/* Phone-first single column. Tokens follow prototype/screen-review.html (teal = clinic-verified, violet = self-reported, red = risk). */
:root {
  --bg: #EEF2EF;
  --surface: #FBFCFA;
  --surface-2: #E3EBE8;
  --ink: #0F2A2E;
  --muted: #566A6B;
  --line: #CCD8D4;
  --teal: #0C6A63;
  --teal-ink: #F4FAF8;
  --teal-soft: #D4EAE6;
  --self: #5B4F8F;
  --self-soft: #E7E3F3;
  --warn: #9A5B00;
  --warn-soft: #F6E7CC;
  --crit: #A23B2A;
  --crit-soft: #F6DDD7;
  --font-ui: -apple-system, BlinkMacSystemFont, 'Apple SD Gothic Neo', 'PingFang SC', 'Noto Sans KR', 'Noto Sans SC', 'Segoe UI', Roboto, sans-serif;
  --font-data: ui-monospace, 'SF Mono', Menlo, 'Roboto Mono', monospace;
  --r: 10px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0B1719; --surface: #11221F; --surface-2: #17302C; --ink: #E3EEEA; --muted: #98AEAA;
    --line: #24403B; --teal: #4DB5A9; --teal-ink: #062521; --teal-soft: #163C37;
    --self: #ADA2E0; --self-soft: #2A2546; --warn: #E2A84B; --warn-soft: #3A2C12;
    --crit: #E07C69; --crit-soft: #3D1E18; color-scheme: dark;
  }
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: var(--font-ui); font-size: 16px; line-height: 1.55; }
a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
button:disabled { opacity: 0.5; cursor: default; }
:focus-visible { outline: 2px solid var(--teal); outline-offset: 2px; }
h1, h2 { margin: 0; line-height: 1.25; text-wrap: balance; }
h1 { font-size: 20px; }
h1.big { font-size: 24px; }
h2 { font-size: 14px; font-weight: 600; }
p { margin: 0; }
:lang(ko) { word-break: keep-all; overflow-wrap: anywhere; }
.mono { font-family: var(--font-data); font-variant-numeric: tabular-nums; }
.small { font-size: 13px; }
.muted { color: var(--muted); }
.sub { color: var(--muted); font-size: 14px; }
.center { text-align: center; }

.top { position: sticky; top: 0; z-index: 5; display: flex; justify-content: space-between; align-items: center; gap: 8px;
  padding: calc(env(safe-area-inset-top, 0px) + 10px) max(16px, env(safe-area-inset-right, 0px)) 10px max(16px, env(safe-area-inset-left, 0px));
  background: var(--bg); border-bottom: 1px solid var(--line); }
.brand { font-weight: 700; letter-spacing: 0.02em; font-size: 15px; }
.demo { font-size: 11px; font-weight: 600; letter-spacing: 0.04em; padding: 2px 8px; border-radius: 99px; background: var(--warn-soft); color: var(--warn); white-space: nowrap; }

.app { max-width: 480px; margin: 0 auto; display: flex; flex-direction: column; gap: 18px;
  padding: 16px max(16px, env(safe-area-inset-right, 0px)) calc(env(safe-area-inset-bottom, 0px) + 40px) max(16px, env(safe-area-inset-left, 0px)); }
body.doc .app { max-width: 760px; }

.bar { display: flex; align-items: center; justify-content: space-between; gap: 8px; min-height: 40px; }
.bar.end { justify-content: flex-end; }
.link { background: none; border: 0; padding: 8px 0; color: var(--teal); font-weight: 600; font-size: 15px; }
.btn { display: inline-flex; align-items: center; justify-content: center; text-align: center; border: 1px solid var(--line); background: var(--surface); border-radius: var(--r); padding: 13px 14px; font-weight: 600; min-height: 48px; }
.btn.primary { background: var(--teal); color: var(--teal-ink); border-color: var(--teal); }
.btn.block { width: 100%; }
.btn.wallet { background: #000000; color: #FFFFFF; border-color: #000000; }
.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.row2.quiet { align-items: center; justify-items: center; }

.hero { display: grid; gap: 8px; padding-top: 12px; }
.lead { font-size: 22px; font-weight: 700; line-height: 1.3; }
.sec { display: grid; gap: 8px; }
.sec-h { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.list { display: grid; gap: 8px; }
.row-btn { display: flex; justify-content: space-between; align-items: center; gap: 12px; text-align: left; padding: 14px 16px; border-radius: var(--r); border: 1px solid var(--line); background: var(--surface); font-size: 16px; min-height: 52px; }
.row-btn[aria-pressed="true"] { border-color: var(--teal); background: var(--teal-soft); font-weight: 600; }

.profile { display: grid; gap: 2px; padding: 14px; background: var(--surface-2); border-radius: var(--r); }
.profile b { font-size: 21px; }
.profile .meta { font-size: 14px; color: var(--muted); }
.badge { display: inline-flex; align-items: center; gap: 4px; font-size: 11px; font-weight: 600; padding: 2px 8px; border-radius: 99px; white-space: nowrap; }
.badge.v { background: var(--teal-soft); color: var(--teal); }
.badge.s { background: var(--self-soft); color: var(--self); }
.badge.u { background: var(--warn-soft); color: var(--warn); }
.rec { display: grid; grid-template-columns: 52px 1fr auto; gap: 10px; align-items: center; border: 1px solid var(--line); border-left: 3px solid var(--teal); border-radius: 8px; background: var(--surface); padding: 11px 12px; }
.rec .tooth { font-family: var(--font-data); font-weight: 600; font-size: 16px; color: var(--teal); }
.rec .name { font-weight: 600; }
.rec .when { font-family: var(--font-data); font-size: 12px; color: var(--muted); }
.rec .chev { color: var(--muted); font-size: 20px; }
.selfbox { border: 1px solid var(--line); border-left: 3px solid var(--self); border-radius: 8px; padding: 10px 12px; display: grid; gap: 6px; background: var(--surface); }
.kv { display: grid; grid-template-columns: 92px minmax(0, 1fr); gap: 8px; font-size: 15px; margin: 0; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; min-width: 0; overflow-wrap: anywhere; }

/* FDI tooth chart */
.chart { display: grid; gap: 4px; padding: 10px; background: var(--surface-2); border-radius: var(--r); }
.chart .jaw { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; }
.chart .half { display: grid; grid-template-columns: repeat(8, minmax(0, 1fr)); gap: 2px; }
.chart .t { aspect-ratio: 1 / 1.25; min-width: 0; border-radius: 4px; border: 1px solid var(--line); background: var(--surface); font-family: var(--font-data); font-size: 9px; color: var(--muted); display: grid; place-items: center; }
.chart .t.on { background: var(--teal); color: var(--teal-ink); border-color: var(--teal); font-weight: 600; }
.chart .t.gone { background: transparent; border-style: dashed; }
.chart .mid { height: 1px; background: var(--line); margin-block: 2px; }
.chart .lbl { display: flex; justify-content: space-between; font-size: 10px; color: var(--muted); }

.card { border: 1px solid var(--line); border-radius: var(--r); padding: 14px; display: grid; gap: 6px; background: var(--surface); }
.card h2 { font-size: 13px; color: var(--muted); }
.card.note { background: var(--surface-2); border: 0; }

.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip { border: 1px solid var(--line); background: var(--surface); border-radius: 99px; padding: 8px 13px; font-size: 15px; min-height: 40px; }
.chip[aria-pressed="true"] { background: var(--self); border-color: var(--self); color: var(--surface); }
.addrow { display: flex; gap: 6px; margin: 0; }
.addrow input { flex: 1; min-width: 0; border: 1px solid var(--line); border-radius: 8px; padding: 10px; background: var(--surface); font-size: 16px; }
.custom { display: flex; justify-content: space-between; align-items: center; gap: 8px; font-size: 15px; }
.warnline { font-size: 14px; padding: 9px 11px; border-radius: 8px; background: var(--warn-soft); color: var(--warn); }

.opt { display: flex; gap: 10px; align-items: center; border: 1px solid var(--line); border-radius: var(--r); padding: 13px; background: var(--surface); text-align: left; min-height: 50px; }
.opt[aria-pressed="true"] { border-color: var(--teal); background: var(--teal-soft); font-weight: 600; }
.opt .dot { width: 18px; height: 18px; border-radius: 50%; border: 2px solid var(--line); flex: none; }
.opt[aria-pressed="true"] .dot { border: 6px solid var(--teal); }
.qr { align-self: center; display: grid; place-items: center; width: 300px; max-width: 100%; aspect-ratio: 1; background: #FFFFFF; border-radius: 14px; border: 1px solid var(--line); }
.qr canvas { display: block; max-width: 100%; height: auto !important; }
.qr .sub { color: #566A6B; }
.linkbox { width: 100%; min-height: 96px; border: 1px solid var(--line); border-radius: 8px; padding: 10px; background: var(--surface); font: 12px/1.4 var(--font-data); word-break: break-all; }

/* doctor view */
.doc-h { display: grid; gap: 2px; padding-bottom: 10px; border-bottom: 2px solid var(--ink); }
.doc-h .kicker { font-size: 11px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }
.doc-h .meta { font-family: var(--font-data); font-size: 13px; color: var(--muted); }
.alert { border-radius: var(--r); background: var(--crit-soft); padding: 12px 14px; display: grid; gap: 6px; }
.alert h2 { color: var(--crit); font-size: 13px; text-transform: uppercase; letter-spacing: 0.05em; }
.alert h2 .norm { text-transform: none; letter-spacing: 0; }
.alert ul { margin: 0; padding-left: 18px; font-size: 15px; }
.alert .risk { color: var(--crit); font-weight: 600; }
.tbl-wrap { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; font-size: 14px; }
th { text-align: left; font-size: 11px; color: var(--muted); font-weight: 600; text-transform: uppercase; letter-spacing: 0.04em; padding: 6px 8px 6px 0; border-bottom: 1px solid var(--line); }
td { padding: 9px 8px 9px 0; border-bottom: 1px solid var(--line); vertical-align: top; }
td.mono { white-space: nowrap; font-size: 13px; }
td.wrap { overflow-wrap: anywhere; min-width: 7em; }
td .badge { margin-top: 4px; }
.foot { font-size: 13px; color: var(--muted); }

/* emergency card */
.em { border-radius: 16px; border: 3px solid var(--crit); padding: 18px; display: grid; gap: 14px; background: var(--surface); }
.em .head b { color: var(--crit); font-size: 15px; letter-spacing: 0.03em; }
.em .plea { font-size: 18px; font-weight: 700; }
.em .plea small { display: block; font-size: 14px; font-weight: 400; color: var(--muted); }
.em dl { margin: 0; display: grid; gap: 12px; }
.em dt { font-size: 13px; color: var(--muted); }
.em dd { margin: 0; font-size: 22px; font-weight: 700; line-height: 1.3; overflow-wrap: anywhere; }
.em dd small { display: block; font-size: 14px; font-weight: 500; color: var(--muted); margin-bottom: 4px; }

.toast { position: fixed; left: max(16px, env(safe-area-inset-left, 0px)); right: max(16px, env(safe-area-inset-right, 0px)); bottom: calc(env(safe-area-inset-bottom, 0px) + 18px);
  max-width: 448px; margin: 0 auto; background: var(--ink); color: var(--surface); border-radius: var(--r); padding: 12px 14px; font-size: 14px; z-index: 10; }