:root {
  --bg: #f6f7f9;
  --card: #ffffff;
  --fg: #0f172a;
  --mut: #64748b;
  --line: #e2e8f0;
  --acc: #0f766e;
  --acc-fg: #ffffff;
  --ok: #16a34a;
  --ok-bg: #dcfce7;
  --warn: #b45309;
  --warn-bg: #fef3c7;
  --bad: #dc2626;
  --bad-bg: #fee2e2;
  --gris-bg: #e5e7eb;
  --night: #4338ca;
  --radio: 16px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b1220;
    --card: #141c2b;
    --fg: #e5e7eb;
    --mut: #94a3b8;
    --line: #243042;
    --acc: #2dd4bf;
    --acc-fg: #042f2e;
    --ok-bg: #12351f;
    --warn-bg: #3a2a0a;
    --bad-bg: #3b1212;
    --gris-bg: #1f2937;
    --night: #a5b4fc;
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--fg); }
body {
  font: 17px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  padding-bottom: calc(76px + env(safe-area-inset-bottom));
  -webkit-text-size-adjust: 100%;
}
button, input, select, textarea { font: inherit; color: inherit; }
.cargando { text-align: center; color: var(--mut); padding: 40vh 0; }
main { max-width: 640px; margin: 0 auto; padding: 12px 14px; }
header.top {
  position: sticky; top: 0; z-index: 5; background: var(--bg);
  padding: calc(10px + env(safe-area-inset-top)) 14px 8px; max-width: 640px; margin: 0 auto;
  display: flex; align-items: baseline; justify-content: space-between; gap: 8px;
}
header.top h1 { font-size: 1.35rem; margin: 0; }
header.top .fecha { color: var(--mut); font-size: .95rem; }
.offline { background: var(--warn-bg); color: var(--warn); padding: 6px 12px; border-radius: 10px; font-size: .9rem; margin: 0 0 10px; }
.err { background: var(--bad-bg); color: var(--bad); padding: 8px 12px; border-radius: 10px; margin: 0 0 10px; }

nav.tabs {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 10;
  background: var(--card); border-top: 1px solid var(--line);
  display: grid; grid-template-columns: repeat(4, 1fr);
  padding-bottom: env(safe-area-inset-bottom);
}
nav.tabs button {
  background: none; border: 0; padding: 8px 0 10px; font-size: .78rem; color: var(--mut);
  display: flex; flex-direction: column; align-items: center; gap: 2px; min-height: 56px;
}
nav.tabs button .ico { font-size: 1.35rem; line-height: 1; }
nav.tabs button[aria-current="page"] { color: var(--acc); font-weight: 600; }

h2.sec { font-size: 1rem; color: var(--mut); margin: 18px 4px 8px; font-weight: 600; text-transform: uppercase; letter-spacing: .04em; }

.toma {
  background: var(--card); border-radius: var(--radio); margin: 0 0 12px; overflow: hidden;
  border: 1px solid var(--line); box-shadow: 0 1px 2px rgba(0,0,0,.04);
}
.toma .cab { display: flex; align-items: center; gap: 12px; padding: 12px 14px 4px; }
.letra {
  flex: none; width: 44px; height: 44px; border-radius: 50%; color: #fff; font-weight: 800; font-size: 1.4rem;
  display: grid; place-items: center;
}
.toma .med { flex: 1; min-width: 0; }
.toma .med b { display: block; font-size: 1.3rem; line-height: 1.15; overflow-wrap: anywhere; }
.toma .med small { color: var(--mut); }
.toma .hora { font-size: 1.6rem; font-weight: 800; font-variant-numeric: tabular-nums; }
.toma .cuerpo { display: flex; align-items: center; gap: 12px; padding: 4px 14px 10px; }
.toma .dosis { font-size: 1.15rem; font-weight: 700; flex: 1; }
.critica { display: inline-block; background: var(--bad); color: #fff; font-size: .72rem; font-weight: 800; padding: 2px 8px; border-radius: 99px; margin-left: 6px; vertical-align: middle; }
.banda { padding: 10px 14px; display: flex; align-items: center; gap: 10px; font-weight: 700; }
.banda small { font-weight: 400; }
.banda.pendiente { background: var(--warn-bg); color: var(--warn); }
.banda.tarde, .banda.omitida { background: var(--bad-bg); color: var(--bad); }
.banda.dada, .banda.extra { background: var(--ok-bg); color: var(--ok); }
.banda.sin_confirmar, .banda.saltada { background: var(--gris-bg); color: var(--mut); }
.acciones { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 8px; padding: 10px 14px 14px; }
.btn {
  border: 1px solid var(--line); background: var(--card); border-radius: 12px; padding: 12px 10px;
  font-weight: 600; min-height: 48px; cursor: pointer;
}
.btn.prim { background: var(--acc); color: var(--acc-fg); border-color: var(--acc); }
.btn.ok { background: var(--ok); color: #fff; border-color: var(--ok); font-size: 1.05rem; }
.btn.malo { color: var(--bad); }
.btn.ancho { width: 100%; }
.btn:disabled { opacity: .55; }
.panel { border-top: 1px dashed var(--line); padding: 12px 14px 14px; background: color-mix(in srgb, var(--card) 92%, var(--acc)); }
.panel p { margin: 0 0 10px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 10px; }
.chip { border: 1px solid var(--line); background: var(--card); border-radius: 99px; padding: 8px 14px; min-height: 40px; }
.chip[aria-pressed="true"] { background: var(--acc); color: var(--acc-fg); border-color: var(--acc); }
.fila { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.fila > input { min-width: 140px; }
.opcion { display: block; width: 100%; text-align: left; border: 1px solid var(--line); background: var(--card); border-radius: 12px; padding: 10px 12px; margin: 0 0 8px; min-height: 48px; }
.opcion b { display: block; }
.opcion .sig { font-variant-numeric: tabular-nums; }
.noche { color: var(--night); font-weight: 700; }
.vacio { color: var(--mut); text-align: center; padding: 24px 8px; }
.aviso { background: var(--card); border: 1px solid var(--line); border-left: 6px solid var(--acc); border-radius: 12px; padding: 10px 12px; margin: 0 0 10px; }
.aviso small { color: var(--mut); display: block; }
.banner { background: var(--card); border: 1px solid var(--acc); border-radius: var(--radio); padding: 12px 14px; margin: 0 0 12px; }
.banner p { margin: 0 0 8px; }

form.ficha { background: var(--card); border: 1px solid var(--line); border-radius: var(--radio); padding: 14px; margin: 0 0 12px; }
form.ficha label { display: block; font-size: .85rem; color: var(--mut); margin: 10px 0 4px; }
form.ficha input[type=text], form.ficha input[type=number], form.ficha input[type=time], form.ficha input[type=date], form.ficha select, form.ficha textarea {
  width: 100%; padding: 10px 12px; border: 1px solid var(--line); border-radius: 10px; background: var(--bg); min-height: 44px;
}
form.ficha .dos { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 10px; }
form.ficha .dos > div { min-width: 0; }
form.ficha .check { display: flex; gap: 8px; align-items: center; margin-top: 12px; color: var(--fg); font-size: 1rem; }
form.ficha .botones { display: flex; gap: 8px; margin-top: 14px; flex-wrap: wrap; }
.pauta { display: flex; gap: 12px; align-items: center; background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 10px 12px; margin: 0 0 8px; width: 100%; text-align: left; }
.pauta.off { opacity: .55; }
.pauta .med { flex: 1; }
.pauta small { color: var(--mut); display: block; }
.confirma { background: var(--bad-bg); color: var(--bad); border-radius: 10px; padding: 10px 12px; margin-top: 10px; }

.hoja { background: #fff; border-radius: 12px; overflow: hidden; border: 1px solid var(--line); }
.hoja svg { display: block; width: 100%; height: auto; }
table.check { width: 100%; border-collapse: collapse; background: #fff; color: #0f172a; font-size: .85rem; }
table.check th, table.check td { border: 1px solid #94a3b8; padding: 6px 4px; text-align: center; }
table.check td.dia { text-align: left; white-space: nowrap; font-weight: 700; }
table.check .casilla { height: 34px; }
.solo-imprimir { display: none; }

@media print {
  body { background: #fff; padding: 0; }
  nav.tabs, header.top, .no-imprimir { display: none !important; }
  .solo-imprimir { display: block; }
  main { max-width: none; padding: 0; }
  .hoja { border: 0; }
}