center; margin: 22px 0; color: var(--muted); }
.paginas button { border: 1px solid var(--line); background: var(--card); color: var(--text); border-radius: 10px; padding: 8px 14px; font-weight: 600; }
.paginas button[disabled] { opacity: .4; cursor: default; }
.vacio { text-align: center; color: var(--muted); padding: 44px 16px; background: var(--card); border: 1px dashed var(--line); border-radius: var(--radius); }

/* ---------- alertas ---------- */
.dos-col { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
@media (max-width: 860px) { .dos-col { grid-template-columns: 1fr; } }
.panel { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; box-shadow: var(--shadow); }
.panel .muted { margin: 4px 0 14px; }
.form { display: grid; gap: 12px; }
.form label { display: grid; gap: 5px; font-size: 13px; color: var(--muted); font-weight: 500; }
.form label.check { display: flex; color: var(--text); }
.fila { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.alerta, .notif {
  background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px; margin-bottom: 8px;
  display: flex; justify-content: space-between; gap: 12px; align-items: center; box-shadow: var(--shadow);
}
.alerta small, .notif small { color: var(--muted); display: block; margin-top: 2px; }
.notif { cursor: pointer; }
.notif:hover { border-color: var(--brand); }
.notif.nueva { border-left: 4px solid var(--red); }
.h-row { display: flex; justify-content: space-between; align-items: baseline; gap: 10px; margin-bottom: 12px; }
.borrar { border: 0; background: none; color: var(--muted); font-size: 17px; }
#permiso-notif { margin-top: 8px; }

/* ---------- detalle ---------- */
dialog {
  width: min(880px, 100% - 24px); max-height: calc(100% - 40px);
  border: 0; border-radius: 18px; padding: 0; background: var(--card); color: var(--text); box-shadow: 0 20px 60px rgba(0,0,0,.35);
}
dialog::backdrop { background: rgba(8, 16, 30, .6); backdrop-filter: blur(2px); }
.det-head { position: sticky; top: 0; display: flex; justify-content: flex-end; padding: 12px 12px 0; background: var(--card); z-index: 1; }
.cerrar { border: 0; background: var(--bg); color: var(--text); width: 36px; height: 36px; border-radius: 50%; }
#det-body { padding: 0 28px 28px; }
#det-body h3 { margin-top: 1.8em; }
.det-titulo { font-size: 1.35rem; margin: 6px 0 8px; }
.det-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 10px; margin: 16px 0; }
.det-grid div { background: var(--bg); border-radius: 10px; padding: 10px 12px; }
.det-grid small { display: block; color: var(--muted); font-size: 12px; margin-bottom: 2px; }
.acciones { display: flex; flex-wrap: wrap; gap: 8px; margin: 16px 0; }
.acciones a { text-decoration: none; display: inline-block; }
.resumen { background: var(--brand-soft); border-radius: 12px; padding: 16px 20px; margin: 14px 0; }
.resumen h2 { font-size: 1rem; margin: 1em 0 .3em; color: var(--brand); }
.resumen h2:first-child { margin-top: 0; }
.resumen ul { padding-left: 20px; margin: .3em 0; }
.resumen p { margin: .4em 0; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { text-align: left; padding: 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-weight: 600; }
td.num { text-align: right; white-space: nowrap; }
.tabla-wrap { overflow-x: auto; }
.docs { padding-left: 18px; }
.docs li { margin: 4px 0; }
.docs a { color: var(--brand); }
textarea { width: 100%; font: inherit; color: var(--text); background: var(--bg); border: 1px solid var(--line); border-radius: 10px; padding: 10px; min-height: 70px; }
.cargando { color: var(--muted); padding: 40px 0; text-align: center; }

.toast {
  position: fixed; bottom: 22px; left: 50%; transform: translateX(-50%);
  background: var(--navy); color: #fff; padding: 11px 18px; border-radius: 10px; z-index: 50;
  max-width: calc(100% - 32px); box-shadow: 0 8px 24px rgba(0,0,0,.25); font-weight: 500;
}