:root {
  --bg: #f6f2e9;
  --surface: #fffdf8;
  --ink: #1f2a26;
  --muted: #5f6b66;
  --line: #e2dccd;
  --brand: #2f5d50;
  --brand-ink: #f4efe3;
  --brand-soft: #e3ece6;
  --accent: #b9862c;
  --ok: #2e7d4f;
  --ok-soft: #e1f1e6;
  --warn: #9a6a00;
  --warn-soft: #fbf0d6;
  --bad: #a23b2c;
  --bad-soft: #f8e3df;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(31,42,38,.06), 0 6px 20px rgba(31,42,38,.05);
  --serif: 'Fraunces', Georgia, serif;
  --sans: 'Inter', 'Hind Siliguri', system-ui, -apple-system, 'Segoe UI', sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #141a18; --surface: #1c2421; --ink: #e9ece8; --muted: #9aa6a0; --line: #2d3833;
    --brand: #7fb59a; --brand-ink: #10201a; --brand-soft: #22322b; --accent: #d9a441;
    --ok: #7fc99a; --ok-soft: #1e3328; --warn: #e2b553; --warn-soft: #33291a; --bad: #e88c7d; --bad-soft: #3a221e;
    --shadow: none;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 15px/1.55 var(--sans); }
a { color: var(--brand); }
h1, h2, h3 { font-family: var(--serif); font-weight: 600; line-height: 1.2; margin: 0 0 .5em; letter-spacing: -.01em; }
h1 { font-size: clamp(1.7rem, 4vw, 2.4rem); }
h2 { font-size: 1.35rem; }
h3 { font-size: 1.05rem; font-family: var(--sans); }
.muted { color: var(--muted); }
.pad { padding: 24px; }
.small { font-size: 13px; }

.topbar { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 12px clamp(16px, 4vw, 40px);
  background: var(--surface); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 10; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); }
.brand span { display: flex; flex-direction: column; line-height: 1.1; }
.brand strong { font-family: var(--serif); font-size: 18px; }
.brand small { font-size: 11px; color: var(--muted); font-style: italic; }
nav { display: flex; gap: 6px; flex-wrap: wrap; align-items: center; }
nav a, nav button { text-decoration: none; color: var(--ink); padding: 7px 12px; border-radius: 999px; font: 500 14px var(--sans); background: none; border: 0; cursor: pointer; }
nav a:hover, nav button:hover { background: var(--brand-soft); }
nav a.active { background: var(--brand-soft); color: var(--brand); }
nav a.cta { background: var(--brand); color: var(--brand-ink); }

main { max-width: 1120px; margin: 0 auto; padding: clamp(16px, 4vw, 36px) clamp(16px, 4vw, 40px) 48px; outline: none; }
.foot { max-width: 1120px; margin: 0 auto; padding: 20px clamp(16px, 4vw, 40px) 40px; border-top: 1px solid var(--line); font-size: 13px; }
.foot p { margin: 4px 0; }

.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow); }
.card + .card, .stack > * + * { margin-top: 16px; }
.grid { display: grid; gap: 16px; }
.grid.two { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.grid.cards { grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }
.row { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.row.between { justify-content: space-between; }
.spacer { flex: 1; }

.hero { display: grid; gap: 20px; grid-template-columns: 1.4fr 1fr; align-items: end; margin-bottom: 24px; }
.hero p { font-size: 17px; color: var(--muted); max-width: 52ch; margin: 0; }
.hero .bn { font-family: 'Hind Siliguri', var(--sans); }
@media (max-width: 760px) { .hero { grid-template-columns: 1fr; } }

form { display: grid; gap: 14px; }
.fields { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); align-items: end; }
label { display: grid; gap: 5px; font-weight: 500; font-size: 14px; }
label .hint { font-weight: 400; color: var(--muted); font-size: 12.5px; }
input, select, textarea { font: 15px var(--sans); color: var(--ink); background: var(--bg); border: 1px solid var(--line); border-radius: 10px;
  padding: 10px 12px; width: 100%; min-width: 0; }
textarea { min-height: 84px; resize: vertical; }
input:focus, select:focus, textarea:focus, button:focus-visible, a:focus-visible { outline: 2px solid var(--brand); outline-offset: 1px; }
fieldset { border: 1px solid var(--line); border-radius: 10px; padding: 10px 14px 14px; margin: 0; }
legend { font-weight: 500; font-size: 14px; padding: 0 6px; }
.checks { display: flex; gap: 8px 18px; flex-wrap: wrap; }
.checks label, label.inline { display: flex; align-items: center; gap: 8px; font-weight: 400; }
.checks input, label.inline input { width: auto; }
.redflags { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 6px 16px; }
.redflags label { display: flex; gap: 8px; align-items: flex-start; font-weight: 400; font-size: 14px; }
.redflags input { width: auto; margin-top: 4px; }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; font: 600 14px var(--sans); padding: 10px 16px; border-radius: 10px;
  border: 1px solid transparent; cursor: pointer; text-decoration: none; background: var(--brand); color: var(--brand-ink); }
.btn.ghost { background: transparent; color: var(--brand); border-color: var(--line); }
.btn.danger { background: var(--bad); color: #fff; }
.btn.small { padding: 6px 10px; font-size: 13px; }
.btn[disabled] { opacity: .5; cursor: not-allowed; }

.badge { display: inline-flex; align-items: center; gap: 5px; padding: 3px 10px; border-radius: 999px; font-size: 12.5px; font-weight: 600; background: var(--brand-soft); color: var(--brand); white-space: nowrap; }
.badge.ok { background: var(--ok-soft); color: var(--ok); }
.badge.warn { background: var(--warn-soft); color: var(--warn); }
.badge.bad { background: var(--bad-soft); color: var(--bad); }
.badge.muted { background: var(--line); color: var(--muted); }

.notice { border-radius: 12px; padding: 12px 16px; background: var(--brand-soft); }
.notice.warn { background: var(--warn-soft); }
.notice.bad { background: var(--bad-soft); color: var(--bad); }
.notice.ok { background: var(--ok-soft); }
.urgent { border: 2px solid var(--bad); background: var(--bad-soft); color: var(--bad); border-radius: 12px; padding: 12px 16px; font-weight: 500; }

.checklist { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.checklist li { display: flex; gap: 10px; align-items: flex-start; }
.tick { width: 22px; height: 22px; border-radius: 50%; border: 2px solid var(--line); flex: none; display: grid; place-items: center; font-size: 12px; }
.tick.done { background: var(--ok); border-color: var(--ok); color: #fff; }
.timeline { list-style: none; padding: 0; margin: 0; border-left: 2px solid var(--line); }
.timeline li { padding: 0 0 12px 14px; position: relative; font-size: 14px; }
.timeline li::before { content: ''; position: absolute; left: -6px; top: 6px; width: 10px; height: 10px; border-radius: 50%; background: var(--brand); }

.doc-card h3 { font-family: var(--serif); font-size: 1.15rem; margin-bottom: 2px; }
.meta { display: flex; flex-wrap: wrap; gap: 6px; margin: 8px 0; }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-weight: 600; color: var(--muted); font-size: 12.5px; text-transform: uppercase; letter-spacing: .03em; }
tr.click { cursor: pointer; }
tr.click:hover { background: var(--brand-soft); }

.rx-items { display: grid; gap: 10px; }
.rx-item { display: grid; gap: 8px; grid-template-columns: 2fr 0.8fr 1fr 1fr 1.2fr 1fr auto; align-items: end; padding: 10px; border: 1px dashed var(--line); border-radius: 10px; }
.rx-item label { font-size: 12px; }
@media (max-width: 900px) { .rx-item { grid-template-columns: 1fr 1fr; } }

dl.kv { display: grid; grid-template-columns: max-content 1fr; gap: 6px 16px; margin: 0; }
dl.kv dt { color: var(--muted); font-size: 13px; }
dl.kv dd { margin: 0; white-space: pre-wrap; }

#toast { position: fixed; left: 50%; bottom: 20px; transform: translateX(-50%); background: var(--ink); color: var(--bg); padding: 10px 16px; border-radius: 10px;
  font-size: 14px; opacity: 0; transition: opacity .2s; pointer-events: none; max-width: calc(100% - 32px); }
#toast.show { opacity: 1; }
#toast.err { background: var(--bad); color: #fff; }

/* Printable prescription */
.rx-paper { background: #fff; color: #111; max-width: 780px; margin: 0 auto; padding: 32px; border: 1px solid var(--line); border-radius: 6px; font-size: 14px; }
.rx-paper h1 { font-size: 22px; margin: 0; }
.rx-paper .head { display: flex; justify-content: space-between; gap: 16px; border-bottom: 2px solid #2f5d50; padding-bottom: 12px; margin-bottom: 12px; }
.rx-paper .rx-mark { font-family: var(--serif); font-size: 30px; color: #2f5d50; }
.rx-paper table th, .rx-paper table td { color: #111; border-color: #ddd; }
.rx-paper .sig { margin-top: 36px; display: flex; justify-content: space-between; align-items: flex-end; gap: 16px; font-size: 12px; color: #444; }
@media print {
  .topbar, .foot, .no-print, #toast { display: none !important; }
  body, main { background: #fff; padding: 0; margin: 0; max-width: none; }
  .rx-paper { border: 0; padding: 0; }
}