:root {
  --bg: #f6f7f4;
  --surface: #ffffff;
  --surface-2: #eef1ea;
  --text: #1d231c;
  --muted: #5d6858;
  --border: #d9dfd3;
  --accent: #2f7d4f;
  --accent-ink: #ffffff;
  --accent-soft: #e2f1e7;
  --warn: #b26b00;
  --warn-soft: #fff1d9;
  --danger: #b3261e;
  --danger-soft: #fde7e5;
  --info: #2a5fa8;
  --info-soft: #e3ecf8;
  --radius: 12px;
  --shadow: 0 1px 2px rgba(0, 0, 0, .06), 0 4px 14px rgba(0, 0, 0, .05);
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121511;
    --surface: #1b1f1a;
    --surface-2: #232822;
    --text: #e8ece5;
    --muted: #9ba797;
    --border: #333a31;
    --accent: #5cc184;
    --accent-ink: #0d1a12;
    --accent-soft: #1f3527;
    --warn: #f0b252;
    --warn-soft: #3a2c12;
    --danger: #f2867d;
    --danger-soft: #3d1c1a;
    --info: #86b1ec;
    --info-soft: #1b2a3f;
    --shadow: none;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
a { color: var(--accent); }
h1, h2, h3 { line-height: 1.2; margin: 0 0 .5em; }
h1 { font-size: 1.5rem; }
h2 { font-size: 1.2rem; }
h3 { font-size: 1rem; }

.topbar {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 16px; background: var(--surface); border-bottom: 1px solid var(--border);
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; text-decoration: none; color: var(--text); }
.brand-mark {
  width: 32px; height: 32px; border-radius: 8px; background: var(--accent); color: var(--accent-ink);
  display: grid; place-items: center; font-size: 15px;
}
.topbar .spacer { flex: 1; }
.demo-badge { font-size: 12px; padding: 2px 8px; border-radius: 99px; background: var(--warn-soft); color: var(--warn); }

.container { max-width: 760px; margin: 0 auto; padding: 20px 16px 48px; }
.container.wide { max-width: 1400px; }

.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--border); margin-bottom: 20px; overflow-x: auto; }
.tab {
  appearance: none; background: none; border: 0; padding: 10px 14px; font: inherit; color: var(--muted);
  border-bottom: 2px solid transparent; cursor: pointer; white-space: nowrap;
}
.tab[aria-selected="true"] { color: var(--text); border-bottom-color: var(--accent); font-weight: 600; }

.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow); }
.card + .card { margin-top: 16px; }

.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }
.field label, .label { font-weight: 600; font-size: 14px; }
.hint { font-size: 13px; color: var(--muted); }
.row { display: grid; grid-template-columns: 1fr 1fr; gap: 0 16px; }
@media (max-width: 560px) { .row { grid-template-columns: 1fr; } }

input, select, textarea {
  font: inherit; color: var(--text); background: var(--surface); border: 1px solid var(--border);
  border-radius: 8px; padding: 10px 12px; width: 100%;
}
textarea { min-height: 96px; resize: vertical; }
input:focus, select:focus, textarea:focus, button:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }

.choice { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 20px; }
@media (max-width: 480px) { .choice { grid-template-columns: 1fr; } }
.choice label {
  display: flex; gap: 10px; align-items: flex-start; padding: 14px; border: 1px solid var(--border);
  border-radius: 10px; cursor: pointer; background: var(--surface);
}
.choice input { width: auto; margin-top: 4px; }
.choice label:has(input:checked) { border-color: var(--accent); background: var(--accent-soft); }
.choice strong { display: block; }

.btn {
  appearance: none; border: 1px solid var(--border); background: var(--surface); color: var(--text);
  font: inherit; font-weight: 600; padding: 9px 16px; border-radius: 8px; cursor: pointer;
}
.btn:hover { background: var(--surface-2); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn.primary:hover { filter: brightness(1.05); }
.btn.danger { color: var(--danger); }
.btn.small { padding: 5px 10px; font-size: 13px; }
.btn:disabled { opacity: .6; cursor: default; }

.suggest {
  margin-top: 8px; padding: 12px 14px; border-radius: 10px; background: var(--accent-soft);
  font-size: 14px;
}
.suggest .total { font-size: 18px; font-weight: 700; }
.suggest ul { margin: 6px 0 0; padding-left: 18px; color: var(--muted); }

.notice { padding: 12px 14px; border-radius: 10px; background: var(--info-soft); color: var(--info); font-size: 14px; }
.notice.error { background: var(--danger-soft); color: var(--danger); }
.notice.ok { background: var(--accent-soft); color: var(--accent); }

.code-big { font-size: 28px; font-weight: 800; letter-spacing: .04em; }
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; margin-bottom: 16px; }
.stat { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; }
.stat .n { font-size: 32px; font-weight: 800; }
.stat .l { color: var(--muted); font-size: 14px; }

.hidden { display: none !important; }


/* Asistencia: extensiones sobre el CSS compartido con Solicitud impresiones. */
[hidden] { display: none !important; }
fieldset { border: 0; padding: 0; margin: 0; min-width: 0; }
legend { font-weight: 600; font-size: 14px; margin-bottom: 10px; }
input[type=checkbox], input[type=radio] { accent-color: var(--accent); }
.trap { position: absolute; left: -9999px; }
footer { display: flex; flex-wrap: wrap; gap: 24px; margin-top: 24px; font-size: 13px; }
.login { max-width: 420px; margin: 60px auto; text-align: center; }
#gsi-button { display: flex; justify-content: center; margin: 20px 0; }
.filters { display: flex; gap: 16px; flex-wrap: wrap; align-items: end; }
.filters .field { flex: 1; min-width: 140px; margin: 0; }
.charts { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.chart { min-width: 0; }
.charts .card + .card { margin-top: 0; }
.plot { height: 270px; }
.stat b { display: block; font-size: 32px; font-weight: 800; }
.poster { max-width: 680px; margin: 40px auto; padding: 45px; text-align: center; }
.poster h1 { font-size: 36px; }
#qr { display: flex; justify-content: center; padding: 16px; background: white; margin: 24px auto; width: fit-content; }
#qr img { max-width: 100%; height: auto; }
.url { overflow-wrap: anywhere; }
.consent { grid-template-columns: 1fr; margin-top: 16px; }
@media(max-width: 760px) { .charts { grid-template-columns: 1fr; } .topbar { flex-wrap: wrap; } .poster { margin: 20px 12px; padding: 20px; } }
@media print { :root { --surface: white; --text: black; color-scheme: light; } body { background: white; color: black; } .topbar,.no-print { display: none !important; } .poster { border: 0; box-shadow: none; max-width: none; margin: 0; padding: 25mm 10mm; } .poster h1 { font-size: 40pt; } }

/* Logo Biomaker */
.brand-logo { height: 36px; width: auto; display: block; }
.page-logo { display: block; width: 140px; height: auto; margin: 4px auto 12px; }
.poster-logo { display: block; width: 220px; height: auto; margin: 0 auto 12px; }
@media (prefers-color-scheme: dark) {
  /* El logo es azul marino: en modo oscuro se apoya sobre un fondo blanco para que se vea. */
  .brand-logo, .page-logo { background: #fff; border-radius: 8px; padding: 3px; }
  .page-logo { padding: 8px; }
}