:root{
  --ink:#111;
  --muted:#555;
  --border:#d7d7d7;
  --bg:#f6f6f6;

  --green:#1b7f3a;
  --yellow:#b8860b;
  --red:#b3261e;
}

*{ box-sizing:border-box; }
html,body{ margin:0; padding:0; color:var(--ink); font:16px/1.35 system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif; background:var(--bg); }

.page-header{
  position:sticky; top:0; z-index:10;
  display:flex; justify-content:space-between; gap:16px;
  padding:14px 16px;
  background:#fff; border-bottom:1px solid var(--border);
}
.page-header h1{ margin:0; font-size:20px; }
.muted{ color:var(--muted); }
.small{ font-size:12px; }

.header-actions{ display:flex; gap:8px; align-items:center; }
button{
  border:1px solid var(--border);
  background:#fff;
  padding:9px 12px;
  border-radius:10px;
  cursor:pointer;
}
button.primary{ border-color:#222; background:#222; color:#fff; }
button.secondary{ background:#f1f1f1; }

.sheet{
  max-width:900px;
  margin:18px auto 40px;
  padding:0 14px;
}

.card{
  background:#fff;
  border:1px solid var(--border);
  border-radius:14px;
  padding:16px;
  margin:12px 0;
}

.card h2{ margin:0 0 10px; font-size:18px; }
.card h3{ margin:14px 0 8px; font-size:15px; }

.grid{
  display:grid;
  grid-template-columns:repeat(2, minmax(0,1fr));
  gap:10px;
}
.grid-3{ grid-template-columns:repeat(3, minmax(0,1fr)); }
.grid-2{ grid-template-columns:repeat(2, minmax(0,1fr)); }

label{ display:block; font-size:13px; color:var(--muted); }
input, textarea{
  width:100%;
  margin-top:6px;
  padding:10px 10px;
  border:1px solid var(--border);
  border-radius:10px;
  font:inherit;
  color:var(--ink);
  background:#fff;
}
textarea{ resize:vertical; }

.thresholds{
  margin-top:10px;
  display:grid;
  gap:4px;
  color:var(--muted);
  font-size:13px;
}

.zone{ border-left:10px solid transparent; }
.zone-green{ border-left-color:color-mix(in srgb, var(--green) 70%, #fff); }
.zone-yellow{ border-left-color:color-mix(in srgb, var(--yellow) 70%, #fff); }
.zone-red{ border-left-color:color-mix(in srgb, var(--red) 70%, #fff); }

.zone-head{ display:flex; gap:12px; align-items:flex-start; }
.zone-dot{
  width:22px; height:22px; border-radius:999px;
  margin-top:2px;
  border:3px solid #fff;
  box-shadow:0 0 0 2px var(--border);
}
.zone-dot.green{ background:var(--green); }
.zone-dot.yellow{ background:var(--yellow); }
.zone-dot.red{ background:var(--red); }

.callout{
  margin-top:12px;
  padding:10px 12px;
  border-radius:12px;
  background:#f7f7f7;
  border:1px dashed var(--border);
}

.danger{
  margin-top:12px;
  padding:12px;
  border-radius:12px;
  border:1px solid color-mix(in srgb, var(--red) 35%, #fff);
  background:color-mix(in srgb, var(--red) 10%, #fff);
}

.badge{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:6px 10px;
  border-radius:999px;
  border:1px solid var(--border);
  font-weight:600;
  width:fit-content;
}
.badge-green{ border-color:var(--green); color:var(--green); }
.badge-yellow{ border-color:var(--yellow); color:var(--yellow); }
.badge-red{ border-color:var(--red); color:var(--red); }
.badge-neutral{ color:var(--muted); }

.calc{ display:flex; flex-direction:column; gap:6px; justify-content:flex-end; }
.calc-label{ font-size:13px; color:var(--muted); }

.meds{ grid-template-columns:repeat(2, minmax(0,1fr)); }

.signatures input{ padding:12px 10px; }

.page-footer{ padding:8px 2px 0; }

@media print{
  body{ background:#fff; }
  .no-print{ display:none !important; }
  .sheet{ max-width:none; margin:0; padding:0; }
  .card{ border-radius:0; border-left:0; border-right:0; border-top:0; }
  input, textarea{
    border:1px solid #aaa;
  }
  button{ display:none; }
  @page{ margin:0.5in; }
}