:root {
  color-scheme: light dark;
  --bg: #f4f6f8;
  --card: #ffffff;
  --text: #17202a;
  --muted: #667085;
  --line: #d9e0e8;
  --accent: #0f766e;
  --accent-soft: #d9f3ef;
  --warn: #b7791f;
  --warn-soft: #fff3cd;
  --danger: #b42318;
  --danger-soft: #fee4e2;
  --neutral-soft: #eef2f6;
  --shadow: 0 16px 45px rgba(15, 23, 42, .10);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0e141b;
    --card: #15202b;
    --text: #edf2f7;
    --muted: #a7b3c2;
    --line: #263747;
    --accent: #5eead4;
    --accent-soft: #123c39;
    --warn: #f6c45f;
    --warn-soft: #3b2f14;
    --danger: #ffb4ab;
    --danger-soft: #4a1714;
    --neutral-soft: #202c38;
    --shadow: 0 16px 45px rgba(0, 0, 0, .32);
  }
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
}

.hero {
  padding: 22px 18px 18px;
  background: linear-gradient(135deg, #0f766e, #164e63);
  color: white;
  display: flex;
  gap: 14px;
  justify-content: space-between;
  align-items: flex-start;
}

.hero h1 { margin: 3px 0 6px; font-size: clamp(1.65rem, 6vw, 2.4rem); line-height: 1.05; }
.eyebrow { margin: 0; font-size: .75rem; letter-spacing: .11em; text-transform: uppercase; opacity: .78; font-weight: 700; }
.cutoff { margin: 0; font-size: 1rem; font-weight: 650; }
.hero-badge {
  flex: 0 0 auto;
  font-size: .72rem;
  border: 1px solid rgba(255,255,255,.35);
  border-radius: 999px;
  padding: 7px 9px;
  margin-top: 3px;
  opacity: .92;
}

.container { width: min(100%, 980px); margin: 0 auto; padding: 14px; }
.stack { display: flex; flex-direction: column; gap: 14px; }
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 22px;
  box-shadow: var(--shadow);
  padding: 16px;
}
.card-head { display: flex; gap: 12px; justify-content: space-between; align-items: flex-start; }
.card h2 { margin: 2px 0 2px; font-size: 1.35rem; }
.card h3 { margin: 18px 0 8px; font-size: .98rem; }
.muted { margin: 0; color: var(--muted); }
.badge { display: inline-flex; align-items: center; border-radius: 999px; padding: 6px 9px; font-weight: 700; font-size: .74rem; white-space: nowrap; }
.badge-ok { color: #0f766e; background: var(--accent-soft); }
.badge-stale { color: var(--warn); background: var(--warn-soft); }
.badge-normal { color: #0f766e; background: var(--accent-soft); }
.badge-revisar { color: var(--warn); background: var(--warn-soft); }
.badge-critico { color: var(--danger); background: var(--danger-soft); }
.badge-pendiente { color: var(--muted); background: var(--neutral-soft); }
.badge-pendiente-umbrales { color: var(--muted); background: var(--neutral-soft); }
.badge-amarillo { color: var(--warn); background: var(--warn-soft); }
.badge-rojo { color: var(--danger); background: var(--danger-soft); }

.kpi-grid { display: grid; grid-template-columns: 1fr; gap: 10px; margin: 16px 0; }
.kpi { border: 1px solid var(--line); border-radius: 18px; padding: 14px; background: color-mix(in srgb, var(--card) 92%, var(--accent-soft)); }
.kpi-label { color: var(--muted); font-size: .78rem; font-weight: 700; text-transform: uppercase; letter-spacing: .05em; }
.kpi-value { font-size: 2rem; line-height: 1; margin-top: 7px; font-weight: 820; }
.kpi-subtext { color: var(--muted); margin-top: 7px; font-size: .86rem; }
.summary { margin: 8px 0 2px; line-height: 1.45; font-weight: 560; }

.section-stack { display: flex; flex-direction: column; gap: 10px; margin-top: 12px; }
.table-section { border: 1px solid var(--line); border-radius: 16px; background: color-mix(in srgb, var(--card) 94%, var(--neutral-soft)); overflow: hidden; }
.table-section summary { cursor: pointer; list-style: none; display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 12px 14px; font-weight: 800; }
.table-section summary::-webkit-details-marker { display: none; }
.table-section summary::before { content: "▸"; color: var(--muted); transition: transform .14s ease; }
.table-section[open] summary::before { transform: rotate(90deg); }
.table-section .table-wrap { border-left: 0; border-right: 0; border-bottom: 0; border-radius: 0; }
.subrow td { padding: 0 12px 10px; border-bottom-color: color-mix(in srgb, var(--line) 70%, transparent); }
.subdetails { border: 1px dashed var(--line); border-radius: 12px; background: color-mix(in srgb, var(--card) 88%, var(--neutral-soft)); }
.subdetails summary { cursor: pointer; padding: 9px 11px; color: var(--muted); font-size: .82rem; font-weight: 800; }
.tag-list { display: flex; flex-wrap: wrap; gap: 6px; padding: 0 10px 10px; }
.tag-list span { border-radius: 999px; background: var(--neutral-soft); padding: 5px 8px; font-size: .78rem; font-weight: 650; }
.subempty { padding: 0 10px 10px; font-size: .82rem; }
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 14px; }
table { width: 100%; border-collapse: collapse; min-width: 340px; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); font-size: .9rem; white-space: nowrap; }
th { color: var(--muted); font-size: .75rem; text-transform: uppercase; letter-spacing: .05em; }
tr:last-child td { border-bottom: 0; }
td:first-child { font-weight: 700; }
td:first-child:has(+ td) { border-left: 4px solid transparent; }
.class-list { list-style: none; padding: 0; margin: 0; border: 1px solid var(--line); border-radius: 14px; overflow: hidden; }
.class-list li { display: flex; justify-content: space-between; gap: 12px; padding: 10px 12px; border-bottom: 1px solid var(--line); }
.class-list li:last-child { border-bottom: 0; }
.card-foot, .page-foot { color: var(--muted); font-size: .78rem; }
.card-foot { display: flex; flex-direction: column; gap: 5px; margin-top: 16px; }
.page-foot { text-align: center; padding: 4px 14px 20px; }

@media (min-width: 720px) {
  .hero { padding: 28px 32px; }
  .container { padding: 24px; }
  .card { padding: 22px; }
  .stack { gap: 18px; }
  .kpi-grid { grid-template-columns: repeat(3, 1fr); }
  .split { display: grid; grid-template-columns: 1.3fr .7fr; gap: 18px; align-items: start; }
  .card-foot { flex-direction: row; justify-content: space-between; }
}