/* Regional Anaesthesia Guide - single stylesheet, no framework (shares its base with Nursing Notes) */
@font-face {
    font-family: "Inter";
    src: url("fonts/inter-latin-wght-normal.woff2") format("woff2");
    font-weight: 100 900;
    font-style: normal;
    font-display: swap;
}

:root {
    --bg: #f4f6f8;
    --surface: #ffffff;
    --surface-2: #f8fafc;
    --text: #17222d;
    --muted: #556472;
    --border: #dfe5eb;
    --border-strong: #c3ccd5;
    --brand: #005eb8;
    --brand-strong: #004a93;
    --brand-soft: #e8f1fb;
    --brand-text: #ffffff;
    --shadow: 0 1px 2px rgba(16, 24, 40, 0.05), 0 1px 3px rgba(16, 24, 40, 0.07);
    --shadow-lg: 0 4px 12px rgba(16, 24, 40, 0.08), 0 1px 3px rgba(16, 24, 40, 0.06);
    --green-bg: #e7f5ee; --green-text: #0b5c33; --green-border: #2e9b62;
    --amber-bg: #fff6e0; --amber-text: #6b4500; --amber-border: #d39a1c;
    --red-bg: #fdecec; --red-text: #8a1424; --red-border: #d5281b;
    --neutral-bg: #eef4fb; --neutral-text: #1d4a7a; --neutral-border: #9dbbe0;
    --g-acute: #c0392b; --g-acute-bg: #fdecea;
    --g-assess: #005eb8; --g-assess-bg: #e8f1fb;
    --g-routine: #00796b; --g-routine-bg: #e0f2f0;
    --g-comm: #5b4bb7; --g-comm-bg: #efedfb;
    --n1-bg: #fff3bf; --n1-text: #5c4400;
    --n2-bg: #ffd9b3; --n2-text: #7a3300;
    --n3-bg: #d5281b; --n3-text: #ffffff;
    --focus: #ffbf47;
    --r-card: 14px;
    --r-ctl: 10px;
    color-scheme: light;
}
@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
        --bg: #0e151b; --surface: #161f27; --surface-2: #1b2630; --text: #e6edf3; --muted: #9fb0bf;
        --border: #2a3742; --border-strong: #3a4a57;
        --brand: #5aa7ee; --brand-strong: #8cc4f5; --brand-soft: #16304a; --brand-text: #08131d;
        --shadow: 0 1px 2px rgba(0, 0, 0, 0.4); --shadow-lg: 0 4px 14px rgba(0, 0, 0, 0.45);
        --green-bg: #10301f; --green-text: #a6e6c2; --green-border: #3aa36c;
        --amber-bg: #352808; --amber-text: #ffd98a; --amber-border: #c99a2e;
        --red-bg: #3a1218; --red-text: #ffb3bd; --red-border: #e0575f;
        --neutral-bg: #142a3f; --neutral-text: #bcd9f3; --neutral-border: #3f6f99;
        --g-acute: #ff8a7a; --g-acute-bg: #3a1a17;
        --g-assess: #7ab8f2; --g-assess-bg: #15304a;
        --g-routine: #5fd0c0; --g-routine-bg: #0f312d;
        --g-comm: #b3a8ff; --g-comm-bg: #282345;
        --n1-bg: #5a4a10; --n1-text: #fff0b3;
        --n2-bg: #6b3511; --n2-text: #ffd9b3;
        color-scheme: dark;
    }
}
:root[data-theme="dark"] {
    --bg: #0e151b; --surface: #161f27; --surface-2: #1b2630; --text: #e6edf3; --muted: #9fb0bf;
    --border: #2a3742; --border-strong: #3a4a57;
    --brand: #5aa7ee; --brand-strong: #8cc4f5; --brand-soft: #16304a; --brand-text: #08131d;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.4); --shadow-lg: 0 4px 14px rgba(0, 0, 0, 0.45);
    --green-bg: #10301f; --green-text: #a6e6c2; --green-border: #3aa36c;
    --amber-bg: #352808; --amber-text: #ffd98a; --amber-border: #c99a2e;
    --red-bg: #3a1218; --red-text: #ffb3bd; --red-border: #e0575f;
    --neutral-bg: #142a3f; --neutral-text: #bcd9f3; --neutral-border: #3f6f99;
    --g-acute: #ff8a7a; --g-acute-bg: #3a1a17;
    --g-assess: #7ab8f2; --g-assess-bg: #15304a;
    --g-routine: #5fd0c0; --g-routine-bg: #0f312d;
    --g-comm: #b3a8ff; --g-comm-bg: #282345;
    --n1-bg: #5a4a10; --n1-text: #fff0b3;
    --n2-bg: #6b3511; --n2-text: #ffd9b3;
    color-scheme: dark;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: 16px; }
body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font: 16px/1.5 "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
    font-feature-settings: "cv11", "ss01";
    -webkit-font-smoothing: antialiased;
    padding-bottom: env(safe-area-inset-bottom);
}
a { color: var(--brand); }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; }
[hidden] { display: none !important; }
.icon { flex: none; }
.muted { color: var(--muted); }

.skip { position: absolute; left: -999px; top: 0; background: var(--surface); padding: 8px 12px; z-index: 10; }
.skip:focus { left: 8px; }

/* ---------- App bar ---------- */
.appbar { background: var(--surface); border-bottom: 1px solid var(--border); padding-top: env(safe-area-inset-top); }
.appbar-inner, .privacy-inner, .footer-inner { max-width: 1240px; margin: 0 auto; padding-left: 20px; padding-right: 20px; }
.appbar-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { display: flex; align-items: center; gap: 12px; color: var(--text); text-decoration: none; }
.brand img { border-radius: 50%; }
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-text strong { font-size: 1.08rem; font-weight: 700; letter-spacing: -0.01em; }
.brand-text small { color: var(--muted); font-size: 0.78rem; font-weight: 500; }
.icon-btn {
    display: inline-flex; align-items: center; justify-content: center;
    width: 44px; height: 44px; border-radius: 50%; border: 1px solid var(--border);
    background: var(--surface); color: var(--text); cursor: pointer;
}
.icon-btn:hover { background: var(--surface-2); }
.icon-btn.small { width: 36px; height: 36px; }

.privacy-strip { background: var(--brand-soft); color: var(--neutral-text); border-bottom: 1px solid var(--border); font-size: 0.86rem; }
.privacy-inner { padding-top: 8px; padding-bottom: 8px; }

main { max-width: 1240px; margin: 0 auto; padding: 20px; outline: none; }
h1 { font-size: clamp(1.5rem, 1.2rem + 1.4vw, 2.1rem); line-height: 1.2; letter-spacing: -0.02em; margin: 0 0 8px; }
h2 { font-size: 1.05rem; margin: 0 0 10px; letter-spacing: -0.01em; }
.eyebrow { text-transform: uppercase; letter-spacing: 0.08em; font-size: 0.74rem; font-weight: 700; color: var(--brand); margin: 0 0 6px; }
.lead { color: var(--muted); margin: 0; max-width: 62ch; }

/* ---------- Home ---------- */
.hero {
    display: grid; gap: 20px; align-items: end;
    background: var(--surface); border: 1px solid var(--border); border-radius: 18px; box-shadow: var(--shadow);
    padding: 28px; margin-bottom: 28px;
    background-image: radial-gradient(120% 140% at 100% 0%, var(--brand-soft) 0%, transparent 55%);
}
@media (min-width: 900px) { .hero { grid-template-columns: 1.4fr 1fr; padding: 36px; } }
.trust { list-style: none; padding: 0; margin: 16px 0 0; display: flex; flex-wrap: wrap; gap: 8px 18px; color: var(--muted); font-size: 0.88rem; font-weight: 500; }
.trust li { display: inline-flex; align-items: center; gap: 6px; }
.trust .icon { color: var(--green-border); }
.search {
    display: flex; align-items: center; gap: 10px; background: var(--surface); border: 1px solid var(--border-strong);
    border-radius: 12px; padding: 0 14px; min-height: 52px; box-shadow: var(--shadow); color: var(--muted);
}
.search:focus-within { border-color: var(--brand); box-shadow: 0 0 0 3px var(--brand-soft); }
.search input { border: 0; outline: 0; background: transparent; font: inherit; color: var(--text); flex: 1; min-width: 0; height: 50px; }

.group { margin: 0 0 28px; }
.group h2 { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); font-weight: 700; margin-bottom: 12px; }
.template-grid { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; grid-template-columns: repeat(auto-fill, minmax(290px, 1fr)); }
.template-grid.compact { grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); }
.template-card {
    display: flex; gap: 14px; align-items: center; height: 100%;
    background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-card);
    padding: 16px; color: var(--text); text-decoration: none; box-shadow: var(--shadow);
    transition: border-color 0.15s, box-shadow 0.15s, transform 0.15s;
}
.template-card:hover { border-color: var(--brand); box-shadow: var(--shadow-lg); transform: translateY(-1px); }
.template-card.compact { padding: 12px 14px; }
.template-icon {
    display: inline-flex; align-items: center; justify-content: center; flex: none;
    width: 44px; height: 44px; border-radius: 12px;
}
.template-icon.large { width: 56px; height: 56px; border-radius: 14px; }
.template-card.compact .template-icon { width: 36px; height: 36px; border-radius: 10px; }
.g-acute { color: var(--g-acute); background: var(--g-acute-bg); }
.g-assessments { color: var(--g-assess); background: var(--g-assess-bg); }
.g-routine { color: var(--g-routine); background: var(--g-routine-bg); }
.g-communication { color: var(--g-comm); background: var(--g-comm-bg); }
.template-text { display: flex; flex-direction: column; gap: 2px; flex: 1; min-width: 0; }
.template-text strong { font-size: 1rem; font-weight: 650; }
.template-text span { color: var(--muted); font-size: 0.9rem; line-height: 1.4; }
.chev { color: var(--muted); display: inline-flex; }
.no-results { color: var(--muted); text-align: center; padding: 24px; }

/* ---------- Template page ---------- */
.back { display: inline-flex; align-items: center; gap: 6px; font-weight: 600; text-decoration: none; font-size: 0.92rem; margin-bottom: 14px; }
.page-head { display: flex; gap: 16px; align-items: flex-start; margin-bottom: 16px; }
.page-head h1 { margin-bottom: 4px; }

.section-nav {
    display: flex; gap: 8px; overflow-x: auto; padding: 4px 2px 10px; margin: 0 0 8px;
    scrollbar-width: thin; -webkit-overflow-scrolling: touch;
}
.section-nav a {
    display: inline-flex; align-items: center; gap: 8px; white-space: nowrap; flex: none;
    padding: 6px 12px 6px 6px; border-radius: 999px; border: 1px solid var(--border); background: var(--surface);
    color: var(--text); text-decoration: none; font-size: 0.86rem; font-weight: 550;
}
.section-nav a:hover { border-color: var(--brand); }
.section-nav .num, legend .num {
    display: inline-flex; align-items: center; justify-content: center; width: 24px; height: 24px; border-radius: 50%;
    background: var(--surface-2); border: 1px solid var(--border); font-size: 0.76rem; font-weight: 700; color: var(--muted);
}
.section-nav a.done .num { background: var(--brand); border-color: var(--brand); color: var(--brand-text); }

.layout { display: grid; gap: 20px; grid-template-columns: minmax(0, 1fr); }
@media (min-width: 960px) {
    .layout { grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr); align-items: start; }
    .preview { position: sticky; top: 16px; max-height: calc(100vh - 32px); display: flex; flex-direction: column; }
    .preview .note-text { overflow: auto; flex: 1; min-height: 160px; }
    .copy-bar { display: none !important; }
}

.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-card); padding: 18px 20px; margin: 0 0 16px; box-shadow: var(--shadow); }
fieldset.card { min-width: 0; padding-top: 6px; }
fieldset.card legend {
    display: flex; align-items: center; gap: 10px; float: left; width: 100%;
    font-weight: 700; font-size: 1.02rem; padding: 12px 0 10px; margin: 0 0 6px; border-bottom: 1px solid var(--border);
}
fieldset.card legend + * { clear: both; }
legend .num { background: var(--brand-soft); border-color: transparent; color: var(--brand); }
legend .count { margin-left: auto; font-size: 0.76rem; font-weight: 600; color: var(--green-text); background: var(--green-bg); border-radius: 999px; padding: 2px 10px; }
.header-card { display: grid; gap: 12px; grid-template-columns: minmax(0, 1fr); }

.field-wrap { margin: 14px 0 18px; clear: both; }
.field { display: flex; flex-direction: column; gap: 6px; }
.label { font-weight: 600; font-size: 0.94rem; display: block; }
.label.small { font-size: 0.82rem; color: var(--muted); }
.label-row { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; }
.label-row .link-btn { margin-left: auto; }
.hint { color: var(--muted); font-size: 0.84rem; display: block; margin: -2px 0 8px; }
.input-unit + .hint { margin: 6px 0 0; }
.row { display: flex; gap: 12px; align-items: flex-end; }
.row.wrap { flex-wrap: wrap; align-items: center; }
.grow { flex: 1; min-width: 0; }
.row.wrap .grow { flex-basis: 220px; }
.row > .btn { flex: none; }

input[type="text"], input[type="date"], input[type="time"], input[type="datetime-local"], select, textarea {
    font: inherit; color: var(--text); background: var(--surface);
    border: 1px solid var(--border-strong); border-radius: var(--r-ctl); padding: 10px 12px; min-height: 46px; width: 100%;
    min-width: 0; max-width: 100%;
    transition: border-color 0.15s, box-shadow 0.15s;
}
input:hover, select:hover, textarea:hover { border-color: var(--muted); }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--brand); box-shadow: 0 0 0 3px var(--brand-soft); }
textarea { resize: vertical; line-height: 1.45; }
.input-unit { display: flex; align-items: center; gap: 10px; }
.input-unit.number input { max-width: 8.5rem; font-variant-numeric: tabular-nums; font-weight: 600; }
.unit { color: var(--muted); font-size: 0.9rem; }

/* option buttons (choices) and option tiles (checks) */
.options { display: flex; flex-wrap: wrap; gap: 8px; }
.option {
    display: inline-flex; align-items: center; gap: 8px; min-height: 44px; padding: 9px 14px;
    border: 1px solid var(--border-strong); border-radius: var(--r-ctl); background: var(--surface); color: var(--text);
    font: inherit; font-size: 0.93rem; text-align: left; cursor: pointer; line-height: 1.3;
    transition: border-color 0.12s, background 0.12s;
}
.option:hover { border-color: var(--brand); }
.option.choice { flex-direction: column; align-items: flex-start; gap: 2px; }
.option small { font-size: 0.78rem; color: var(--muted); }
.option.choice[aria-checked="true"] { background: var(--brand); border-color: var(--brand); color: var(--brand-text); font-weight: 600; }
.option.choice[aria-checked="true"] small { color: inherit; opacity: 0.9; }
.option.check input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.option.check .tick {
    display: inline-flex; align-items: center; justify-content: center; flex: none;
    width: 20px; height: 20px; border-radius: 6px; border: 1.5px solid var(--border-strong); background: var(--surface); color: transparent;
}
.option.check:has(input:checked) { border-color: var(--brand); background: var(--brand-soft); font-weight: 550; }
.option.check:has(input:checked) .tick { background: var(--brand); border-color: var(--brand); color: var(--brand-text); }
.option.check:has(input:focus-visible) { outline: 3px solid var(--focus); outline-offset: 2px; }

.flag { display: flex; gap: 12px; align-items: flex-start; cursor: pointer; padding: 6px 0; font-size: 0.95rem; }
.flag.inline { padding: 0; align-items: center; }
.flag input { width: 22px; height: 22px; margin: 0; flex: none; accent-color: var(--brand); }

/* NEWS2 per-parameter points */
.score-badge {
    display: inline-flex; align-items: center; justify-content: center; min-width: 30px; height: 22px; padding: 0 7px;
    border-radius: 999px; font-size: 0.76rem; font-weight: 700; font-variant-numeric: tabular-nums;
    background: var(--surface-2); color: var(--muted); border: 1px solid var(--border);
}
.score-badge[data-points="1"] { background: var(--n1-bg); color: var(--n1-text); border-color: transparent; }
.score-badge[data-points="2"] { background: var(--n2-bg); color: var(--n2-text); border-color: transparent; }
.score-badge[data-points="3"] { background: var(--n3-bg); color: var(--n3-text); border-color: transparent; }

.score-tile {
    display: flex; gap: 16px; align-items: center; padding: 14px; border-radius: 12px;
    border: 1px solid var(--border); background: var(--surface-2);
}
.score-num { display: flex; flex-direction: column; align-items: center; justify-content: center; min-width: 84px; height: 84px; border-radius: 14px; background: var(--surface); border: 1px solid var(--border); }
.score-label { font-size: 0.7rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }
.score-num .big { font-size: 2rem; font-weight: 800; line-height: 1; font-variant-numeric: tabular-nums; }
.score-text { display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.score-text .sub { font-size: 1.02rem; }
.score-text .detail { color: var(--muted); font-size: 0.86rem; }
.score-tile[data-tone="green"] { background: var(--green-bg); border-color: var(--green-border); }
.score-tile[data-tone="green"] .score-num { border-color: var(--green-border); color: var(--green-text); }
.score-tile[data-tone="amber"] { background: var(--amber-bg); border-color: var(--amber-border); }
.score-tile[data-tone="amber"] .score-num { border-color: var(--amber-border); color: var(--amber-text); }
.score-tile[data-tone="red"] { background: var(--red-bg); border-color: var(--red-border); }
.score-tile[data-tone="red"] .score-num { background: var(--red-border); border-color: var(--red-border); color: #fff; }
.score-tile[data-tone="red"] .score-label { color: #fff; opacity: 0.9; }

.rows { display: flex; flex-direction: column; gap: 10px; margin: 8px 0 10px; }
.row-item { position: relative; display: grid; gap: 10px; grid-template-columns: 1fr 1fr; border: 1px solid var(--border); background: var(--surface-2); border-radius: 12px; padding: 12px 52px 12px 12px; }
.row-item .icon-btn { position: absolute; top: 8px; right: 8px; }
@media (min-width: 720px) { .row-item { grid-template-columns: 2fr 1fr 2fr 2fr; } }

.computed { display: flex; flex-direction: column; gap: 6px; }
.computed-value { display: block; padding: 10px 12px; border-radius: var(--r-ctl); border: 1px solid var(--border); background: var(--surface-2); font-weight: 600; }
.computed-value[data-tone="green"] { background: var(--green-bg); color: var(--green-text); border-color: var(--green-border); }
.computed-value[data-tone="amber"] { background: var(--amber-bg); color: var(--amber-text); border-color: var(--amber-border); }
.computed-value[data-tone="red"] { background: var(--red-bg); color: var(--red-text); border-color: var(--red-border); }
.computed-value[data-tone="neutral"] { background: var(--neutral-bg); color: var(--neutral-text); border-color: var(--neutral-border); }

.callout {
    display: flex; gap: 10px; align-items: flex-start; margin: 0 0 16px; padding: 12px 14px; border-radius: 12px;
    border: 1px solid var(--neutral-border); background: var(--neutral-bg); color: var(--neutral-text); font-size: 0.92rem;
}
.callout .icon { margin-top: 2px; }
.callout.green { background: var(--green-bg); color: var(--green-text); border-color: var(--green-border); }
.callout.amber { background: var(--amber-bg); color: var(--amber-text); border-color: var(--amber-border); }
.callout.red { background: var(--red-bg); color: var(--red-text); border-color: var(--red-border); }

/* buttons */
.btn {
    font: inherit; font-weight: 600; font-size: 0.94rem; min-height: 44px; padding: 8px 16px; border-radius: var(--r-ctl); cursor: pointer;
    border: 1px solid transparent; text-decoration: none; display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    transition: background 0.15s, border-color 0.15s;
}
.btn.primary { background: var(--brand); color: var(--brand-text); }
.btn.primary:hover { background: var(--brand-strong); }
.btn.secondary { background: var(--surface); color: var(--text); border-color: var(--border-strong); }
.btn.secondary:hover { border-color: var(--brand); color: var(--brand); }
.btn.ghost { background: transparent; color: var(--muted); }
.btn.ghost:hover { background: var(--surface-2); color: var(--text); }
.btn.small { min-height: 40px; padding: 6px 12px; }
.btn.wide { flex: 1; }
.link-btn { background: none; border: none; color: var(--brand); font: inherit; font-size: 0.86rem; font-weight: 600; cursor: pointer; min-height: 32px; padding: 0 4px; }
.link-btn:hover { text-decoration: underline; }

/* preview */
.preview { background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-card); box-shadow: var(--shadow-lg); padding: 16px; }
.preview-head { display: flex; justify-content: space-between; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 12px; }
.preview-head h2 { display: inline-flex; align-items: center; gap: 8px; margin: 0; }
.segmented { display: inline-flex; padding: 3px; background: var(--surface-2); border: 1px solid var(--border); border-radius: 10px; }
.seg { display: inline-flex; align-items: center; gap: 6px; border: 0; background: transparent; color: var(--muted); font: inherit; font-size: 0.84rem; font-weight: 600; padding: 6px 10px; border-radius: 8px; cursor: pointer; min-height: 34px; }
.seg[aria-checked="true"] { background: var(--surface); color: var(--text); box-shadow: var(--shadow); }
.note-text {
    white-space: pre-wrap; word-break: break-word; margin: 0;
    font: 0.9rem/1.6 ui-monospace, "SFMono-Regular", "Cascadia Mono", Menlo, Consolas, monospace;
    background: var(--surface-2); border: 1px solid var(--border); border-radius: 12px; padding: 14px 16px; min-height: 140px;
}
.note-text[data-empty="true"] { color: var(--muted); }
.preview-foot { display: flex; justify-content: space-between; align-items: center; gap: 10px; flex-wrap: wrap; margin-top: 12px; font-size: 0.84rem; }
.preview-actions { display: flex; gap: 8px; margin-left: auto; }
.status { min-height: 1.3em; margin: 8px 0 0; color: var(--green-text); font-weight: 600; font-size: 0.88rem; }

.sources h2 { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); }
.sources ul { margin: 0; padding-left: 18px; font-size: 0.9rem; }
.sources li { margin: 6px 0; }

.copy-bar {
    position: sticky; bottom: 0; display: flex; gap: 10px; margin: 16px -20px -20px;
    padding: 10px 16px; padding-bottom: max(10px, env(safe-area-inset-bottom));
    background: color-mix(in srgb, var(--surface) 92%, transparent); backdrop-filter: blur(8px);
    border-top: 1px solid var(--border); box-shadow: 0 -4px 12px rgba(16, 24, 40, 0.06);
}

.footer { border-top: 1px solid var(--border); margin-top: 32px; background: var(--surface); }
.footer-inner { padding-top: 18px; padding-bottom: 24px; color: var(--muted); font-size: 0.84rem; }
.footer p { margin: 6px 0; max-width: 90ch; }
.version { opacity: 0.8; }

/* privacy page */
.doc { max-width: 760px; }
.doc .card h2 { margin-top: 0; }

@media (max-width: 520px) {
    main { padding: 16px; }
    .appbar-inner, .privacy-inner, .footer-inner { padding-left: 16px; padding-right: 16px; }
    .hero { padding: 20px; border-radius: 16px; }
    .card { padding: 14px 16px; }
    .copy-bar { margin: 16px -16px -16px; }
    .page-head .template-icon.large { width: 48px; height: 48px; }
    .score-num { min-width: 72px; height: 72px; }
}

@media print {
    .appbar, .privacy-strip, .footer, .note-form, .copy-bar, .back, .section-nav, .preview-actions, .segmented { display: none !important; }
    .preview { box-shadow: none; border: 0; }
}
@media (prefers-reduced-motion: reduce) { * { scroll-behavior: auto !important; transition: none !important; } }

main:focus, main:focus-visible { outline: none; }

/* =============================================================================================
   Regional Anaesthesia Guide additions
   ============================================================================================= */
.small { font-size: 0.84rem; }
.chip {
    display: inline-flex; align-items: center; gap: 5px; align-self: flex-start; margin-top: 4px;
    padding: 2px 10px; border-radius: 999px; font-size: 0.76rem; font-weight: 650;
    background: var(--surface-2); color: var(--muted); border: 1px solid var(--border);
}
.chip.green { background: var(--green-bg); color: var(--green-text); border-color: var(--green-border); }
.chip.amber { background: var(--amber-bg); color: var(--amber-text); border-color: var(--amber-border); }

/* home */
.trust-card { display: flex; flex-direction: column; gap: 8px; background: var(--surface-2); border: 1px solid var(--border); border-radius: var(--r-card); padding: 16px; }
.trust-card .label { display: inline-flex; align-items: center; gap: 6px; }
.trust-card .hint { margin: 0; }
.home-grid { display: grid; gap: 20px; grid-template-columns: minmax(0, 1fr); margin-bottom: 20px; }
@media (min-width: 900px) { .home-grid { grid-template-columns: 300px minmax(0, 1fr); align-items: start; } .map-card { position: sticky; top: 16px; } }
.map-card h2 { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); text-align: center; }
.maps { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; max-width: 420px; margin: 0 auto; }
.bodyfig { margin: 0; text-align: center; }
.bodyfig figcaption { font-size: 0.72rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); margin-top: 2px; }
.bodymap { width: 100%; height: auto; max-height: 420px; display: block; overflow: visible; }
.body-shape { fill: var(--surface-2); stroke: var(--border-strong); stroke-width: 1.6; stroke-linejoin: round; }
.body-detail path { fill: none; stroke: var(--border-strong); stroke-width: 1; stroke-linecap: round; opacity: 0.7; }
.zone { cursor: pointer; outline: none; }
.zone-hit { fill: var(--surface); stroke: var(--brand); stroke-width: 1; opacity: 0.92; transition: fill 0.15s; }
.zone-label { font: 700 12px Inter, system-ui, sans-serif; fill: var(--brand); pointer-events: none; }
.zone-lead { fill: none; stroke: var(--brand); stroke-width: 1.2; stroke-dasharray: 2 2; }
.zone-ring { fill: color-mix(in srgb, var(--brand) 22%, transparent); stroke: var(--brand); stroke-width: 1.5; transition: r 0.15s, fill 0.15s; }
.zone-dot { fill: var(--brand); }
.zone:hover .zone-hit, .zone.active .zone-hit, .zone:focus-visible .zone-hit { fill: var(--brand); }
.zone:hover .zone-label, .zone.active .zone-label, .zone:focus-visible .zone-label { fill: #fff; }
.zone:hover .zone-ring, .zone.active .zone-ring, .zone:focus-visible .zone-ring { fill: color-mix(in srgb, var(--brand) 55%, transparent); r: 13px; }
.zone:focus-visible .zone-hit { stroke: var(--focus); stroke-width: 2.5; }
.block-grid { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); }
.block-card {
    display: flex; gap: 14px; align-items: center; height: 100%;
    background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-card);
    padding: 14px 16px; color: var(--text); text-decoration: none; box-shadow: var(--shadow);
    transition: border-color 0.15s, box-shadow 0.15s, transform 0.15s;
}
.block-card:hover, .block-card.hover { border-color: var(--brand); box-shadow: var(--shadow-lg); transform: translateY(-1px); }
.block-icon { display: inline-flex; align-items: center; justify-content: center; flex: none; width: 44px; height: 44px; border-radius: 12px; color: var(--brand); background: var(--brand-soft); }
.block-text { display: flex; flex-direction: column; gap: 2px; flex: 1; min-width: 0; }
.block-text strong { font-weight: 650; }
.block-text > span:not(.chip) { color: var(--muted); font-size: 0.9rem; }
.quickref summary, .teach summary { display: flex; align-items: center; gap: 8px; cursor: pointer; font-weight: 650; list-style: none; min-height: 32px; }
.quickref summary::-webkit-details-marker, .teach summary::-webkit-details-marker { display: none; }
.quickref[open] summary { margin-bottom: 12px; }
.dose-strip { display: flex; gap: 8px; align-items: flex-start; font-size: 0.86rem; color: var(--amber-text); background: var(--amber-bg); border: 1px solid var(--amber-border); border-radius: 12px; padding: 10px 14px; }
.dose-strip .icon { margin-top: 3px; }

/* tables */
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
table { border-collapse: collapse; width: 100%; font-size: 0.9rem; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--muted); }
table.mini { width: auto; margin: 6px 0 10px; }
table.mini tr.hit td { background: var(--green-bg); color: var(--green-text); font-weight: 650; }

/* block page */
.tabs { display: flex; gap: 6px; margin: 0 0 16px; border-bottom: 1px solid var(--border); overflow-x: auto; }
.tab {
    display: inline-flex; align-items: center; gap: 8px; white-space: nowrap; padding: 10px 14px; margin-bottom: -1px;
    color: var(--muted); text-decoration: none; font-weight: 600; border-bottom: 3px solid transparent; min-height: 44px;
}
.tab:hover { color: var(--text); }
.tab[aria-current="page"] { color: var(--brand); border-bottom-color: var(--brand); }
.source { display: flex; gap: 6px; align-items: flex-start; font-size: 0.78rem; font-weight: 600; color: var(--green-text); margin: 4px 0 6px; clear: both; }
.source .icon { margin-top: 2px; }
.source.app { color: var(--muted); }
.app-note { font-size: 0.82rem; color: var(--muted); margin: 6px 0 0; padding-left: 10px; border-left: 3px solid var(--border-strong); }
.hint.after { margin: 6px 0 0; }
.options.stack { flex-direction: column; align-items: stretch; }
.options.stack .option { width: 100%; }
.option.check.paper { border-style: dashed; }
.details-wrap { margin-top: 10px; display: flex; flex-direction: column; gap: 6px; }
.flag.small { font-size: 0.86rem; color: var(--muted); }
.flag.small input { width: 18px; height: 18px; }
.num-input { max-width: 8.5rem; }
.contra-rows { display: flex; flex-direction: column; gap: 8px; margin-bottom: 6px; }
.contra-row { display: flex; flex-wrap: wrap; gap: 8px 12px; align-items: center; justify-content: space-between; padding: 10px 12px; border: 1px solid var(--border); border-radius: 12px; background: var(--surface-2); }
.contra-label { flex: 1 1 220px; font-size: 0.94rem; }
.contra-row .option.choice { min-height: 40px; padding: 7px 12px; }
.trust-dose { border: 1px solid var(--green-border); background: var(--green-bg); color: var(--green-text); border-radius: 12px; padding: 10px 14px; margin: 12px 0; }
.trust-dose .callout { margin: 8px 0; }
.trust-dose table.mini td, .trust-dose table.mini th { border-color: var(--green-border); color: inherit; }
.calc-title { display: flex; align-items: center; gap: 6px; font-weight: 700; margin: 0 0 6px; }
.computed-value p { margin: 4px 0; }
.bullets { margin: 6px 0 10px; padding-left: 20px; }
.bullets li { margin: 4px 0; }
.steps { padding-left: 22px; margin: 6px 0 12px; }
.steps li { margin: 6px 0; }
.teach { margin: 14px 0 4px; border: 1px solid var(--neutral-border); background: var(--neutral-bg); color: var(--neutral-text); border-radius: 12px; padding: 8px 12px; }
.teach-body { padding: 4px 2px 6px; font-size: 0.92rem; }
.teach-body p { margin: 8px 0; }
.teach .callout { margin: 8px 0; }

/* learn */
.learn h2 { margin-top: 6px; }
.learn h3 { font-size: 0.95rem; margin: 6px 0; }
.learn-grid { display: grid; gap: 16px; grid-template-columns: minmax(0, 1fr); }
@media (min-width: 900px) { .learn-grid { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); } }
.learn-grid > .card { margin: 0; }
.learn > .learn-grid { margin-bottom: 16px; }
.learn .label-row h2 { margin: 0; }
.facts { display: grid; grid-template-columns: max-content 1fr; gap: 6px 12px; margin: 8px 0 0; font-size: 0.9rem; }
.facts dt { font-weight: 650; color: var(--muted); }
.facts dd { margin: 0; }
.us-wrap { position: relative; width: 100%; aspect-ratio: 3 / 2; border-radius: 12px; overflow: hidden; background: #000; border: 3px solid #0f172a; }
.us-stage, .us-svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.us-range { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0; cursor: ew-resize; margin: 0; z-index: 2; }
.us-handle {
    position: absolute; top: 50%; left: calc(50% - 16px); transform: translateY(-50%); width: 32px; height: 32px; border-radius: 50%;
    background: #2563eb; color: #fff; display: flex; align-items: center; justify-content: center; pointer-events: none; z-index: 1; box-shadow: 0 2px 6px rgba(0,0,0,.4);
}
.us-labels { position: absolute; bottom: 10px; left: 10px; right: 10px; display: flex; justify-content: space-between; pointer-events: none; }
.us-labels span { background: rgba(0,0,0,.55); color: #fff; font-size: 0.7rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; padding: 3px 8px; border-radius: 6px; }
.us-pane[hidden] { display: none; }
.us-tools { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px; margin-top: 10px; }
.us-note { margin: 10px 0 4px; }
.sono-label { font: 700 15px Inter, system-ui, sans-serif; fill: #fff; stroke: rgba(0, 0, 0, 0.78); stroke-width: 4px; paint-order: stroke; stroke-linejoin: round; pointer-events: none; }
.sono-spread-label { fill: #9fdcff; }
.sono-orient { font: 700 13px Inter, system-ui, sans-serif; fill: #fff; stroke: rgba(0, 0, 0, 0.7); stroke-width: 3px; paint-order: stroke; letter-spacing: 0.06em; text-transform: uppercase; }
.sono-tick { font: 600 12px Inter, system-ui, sans-serif; fill: #fff; stroke: rgba(0, 0, 0, 0.7); stroke-width: 3px; paint-order: stroke; }
.no-labels .sono-labels { display: none; }
@media (max-width: 600px) { .sono-label { font-size: 19px; } .sono-orient { font-size: 16px; } .sono-tick { font-size: 15px; } }
.sono-needle { stroke-dasharray: 600; stroke-dashoffset: 600; animation: sonoNeedle 2.2s 0.4s ease-out forwards; }
.sono-spread, .sono-spread-label { opacity: 0; animation: sonoSpread 1.4s 2.6s ease-out forwards; }
@keyframes sonoNeedle { to { stroke-dashoffset: 0; } }
@keyframes sonoSpread { to { opacity: 1; } }
@media (prefers-reduced-motion: reduce) {
    .sono-needle, .sono-spread, .sono-spread-label { animation: none; stroke-dashoffset: 0; opacity: 1; }
}
.scan-fig, .probe-fig { margin: 0; }
.scan-fig img { width: 100%; height: auto; display: block; border-radius: 12px; background: #000; }
.probe-fig img { width: 100%; height: auto; display: block; border-radius: 12px; border: 1px solid var(--border); background: #fff; }
.scan-fig figcaption, .probe-fig figcaption { font-size: 0.84rem; color: var(--muted); margin-top: 8px; }
.scan-fig figcaption p { margin: 0 0 6px; }
.credit { font-size: 0.78rem; overflow-wrap: anywhere; }

/* printed patient advice */
.print-area { display: none; }
@media print {
    body.printing-advice > *:not(.print-area) { display: none !important; }
    body.printing-advice .print-area { display: block; color: #000; background: #fff; font-size: 13pt; }
    .print-area h1 { font-size: 20pt; border-bottom: 2px solid #000; padding-bottom: 8px; }
    .print-area h2 { font-size: 14pt; margin-top: 16px; }
    .print-foot { margin-top: 30px; font-size: 10pt; color: #444; }
    .tabs, .teach, .dose-strip { display: none !important; }
}
.field-wrap > .options > .option.check { width: 100%; }
.learn .label-row { flex-wrap: wrap; }