:root {
  --bg: #f4f7f7;
  --panel: #ffffff;
  --panel-2: #eef3f3;
  --ink: #132226;
  --muted: #56676b;
  --line: #d9e3e4;
  --accent: #0f7c80;
  --accent-ink: #ffffff;
  --accent-soft: #dff1f1;
  --ok: #1d7a46;
  --bad: #b3261e;
  --bad-soft: #fdeceb;
  --warn: #8a5300;
  --warn-soft: #fff4de;
  --info-soft: #e8f1fb;
  --info: #24548a;
  --shadow: 0 1px 2px rgba(15, 35, 40, 0.06), 0 6px 24px rgba(15, 35, 40, 0.06);
  --radius: 14px;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  color-scheme: light;
}
:root[data-theme="dark"] {
  --bg: #0d1517;
  --panel: #142023;
  --panel-2: #1a292d;
  --ink: #e4eeef;
  --muted: #98abaf;
  --line: #29393d;
  --accent: #4cc3c6;
  --accent-ink: #062022;
  --accent-soft: #173638;
  --ok: #5fd394;
  --bad: #ff8a80;
  --bad-soft: #3a1c1b;
  --warn: #ffc76b;
  --warn-soft: #3a2c14;
  --info-soft: #182a3d;
  --info: #9cc5f2;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 6px 24px rgba(0, 0, 0, 0.25);
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 16px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  overflow-x: hidden;
}
a { color: var(--accent); }
.hidden { display: none !important; }
code { font-family: var(--mono); font-size: .88em; background: var(--panel-2); border-radius: 4px; padding: .05rem .3rem; }
.muted { color: var(--muted); }
.small { font-size: .85rem; }

button { font: inherit; cursor: pointer; border-radius: 10px; border: 1px solid transparent; padding: .55rem 1rem; }
button:disabled { opacity: .55; cursor: not-allowed; }
button.primary { background: var(--accent); color: var(--accent-ink); font-weight: 600; }
button.primary:hover:not(:disabled) { filter: brightness(1.07); }
button.secondary { background: var(--accent-soft); color: var(--accent); font-weight: 600; border-color: var(--accent); }
button.ghost { background: transparent; color: var(--ink); border-color: var(--line); }
button.ghost:hover:not(:disabled) { border-color: var(--accent); color: var(--accent); }
button.small { padding: .3rem .65rem; font-size: .85rem; }
button.icon { padding: .35rem .6rem; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }

/* ---- Header ------------------------------------------------------------- */
.topbar { display: flex; align-items: center; justify-content: space-between; gap: .75rem; flex-wrap: wrap;
  padding: .7rem 1rem; background: var(--panel); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 5; }
.brand { display: flex; align-items: center; gap: .5rem; min-width: 0; }
.backlink { text-decoration: none; color: var(--muted); font-size: .9rem; white-space: nowrap; }
.sep { color: var(--line); }
.appname { white-space: nowrap; }
.logo { display: inline-flex; align-items: center; justify-content: center; width: 1.5rem; height: 1.5rem; border-radius: 7px;
  background: var(--accent); color: var(--accent-ink); font-weight: 800; margin-right: .2rem; }
.topactions { display: flex; align-items: center; gap: .5rem; flex-wrap: wrap; }
.credits { font-size: .88rem; color: var(--muted); }
.topup { font-size: .88rem; font-weight: 600; text-decoration: none; }

/* ---- Layout ------------------------------------------------------------- */
main { max-width: 980px; margin: 0 auto; padding: 1.25rem 1rem 2rem; }
.hero h1 { font-size: clamp(1.6rem, 4.5vw, 2.3rem); line-height: 1.15; margin: .4rem 0 .5rem; }
.lede { font-size: 1.05rem; color: var(--muted); max-width: 64ch; margin: 0 0 .6rem; }
.pitch { margin: 0 0 1rem; color: var(--muted); font-size: .95rem; }
.pill { display: inline-block; background: var(--accent-soft); color: var(--accent); font-weight: 700; font-size: .8rem;
  border-radius: 999px; padding: .15rem .6rem; margin-right: .35rem; }
.safety { border-left: 4px solid var(--bad); background: var(--bad-soft); border-radius: 10px; padding: .7rem .9rem; margin: 0 0 1rem; font-size: .93rem; }
.safety p { margin: 0; }
.examples { display: flex; flex-wrap: wrap; gap: .45rem; align-items: center; margin: 0 0 1rem; }
.exlabel { font-size: .88rem; color: var(--muted); margin-right: .2rem; }
.chip { background: var(--panel); border: 1px solid var(--line); color: var(--ink); border-radius: 999px; padding: .35rem .8rem; font-size: .88rem; }
.chip:hover { border-color: var(--accent); color: var(--accent); }
.chip-warn { border-color: var(--bad); color: var(--bad); }

.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 1.1rem; margin: 0 0 1rem; }

/* ---- Intake form ------------------------------------------------------------ */
.row4 { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: .75rem; margin-bottom: .4rem; }
.row2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
.fld { display: flex; flex-direction: column; gap: .25rem; font-size: .88rem; font-weight: 600; color: var(--muted); }
.lbl { display: block; font-weight: 600; margin: .8rem 0 .3rem; }
.req { font-size: .72rem; font-weight: 700; color: var(--accent); background: var(--accent-soft); border-radius: 999px; padding: .05rem .45rem; margin-left: .3rem; }
.hint { margin: -.1rem 0 .35rem; font-size: .85rem; color: var(--muted); }
textarea, input[type="text"], input[type="search"], select {
  width: 100%; font: inherit; color: var(--ink); background: var(--panel-2); border: 1px solid var(--line);
  border-radius: 10px; padding: .55rem .7rem; }
textarea { resize: vertical; min-height: 3rem; line-height: 1.45; }
select { padding: .5rem .6rem; }
textarea:focus, input:focus, select:focus { border-color: var(--accent); outline: none; box-shadow: 0 0 0 3px var(--accent-soft); }
.medsprev { display: flex; flex-wrap: wrap; gap: .3rem; margin-top: .4rem; align-items: center; }
.prevlabel { font-size: .8rem; color: var(--muted); margin-right: .2rem; }
.medchip { font-size: .78rem; background: var(--accent-soft); color: var(--accent); border-radius: 999px; padding: .1rem .55rem; }
.medchip.nodose { background: var(--warn-soft); color: var(--warn); }

.freecheck { margin-top: 1rem; border: 1px dashed var(--line); border-radius: 12px; padding: .7rem .85rem; background: var(--panel-2); }
.checkhead { display: flex; flex-wrap: wrap; gap: .5rem; align-items: baseline; margin-bottom: .3rem; }
.freetag { font-size: .78rem; color: var(--ok); font-weight: 600; }
.flagszone p { margin: .2rem 0; }
.urgentbox { border-radius: 10px; padding: .6rem .8rem; margin: .2rem 0; }
.urgentbox.emergency { background: var(--bad-soft); border: 1px solid var(--bad); }
.urgentbox.urgent { background: var(--warn-soft); border: 1px solid var(--warn); }
.urgentbox ul { margin: .4rem 0 0; }
.flagact { display: inline-block; font-size: .72rem; font-weight: 800; text-transform: uppercase; letter-spacing: .03em;
  border-radius: 6px; padding: .05rem .4rem; }
.flagact.emergency, .flag.emergency .flagact { background: var(--bad); color: #fff; }
.flagact.urgent, .flag.urgent .flagact { background: var(--warn); color: #fff; }
.flag.call .flagact { background: var(--info); color: #fff; }
:root[data-theme="dark"] .flagact.emergency, :root[data-theme="dark"] .flag.emergency .flagact,
:root[data-theme="dark"] .flagact.urgent, :root[data-theme="dark"] .flag.urgent .flagact,
:root[data-theme="dark"] .flag.call .flagact { color: #10171a; }

.savebox { display: flex; gap: .5rem; align-items: flex-start; font-size: .88rem; color: var(--muted); margin: .9rem 0 .2rem; }
.savebox input { margin-top: .25rem; }
.runrow { display: flex; flex-wrap: wrap; gap: .75rem; align-items: center; justify-content: space-between; margin-top: .8rem; }
.runbox { display: flex; flex-wrap: wrap; gap: .6rem; align-items: center; }
.meter { font-size: .82rem; color: var(--muted); }
.gate { margin-top: .6rem; background: var(--warn-soft); border-radius: 10px; padding: .5rem .75rem; font-size: .9rem; }
.gate p { margin: 0; }
.notice { border-radius: 10px; padding: .55rem .8rem; margin: .6rem 0; font-size: .9rem; }
.notice.warn, #clipNotice { background: var(--warn-soft); color: var(--ink); border-left: 4px solid var(--warn); }
.notice.info { background: var(--info-soft); border-left: 4px solid var(--info); }
.notice ul { margin: .3rem 0 0; }

/* ---- Progress -------------------------------------------------------------- */
.proghead { display: flex; justify-content: space-between; align-items: baseline; }
.elapsed { font-family: var(--mono); color: var(--muted); font-size: .9rem; }
.stagelist { list-style: none; padding: 0; margin: .6rem 0 0; display: grid; gap: .3rem; }
.stage { display: flex; gap: .55rem; align-items: center; color: var(--muted); font-size: .92rem; }
.stage.now { color: var(--ink); font-weight: 600; }
.stage.done { color: var(--ok); }
.stagedot { width: 1.4rem; height: 1.4rem; border-radius: 50%; border: 1px solid var(--line); display: inline-flex;
  align-items: center; justify-content: center; font-size: .75rem; flex: none; }
.stage.now .stagedot { border-color: var(--accent); color: var(--accent); }
.stage.done .stagedot { background: var(--ok); color: #fff; border-color: var(--ok); }

/* ---- Result sheet ------------------------------------------------------------ */
.restools { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: .6rem;
  border-bottom: 1px solid var(--line); padding-bottom: .7rem; margin-bottom: .8rem; }
.toolbtns { display: flex; flex-wrap: wrap; gap: .4rem; }
.sheethead h2 { margin: 0 0 .2rem; font-size: 1.35rem; }
.who { margin: 0 0 .6rem; color: var(--muted); font-size: .9rem; }
.banner { border-radius: 12px; padding: .75rem .9rem; margin: .6rem 0; }
.banner p { margin: .3rem 0 0; }
.banner.urgent { background: var(--bad-soft); border: 2px solid var(--bad); }
.banner.need_more, .banner.not_health { background: var(--warn-soft); border: 1px solid var(--warn); }
.sec { border-top: 1px solid var(--line); padding: .8rem 0 .4rem; }
.sechead { display: flex; justify-content: space-between; align-items: center; gap: .5rem; flex-wrap: wrap; }
.sechead h3 { margin: 0; font-size: 1.05rem; }
.sectools { display: flex; gap: .5rem; align-items: center; }
.printinc { font-size: .8rem; color: var(--muted); display: inline-flex; align-items: center; gap: .2rem; }
.sec-red_flags { border-top: 0; }
.secbody h4 { margin: .8rem 0 .3rem; font-size: .9rem; color: var(--muted); text-transform: uppercase; letter-spacing: .03em; }
.none { color: var(--muted); font-style: italic; margin: .3rem 0; }
ul.plain { margin: .3rem 0; padding-left: 1.2rem; }
ul.plain li { margin: .15rem 0; }
.kv { display: grid; grid-template-columns: minmax(8rem, max-content) 1fr; gap: .3rem .9rem; margin: .5rem 0; }
.kv dt { font-weight: 600; color: var(--muted); font-size: .9rem; }
.kv dd { margin: 0; }
.tablewrap { overflow-x: auto; }
table.meds { border-collapse: collapse; width: 100%; font-size: .9rem; }
table.meds th, table.meds td { border: 1px solid var(--line); padding: .35rem .55rem; text-align: left; vertical-align: top; }
table.meds th { background: var(--panel-2); }
.grid3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .9rem; }
.flags { list-style: none; padding: 0; margin: .5rem 0; display: grid; gap: .45rem; }
.flag { display: flex; flex-wrap: wrap; gap: .25rem .55rem; align-items: baseline; border-radius: 10px; padding: .5rem .7rem; background: var(--panel-2); border-left: 4px solid var(--info); }
.flag.emergency { border-left-color: var(--bad); background: var(--bad-soft); }
.flag.urgent { border-left-color: var(--warn); background: var(--warn-soft); }
.flag .why { flex-basis: 100%; color: var(--muted); font-size: .88rem; }
.tag { display: inline-block; font-size: .72rem; font-weight: 700; border-radius: 6px; padding: .05rem .4rem; background: var(--panel-2); color: var(--muted); }
.tag.top { background: var(--accent); color: var(--accent-ink); margin-right: .35rem; }
.tag.added { background: var(--info-soft); color: var(--info); }
.timeline { list-style: none; padding: 0 0 0 .2rem; margin: .5rem 0; border-left: 2px solid var(--accent); }
.ev { position: relative; padding: .25rem 0 .55rem 1.1rem; display: flex; flex-wrap: wrap; gap: .2rem .6rem; align-items: baseline; }
.ev::before { content: ""; position: absolute; left: -.42rem; top: .55rem; width: .7rem; height: .7rem; border-radius: 50%;
  background: var(--panel); border: 2px solid var(--accent); }
.ev.treatment::before { background: var(--accent); }
.when { font-weight: 700; min-width: 7rem; }
.what { flex: 1 1 16rem; }
.questions { margin: .5rem 0; padding-left: 1.4rem; }
.q { margin: .2rem 0 .6rem; }
.q .why { display: block; color: var(--muted); font-size: .88rem; }
.noteline { display: none; }
.mayask { list-style: none; padding: 0; margin: .5rem 0; display: grid; gap: .5rem; }
.mayask .ans { display: block; margin-top: .1rem; }
.mayask .ans.think { color: var(--warn); font-style: italic; }
ul.checks { list-style: none; padding: 0; }
ul.checks li::before { content: "\2610  "; color: var(--accent); }
.sheetfoot { color: var(--muted); font-size: .82rem; border-top: 1px solid var(--line); padding-top: .6rem; margin-top: .8rem; }
.ownq { margin-top: .6rem; }
.ownqrow { display: flex; gap: .5rem; }
.raw pre { white-space: pre-wrap; word-break: break-word; background: var(--panel-2); padding: .7rem; border-radius: 10px; font-size: .82rem; }

/* ---- History ----------------------------------------------------------------- */
.histhead { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: .6rem; }
.histhead h2 { margin: 0; font-size: 1.15rem; }
.histhead input { max-width: 18rem; }
.histlist { list-style: none; padding: 0; margin: .7rem 0 0; display: grid; gap: .4rem; }
.histitem { display: flex; gap: .5rem; align-items: stretch; }
.histopen { flex: 1; text-align: left; background: var(--panel-2); border: 1px solid var(--line); color: var(--ink);
  display: flex; flex-direction: column; gap: .1rem; min-width: 0; }
.histopen strong { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.histopen:hover { border-color: var(--accent); }

.foot { max-width: 980px; margin: 0 auto; padding: 0 1rem 2rem; color: var(--muted); font-size: .85rem; }
.toasts { position: fixed; bottom: 1rem; left: 50%; transform: translateX(-50%); display: grid; gap: .4rem; z-index: 20; width: min(92vw, 480px); }
.toast { background: var(--ink); color: var(--bg); border-radius: 10px; padding: .6rem .9rem; font-size: .9rem; box-shadow: var(--shadow); transition: opacity .5s; }
.toast.err { background: var(--bad); color: #fff; }
.toast a { color: inherit; font-weight: 700; }
.toast.gone { opacity: 0; }

@media (max-width: 760px) {
  .row4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .row2, .grid3 { grid-template-columns: 1fr; }
  .kv { grid-template-columns: 1fr; gap: .1rem; }
  .kv dd { margin-bottom: .4rem; }
  .card { padding: .9rem; }
  .runrow, .runbox { width: 100%; }
  .runbox button.primary, .runrow button.secondary { flex: 1 1 100%; }
  .backlink { display: none; }
  .sep { display: none; }
  .histhead input { max-width: none; }
}

/* ---- Print: only the sheet, only the sections left switched on ----------------- */
@media print {
  @page { margin: 14mm; }
  .topbar, .hero, .safety, .examples, #form, #progressPanel, .restools, .ownq, .history, .foot, .toasts, .sectools, .raw, .notice { display: none !important; }
  :root, :root[data-theme="dark"] { --bg: #fff; --panel: #fff; --panel-2: #f3f3f3; --ink: #000; --muted: #333; --line: #bbb; --accent: #0b5f62; --accent-ink: #fff; --bad-soft: #fff; --warn-soft: #fff; --info-soft: #fff; }
  body { background: #fff; color: #000; font-size: 11pt; line-height: 1.4; }
  main { padding: 0; max-width: none; }
  .card { box-shadow: none; border: 0; padding: 0; margin: 0; }
  .sec.noprint { display: none !important; }
  .sec { page-break-inside: avoid; padding: .4rem 0 .2rem; }
  .flag { border: 1px solid #999; }
  .noteline { display: block; border-bottom: 1px solid #999; height: 1.3em; margin-top: .2rem; color: #666; font-size: 9pt; }
  a { color: #000; text-decoration: none; }
  .mayask .ans.think { color: #555; }
}

/* ---- Docs pages (api.html, tokens.html) ------------------------------------------ */
main.doc { max-width: 900px; }
main.doc h2 { margin-top: 1.75rem; }
main.doc p { max-width: 72ch; }
main.doc ul { max-width: 72ch; }
main.doc pre { background: var(--panel-2); border: 1px solid var(--line); border-radius: 8px;
  padding: .8rem; overflow-x: auto; font-size: .82rem; line-height: 1.55;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
main.doc pre.block { display: inline-block; padding: .35rem .6rem; }
main.doc code { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: .88em;
  background: var(--panel-2); border-radius: 4px; padding: .05rem .28rem; }
main.doc pre code { background: none; padding: 0; }
.errtable { width: 100%; border-collapse: collapse; margin: .75rem 0 1rem; font-size: .88rem;
  display: block; overflow-x: auto; }
.errtable th, .errtable td { border: 1px solid var(--line); padding: .45rem .6rem;
  text-align: left; vertical-align: top; }
.errtable th { background: var(--panel-2); font-weight: 600; }
.codegroup { margin: .75rem 0 1.25rem; }
.tabs { display: flex; gap: .25rem; flex-wrap: wrap; margin-bottom: .4rem; }
.tab { background: transparent; color: var(--muted); border: 1px solid var(--line);
  border-radius: 6px 6px 0 0; padding: .25rem .6rem; font-size: .8rem; }
.tab.active { color: var(--ink); background: var(--panel-2); border-bottom-color: var(--panel-2); }
.tab:hover { color: var(--ink); }
.statebox { border: 1px solid var(--line); border-radius: 8px; padding: .8rem;
  background: var(--panel-2); margin: .75rem 0 1.25rem; }
.tokenrow { display: flex; gap: .5rem; flex-wrap: wrap; align-items: center; margin: .5rem 0; }
.tokenbox { flex: 1 1 20rem; background: var(--panel-2); border: 1px solid var(--line);
  border-radius: 8px; padding: .55rem .7rem; font-size: .82rem; word-break: break-all;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
.mini { background: transparent; color: var(--ink); padding: .3rem .6rem; font-size: .82rem; }
.mini:hover:enabled { background: var(--panel-2); }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
.mini { border: 1px solid var(--line); border-radius: 8px; }
.statebox p { margin: .3rem 0; }

/* Long display math scrolls inside its own box instead of widening the page:
 * grid and flex children default to min-width:auto, which lets a wide KaTeX
 * line push its column (and the page) past the viewport. */
.steps > li, .step, .final, .explain, .checkpanel, .preview, .cbody { min-width: 0; max-width: 100%; }
.mathblock, .finaltex, .previewtex { max-width: 100%; overflow-x: auto; overflow-y: hidden; }
.katex-display { overflow-x: auto; overflow-y: hidden; max-width: 100%; }