/*
 * styles.css — Portal de gestion del servicio
 *
 * Sin dependencias ni fuentes externas: la CSP del servidor prohibe cargar
 * cualquier cosa de fuera, y una tipografia de sistema carga instantanea y no
 * filtra la visita a un tercero.
 *
 * Los colores se definen como variables en :root y se redefinen para modo
 * oscuro. Ningun color se declara SOLO dentro del bloque oscuro: si se hiciera,
 * el tema claro se quedaria sin ese valor.
 */

:root {
  --paper: #f5f7f8;
  --surface: #ffffff;
  --surface-2: #eceff1;
  --ink: #10181c;
  --ink-2: #3c4a50;
  --ink-3: #6b797f;
  --rule: #d7dee1;
  --rule-soft: #e7ecee;
  --accent: #0b5563;
  --accent-soft: #dfebee;
  --ok: #1a6d47;
  --ok-soft: #ddefe5;
  --warn: #8a5804;
  --warn-soft: #f9ecd6;
  --bad: #9c2b21;
  --bad-soft: #f9e2df;
  --shadow: 0 1px 2px rgba(16, 24, 28, .05), 0 8px 24px -14px rgba(16, 24, 28, .2);
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #0b1113;
    --surface: #131c1f;
    --surface-2: #1b2528;
    --ink: #e7edee;
    --ink-2: #b2c0c3;
    --ink-3: #82918f;
    --rule: #283437;
    --rule-soft: #1e2a2c;
    --accent: #58b2c0;
    --accent-soft: #122e33;
    --ok: #63c68c;
    --ok-soft: #11291d;
    --warn: #dfae5c;
    --warn-soft: #2c2312;
    --bad: #e88176;
    --bad-soft: #2e1613;
    --shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 8px 24px -14px rgba(0, 0, 0, .6);
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 16px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

main {
  max-width: 68rem;
  margin: 0 auto;
  padding: 2rem 1.25rem 4rem;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

h1 { font-size: clamp(1.5rem, 4vw, 2.1rem); line-height: 1.15; margin: 0; text-wrap: balance; }
h2 { font-size: 1.1rem; margin: 0 0 .75rem; letter-spacing: -.01em; }
p { margin: 0; max-width: 64ch; }
a { color: var(--accent); }
a:focus-visible, button:focus-visible, select:focus-visible, input:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.sub { color: var(--ink-3); font-size: .95rem; }
.nota { color: var(--ink-3); font-size: .82rem; margin-top: .5rem; }
.empty { color: var(--ink-3); font-style: italic; }

/* ---------- barra superior ---------- */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  padding: .75rem 1.25rem;
  background: var(--surface);
  border-bottom: 1px solid var(--rule);
}
.brand { font-weight: 600; text-decoration: none; color: var(--ink); }
.who { display: flex; align-items: center; gap: .75rem; font-size: .88rem; color: var(--ink-3); }
.who .ctx {
  background: var(--accent-soft);
  color: var(--accent);
  padding: .15rem .5rem;
  border-radius: 3px;
  font-weight: 500;
}
.who form { margin: 0; }
.who button {
  background: none;
  border: 1px solid var(--rule);
  color: var(--ink-2);
  border-radius: 4px;
  padding: .25rem .6rem;
  cursor: pointer;
  font: inherit;
  font-size: .85rem;
}
.who button:hover { background: var(--surface-2); }

/* ---------- login ---------- */
.login {
  max-width: 24rem;
  margin: 4rem auto 0;
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: 8px;
  box-shadow: var(--shadow);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.login form { display: flex; flex-direction: column; gap: .9rem; }
.login label, .periodos label { display: flex; flex-direction: column; gap: .3rem; font-size: .85rem; color: var(--ink-2); }
.login input, .periodos select {
  font: inherit;
  padding: .55rem .65rem;
  border: 1px solid var(--rule);
  border-radius: 5px;
  background: var(--paper);
  color: var(--ink);
}
.login button {
  font: inherit;
  font-weight: 600;
  padding: .6rem;
  border: none;
  border-radius: 5px;
  background: var(--accent);
  color: var(--surface);
  cursor: pointer;
}

.error, .notice, .warn-box {
  font-size: .88rem;
  padding: .65rem .8rem;
  border-radius: 5px;
  max-width: none;
}
.error { background: var(--bad-soft); color: var(--bad); }
.notice { background: var(--accent-soft); color: var(--accent); }
.warn-box { background: var(--warn-soft); color: var(--warn); }

/* ---------- tarjetas de indicadores ---------- */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(11rem, 1fr));
  gap: .75rem;
}
.card {
  background: var(--surface);
  border: 1px solid var(--rule);
  border-left: 3px solid var(--rule);
  border-radius: 5px;
  padding: .85rem 1rem;
  display: flex;
  flex-direction: column;
  gap: .15rem;
}
.card.ok   { border-left-color: var(--ok); }
.card.warn { border-left-color: var(--warn); }
.card.bad  { border-left-color: var(--bad); }
.card-label { font-size: .74rem; text-transform: uppercase; letter-spacing: .06em; color: var(--ink-3); }
.card-value { font-size: 1.6rem; font-weight: 600; font-variant-numeric: tabular-nums; line-height: 1.1; }
.card.ok .card-value   { color: var(--ok); }
.card.warn .card-value { color: var(--warn); }
.card.bad .card-value  { color: var(--bad); }
.card-hint { font-size: .78rem; color: var(--ink-3); }

/* ---------- tablas ---------- */
table { border-collapse: collapse; width: 100%; font-size: .9rem; }
.listado, .dist {
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: 5px;
  overflow: hidden;
}
th, td { text-align: left; padding: .55rem .75rem; border-bottom: 1px solid var(--rule-soft); }
thead th {
  font-size: .74rem;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--ink-3);
  font-weight: 500;
  background: var(--surface-2);
}
tbody tr:last-child td { border-bottom: none; }
td.n { text-align: right; font-variant-numeric: tabular-nums; width: 5rem; }
td.bar { width: 40%; }
td.bar span {
  display: block;
  height: .5rem;
  background: var(--accent);
  border-radius: 2px;
  min-width: 2px;
  opacity: .75;
}

.dos-columnas { display: grid; grid-template-columns: repeat(auto-fit, minmax(20rem, 1fr)); gap: 1.5rem; }
.dos-columnas > div > h2 { margin-top: 0; }

/* ---------- riesgos ---------- */
.riesgos { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: .6rem; }
.riesgos li {
  background: var(--surface);
  border: 1px solid var(--rule);
  border-left: 3px solid var(--ink-3);
  border-radius: 5px;
  padding: .75rem .9rem;
  display: flex;
  flex-direction: column;
  gap: .25rem;
}
.riesgos .sev-alta  { border-left-color: var(--bad); }
.riesgos .sev-media { border-left-color: var(--warn); }
.riesgos .sev-baja  { border-left-color: var(--ok); }
.riesgos .ev, .riesgos .mit { font-size: .85rem; color: var(--ink-2); }
.riesgos .mit { color: var(--ink-3); }

/* ---------- varios ---------- */
.periodos { display: flex; align-items: end; gap: .6rem; }
.back { font-size: .85rem; text-decoration: none; }
.back::before { content: "\2190\00a0"; }

.avisos {
  background: var(--surface-2);
  border: 1px solid var(--rule);
  border-radius: 5px;
  padding: .6rem .9rem;
  font-size: .85rem;
  color: var(--ink-2);
}
.avisos summary { cursor: pointer; color: var(--ink-3); }
.avisos ul { margin: .6rem 0 0; padding-left: 1.1rem; display: flex; flex-direction: column; gap: .35rem; }

.pie {
  max-width: 68rem;
  margin: 0 auto;
  padding: 1rem 1.25rem 2.5rem;
  font-size: .8rem;
  color: var(--ink-3);
  border-top: 1px solid var(--rule);
}

@media (max-width: 34rem) {
  main { padding: 1.25rem 1rem 3rem; gap: 1.5rem; }
  .login { margin-top: 1.5rem; padding: 1.5rem; }
}