/* Matthieu · the portal and the setup. On the app's own tokens (/app/tokens.css): graphite wall,
   glass rail, mint tint with a dark ink, SF with tabular digits, the 4px ramp (--s1..--s7), the
   type scale (label 12, body 13, title 15, head 20, fig 28, hero 34; inputs 16 so iOS never zooms).
   One filled button per view. Setup is its own mode: no rail, no tabs, one step on screen. */

:root {
  --pad: var(--s5);
  --rail-w: 15.25rem;
  --main-w: 56rem;
  --setup-w: 40rem;
  --danger: var(--red-text);
  --danger-soft: var(--red-soft);
  --ok: var(--green-text);
  --focus: var(--tint);
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; overflow-x: clip; background: #0B0C0E; }
[data-theme="light"] { background: #F5F4F2; }
body {
  margin: 0; min-block-size: 100dvh;
  background: var(--wall); background-attachment: fixed;
  color: var(--t1); font-family: var(--sans); font-size: var(--fs-body); line-height: var(--lh-body-px);
  font-synthesis: none; -webkit-font-smoothing: antialiased;
}
a { color: var(--tint-text); text-decoration: none; }
a:hover { text-decoration: underline; }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; border-radius: 4px; }
.sr-only { position: absolute; inline-size: 1px; block-size: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
[hidden] { display: none !important; }
.num { font-variant-numeric: tabular-nums; }
.code { font-family: var(--code); font-weight: var(--w-label); }
.i { inline-size: 1.125rem; block-size: 1.125rem; flex: none; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.i.mark-i, .mark { stroke: var(--tint); }
.mark { inline-size: 1.625rem; block-size: 1.125rem; fill: none; stroke-width: 2.6; stroke-linecap: round; stroke-linejoin: round; }

/* ------------------------------------------------------------------ shell */

.shell { display: grid; grid-template-columns: var(--rail-w) minmax(0, 1fr); min-block-size: 100dvh; }
.rail {
  position: sticky; inset-block-start: 0;
  display: flex; flex-direction: column; gap: var(--s5);
  margin: var(--s3); block-size: calc(100dvh - 2 * var(--s3)); padding: var(--s4) var(--s3);
  background: var(--glass); -webkit-backdrop-filter: var(--blur); backdrop-filter: var(--blur);
  border: 1px solid var(--glass-line); border-radius: var(--r-pane); box-shadow: var(--shadow);
}
.brand { display: inline-flex; align-items: center; gap: var(--s2); padding: var(--s1) var(--s2); color: var(--t1); font-size: var(--fs-title); font-weight: var(--w-strong); letter-spacing: var(--tr-title-em); }
.brand:hover { text-decoration: none; }
.ai {
  display: inline-grid; place-items: center; min-block-size: 1.25rem; padding: 0 var(--s2); border-radius: var(--r-full);
  background: var(--tint-soft); color: var(--tint-text); font-size: var(--fs-label); line-height: 1; font-weight: var(--w-strong); letter-spacing: .02em;
}
.nav { list-style: none; margin: 0; padding: 0; display: grid; gap: 2px; }
.nav a {
  display: flex; align-items: center; gap: var(--s3); min-block-size: 2.25rem; padding: 0 var(--s3);
  border-radius: var(--r-ctl); color: var(--t2); font-size: var(--fs-body); font-weight: var(--w-label);
  transition: background var(--d-state) var(--spring), color var(--d-state) var(--spring);
}
.nav a:hover { background: var(--fill3); color: var(--t1); text-decoration: none; }
.nav a[aria-current="page"] { background: var(--tint-soft); color: var(--tint-text); }
.nav .count { margin-inline-start: auto; color: var(--t2); font-size: var(--fs-label); }
.nav a[aria-current="page"] .count { color: var(--tint-text); }
.rail-foot { margin-block-start: auto; display: grid; gap: var(--s3); }
.usercard { display: flex; align-items: center; gap: var(--s3); padding: var(--s2); border-radius: var(--r-ctl); color: var(--t1); }
.usercard:hover { background: var(--fill3); text-decoration: none; }
.usercard .t { display: grid; min-inline-size: 0; }
.usercard b { font-weight: var(--w-label); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.usercard small { color: var(--t2); font-size: var(--fs-label); }
.avatar { display: grid; place-items: center; inline-size: 2rem; block-size: 2rem; flex: none; border-radius: 50%; background: var(--fill); color: var(--t1); font-weight: var(--w-strong); font-size: var(--fs-body); }

.topbar { display: none; }
.toplink { color: var(--t2); font-size: var(--fs-title); font-weight: var(--w-label); padding: var(--s2) var(--s3); border-radius: var(--r-ctl); }
.toplink:hover { background: var(--fill3); color: var(--t1); text-decoration: none; }
.view { inline-size: 100%; max-inline-size: calc(var(--main-w) + 2 * var(--pad)); padding: var(--s7) var(--pad); outline: none; display: grid; gap: var(--s5); align-content: start; }
.tabs { display: none; }

/* setup is a mode: a slim bar on top, one column, nothing else to press */
.topbar, [data-mode="setup"] .topbar {
  position: sticky; inset-block-start: 0; z-index: 5;
  align-items: center; justify-content: space-between; gap: var(--s3);
  padding: calc(var(--s2) + env(safe-area-inset-top)) var(--pad) var(--s2);
  background: var(--glass); -webkit-backdrop-filter: var(--blur-bar); backdrop-filter: var(--blur-bar);
  border-block-end: 1px solid var(--glass-line);
}
[data-mode="setup"] .topbar { display: flex; }
[data-mode="setup"] .shell { grid-template-columns: minmax(0, 1fr); grid-template-rows: auto 1fr; }
[data-mode="setup"] .rail, [data-mode="setup"] .tabs { display: none; }
[data-mode="setup"] .view { max-inline-size: calc(var(--setup-w) + 2 * var(--pad)); margin-inline: auto; padding-block: var(--s6) var(--s7); }
[data-mode="setup"] .view:has([data-step="health"]) { max-inline-size: calc(52rem + 2 * var(--pad)); }

@media (max-width: 899px) {
  :root { --pad: var(--s4); }
  .shell { grid-template-columns: minmax(0, 1fr); grid-template-rows: auto 1fr; }
  .rail { display: none; }
  .topbar { display: flex; }
  .view { padding-block: var(--s5) calc(5rem + env(safe-area-inset-bottom)); }
  [data-mode="setup"] .view { padding-block: var(--s4) calc(var(--s6) + env(safe-area-inset-bottom)); }
  .tabs {
    position: fixed; inset-inline: 0; inset-block-end: 0; z-index: 5;
    display: grid; grid-auto-flow: column; grid-auto-columns: 1fr;
    padding: var(--s1) var(--s2) calc(var(--s1) + env(safe-area-inset-bottom));
    background: var(--glass); -webkit-backdrop-filter: var(--blur-bar); backdrop-filter: var(--blur-bar);
    border-block-start: 1px solid var(--glass-line);
  }
  .tabs a { display: grid; justify-items: center; gap: 2px; min-block-size: 3rem; padding-block: var(--s1); color: var(--t2); font-size: var(--fs-label); font-weight: var(--w-label); border-radius: var(--r-ctl); }
  .tabs a:hover { text-decoration: none; }
  .tabs a .i { inline-size: 1.375rem; block-size: 1.375rem; }
  .tabs a[aria-current="page"] { color: var(--tint-text); }
}

/* ------------------------------------------------------------------ type */

.title { margin: 0; font-size: var(--fs-hero); line-height: var(--lh-hero-px); letter-spacing: var(--tr-hero-em); font-weight: var(--w-hero); text-wrap: balance; }
h2 { margin: 0; font-size: var(--fs-head); line-height: var(--lh-head-px); letter-spacing: var(--tr-head-em); font-weight: var(--w-head); text-wrap: balance; }
.eyebrow { margin: 0; display: inline-flex; align-items: center; gap: var(--s2); color: var(--t2); font-size: var(--fs-label); line-height: var(--lh-label-px); font-weight: var(--w-label); letter-spacing: 0; }
.eyebrow .i { inline-size: 1rem; block-size: 1rem; }
.status { display: inline-flex; align-items: center; gap: var(--s2); color: var(--t2); font-size: var(--fs-label); }
.status .i { inline-size: 1rem; block-size: 1rem; }
.status.ok { color: var(--ok); }
.status.err { color: var(--danger); }
.lead { margin: 0; font-size: var(--fs-title); line-height: 1.5; max-inline-size: 36rem; color: var(--t1); text-wrap: pretty; }
.meta { margin: 0; color: var(--t2); font-size: var(--fs-label); line-height: var(--lh-label-px); }
.err { margin: 0; color: var(--danger); font-size: var(--fs-label); line-height: var(--lh-label-px); }
.err:empty { display: none; }
.err.big { font-size: var(--fs-title); line-height: var(--lh-title-px); }
.tag { display: inline-flex; align-items: center; min-block-size: 1.5rem; padding: 0 var(--s2); border-radius: var(--r-full); background: var(--fill2); color: var(--t2); font-size: var(--fs-label); font-weight: var(--w-label); }
@media (max-width: 899px) { .title { font-size: var(--fs-fig); line-height: var(--lh-fig-px); letter-spacing: var(--tr-fig-em); } }

/* ------------------------------------------------------------------ surfaces */

.card {
  background: var(--card); border: 1px solid var(--card-line); border-radius: var(--r-card);
  box-shadow: var(--shadow-card); color: var(--t1);
}
a.card { display: block; transition: background var(--d-state) var(--spring), box-shadow var(--d-state) var(--spring), transform var(--d-tap) var(--spring); }
a.card:hover { background: var(--card-hover); text-decoration: none; box-shadow: var(--shadow-sm), var(--shadow-card); }
a.card:active { transform: scale(.99); }
.block { display: grid; gap: var(--s3); padding: var(--s5); align-content: start; }
.empty { display: flex; align-items: center; gap: var(--s2); padding: var(--s5); color: var(--t2); font-size: var(--fs-title); }
.notice { display: flex; align-items: center; gap: var(--s2); padding: var(--s3) var(--s4); color: var(--orange-text); background: var(--orange-soft); border-color: transparent; }
.appmark { display: grid; place-items: center; inline-size: 2.75rem; block-size: 2.75rem; flex: none; border-radius: var(--r-tile); background: var(--fill2); color: var(--t1); }
.appmark .i { inline-size: 1.375rem; block-size: 1.375rem; }
.appmark.sm { inline-size: 2.25rem; block-size: 2.25rem; border-radius: var(--r-ctl); color: var(--t2); }
.appmark.sm .i { inline-size: 1.125rem; block-size: 1.125rem; }
.appmark.ok { background: var(--tint-soft); color: var(--tint-text); }
.okmark { display: grid; place-items: center; inline-size: 1.75rem; block-size: 1.75rem; flex: none; border-radius: 50%; background: var(--tint); color: var(--on-tint); }
.okmark .i { inline-size: 1rem; block-size: 1rem; stroke-width: 2.4; }
.chev { color: var(--t3); }

/* ------------------------------------------------------------------ buttons, one state matrix */

.btn {
  position: relative; display: inline-flex; align-items: center; justify-content: center; gap: var(--s2);
  min-block-size: 2.75rem; padding: 0 var(--s4); border: 1px solid transparent; border-radius: var(--r-btn);
  font: inherit; font-size: var(--fs-title); font-weight: var(--w-strong); letter-spacing: -0.01em; white-space: nowrap;
  cursor: pointer; text-decoration: none; -webkit-tap-highlight-color: transparent;
  transition: background var(--d-state) var(--spring), color var(--d-state) var(--spring), transform var(--d-tap) var(--spring), opacity var(--d-state) var(--spring);
}
.btn:hover { text-decoration: none; }
.btn:active { transform: scale(.97); }
.btn:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; border-radius: var(--r-btn); }
.btn[aria-busy="true"] { cursor: progress; opacity: .7; }
.btn[aria-busy="true"]::after { content: ""; inline-size: .875rem; block-size: .875rem; border-radius: 50%; border: 2px solid currentColor; border-inline-end-color: transparent; animation: spin .7s linear infinite; }
.btn:disabled { cursor: not-allowed; opacity: .4; transform: none; }
.btn.small { min-block-size: 2.25rem; padding: 0 var(--s3); font-size: var(--fs-body); }
.btn.big { min-block-size: 3.25rem; padding: 0 var(--s5); }
.btn.wide { inline-size: 100%; }
.btn .i { inline-size: 1.125rem; block-size: 1.125rem; }
.btn.filled { background: var(--tint); color: var(--on-tint); box-shadow: var(--shadow-tint); }
.btn.filled:hover:not(:disabled) { background: color-mix(in oklch, var(--tint) 88%, white); }
.btn.tinted { background: var(--tint-soft); color: var(--tint-text); border-color: var(--tint-line); }
.btn.tinted:hover:not(:disabled) { background: color-mix(in oklch, var(--tint) 24%, transparent); }
.btn.quiet { background: var(--fill2); color: var(--t1); }
.btn.quiet:hover:not(:disabled) { background: var(--fill); }
.btn.danger { background: var(--danger-soft); color: var(--danger); }
.btn.danger:hover:not(:disabled) { background: color-mix(in oklch, var(--red) 24%, transparent); }
.btn.danger.solid { background: var(--red); color: #fff; }
.iconbtn { display: inline-grid; place-items: center; inline-size: 2.75rem; block-size: 2.75rem; flex: none; border: 0; border-radius: var(--r-ctl); background: var(--fill2); color: var(--t1); cursor: pointer; }
.iconbtn:hover { background: var(--fill); }
.iconbtn.sm { inline-size: 2.75rem; block-size: 2.75rem; background: transparent; color: var(--t2); }
.iconbtn.sm:hover { background: var(--fill2); color: var(--t1); }
.linkbtn { min-block-size: 2rem; border: 0; padding: 0 0 0 var(--s2); background: none; color: var(--tint-text); font: inherit; font-weight: var(--w-strong); cursor: pointer; }
.actions { display: flex; flex-wrap: wrap; align-items: center; gap: var(--s2); }
.actions.end { justify-content: flex-end; }
.rail .btn.tinted { font-size: var(--fs-body); min-block-size: 2.5rem; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ------------------------------------------------------------------ setup: the progress line */

.setup { display: grid; gap: var(--s6); }
.stepbody { display: grid; gap: var(--s5); }
.steps ol { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: var(--s2); }
.steps li > a, .steps li > span { display: grid; gap: var(--s2); color: var(--t2); border-radius: var(--r-tag); }
.steps li > a { padding-block: var(--s3); margin-block: calc(-1 * var(--s3)); }
.steps li > a:hover { text-decoration: none; color: var(--t1); }
.steps .seg { display: block; block-size: 4px; border-radius: var(--r-full); background: var(--fill); transition: background var(--d-seg) var(--spring); }
.steps .lab { display: inline-flex; align-items: center; gap: var(--s1); font-size: var(--fs-label); line-height: var(--lh-label-px); font-weight: var(--w-label); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.steps .lab .i { inline-size: .875rem; block-size: .875rem; stroke-width: 2.4; color: var(--tint-text); }
.steps .done .seg { background: var(--tint); }
.steps .skipped .seg { background: var(--rule-stale); }
.steps .here .seg { background: linear-gradient(90deg, var(--tint) 0 50%, var(--fill) 50%); }
.steps .here .lab { color: var(--t1); font-weight: var(--w-strong); }
.stepno { display: none; margin: var(--s2) 0 0; color: var(--t2); font-size: var(--fs-label); font-weight: var(--w-label); }
@media (max-width: 699px) {
  .steps .lab { display: none; }
  .stepno { display: block; }
  .setup { gap: var(--s5); }
}

/* the setup footer: back on the left, skip and the one action on the right */
.sfoot { display: flex; align-items: center; justify-content: space-between; gap: var(--s3); flex-wrap: wrap; padding-block-start: var(--s3); border-block-start: 1px solid var(--sep); }
.sfoot-r { display: flex; align-items: center; gap: var(--s3); flex-wrap: wrap; justify-content: flex-end; margin-inline-start: auto; }
.skip { min-block-size: 2.75rem; padding: 0 var(--s2); border: 0; background: none; color: var(--t2); font: inherit; font-size: var(--fs-body); cursor: pointer; border-radius: var(--r-ctl); text-align: end; }
.skip:hover { color: var(--t1); background: var(--fill3); }
.skip .loss { color: var(--t2); }
.done-chip { display: inline-flex; align-items: center; gap: var(--s2); min-block-size: 2.75rem; padding: 0 var(--s4); border-radius: var(--r-btn); background: var(--green-soft); color: var(--green-text); font-size: var(--fs-title); font-weight: var(--w-strong); animation: pop var(--d-lift) var(--spring); }
.done-chip .i { stroke-width: 2.4; }
@keyframes pop { from { transform: scale(.92); opacity: 0; } }
/* on a phone the footer stays under the thumb: Back as an arrow, the one action beside it, skip under it */
@media (max-width: 699px) {
  .sfoot {
    position: sticky; inset-block-end: 0; z-index: 4; align-items: flex-start; flex-wrap: nowrap;
    margin-inline: calc(-1 * var(--pad)); padding: var(--s3) var(--pad) calc(var(--s3) + env(safe-area-inset-bottom));
    background: var(--glass); -webkit-backdrop-filter: var(--blur-bar); backdrop-filter: var(--blur-bar);
    border-block-start: 1px solid var(--glass-line);
  }
  .sfoot-r { flex: 1; flex-direction: column-reverse; align-items: stretch; gap: var(--s1); margin-inline-start: 0; }
  .sfoot-r .btn, .done-chip { inline-size: 100%; justify-content: center; }
  .sfoot .back { inline-size: 2.75rem; padding: 0; flex: none; }
  .sfoot .back .bl { position: absolute; inline-size: 1px; block-size: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
  .skip { text-align: center; min-block-size: 2.25rem; }
  .sfoot > span:empty { display: none; }
  [data-mode="setup"] .view { padding-block-end: 0; }
}

/* the live check: grey and pulsing while it waits, green with a tick when it lands */
.live { display: flex; align-items: center; gap: var(--s3); padding: var(--s3) var(--s4); border-radius: var(--r-row); background: var(--fill3); color: var(--t1); font-size: var(--fs-title); line-height: var(--lh-title-px); }
.live.ok { background: var(--green-soft); color: var(--green-text); font-weight: var(--w-label); }
.live.err { background: var(--danger-soft); color: var(--danger); }
.dot { display: grid; place-items: center; inline-size: 1.5rem; block-size: 1.5rem; flex: none; border-radius: 50%; }
.dot .i { inline-size: .875rem; block-size: .875rem; stroke-width: 2.6; }
.dot.ok { background: var(--green); color: #fff; animation: pop var(--d-lift) var(--spring); }
.dot.err { background: var(--red); color: #fff; }
.dot.wait { position: relative; }
.dot.wait::before, .dot.wait::after { content: ""; position: absolute; inset: .375rem; border-radius: 50%; background: var(--t2); }
.dot.wait::after { animation: ping 1.6s var(--spring) infinite; }
@keyframes ping { from { transform: scale(1); opacity: .6; } to { transform: scale(2.6); opacity: 0; } }

/* ------------------------------------------------------------------ 1 · consent */

.tlink { display: inline-flex; align-items: center; min-block-size: 1.5rem; }
.flag { margin: 0; display: inline-flex; align-items: center; gap: var(--s2); color: var(--orange-text); font-size: var(--fs-label); font-weight: var(--w-label); }
.checks { display: grid; gap: var(--s2); }
.check { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: var(--s3); align-items: start; padding: var(--s4); border-radius: var(--r-row); background: var(--card); border: 1px solid var(--card-line); font-size: var(--fs-title); line-height: 1.5; cursor: pointer; transition: border-color var(--d-state) var(--spring), background var(--d-state) var(--spring); }
.check:hover { border-color: var(--t3); }
.check:has(input:checked) { border-color: var(--tint-line); background: var(--tint-soft); }
.check input, .choice input { appearance: none; margin: 0; }
.check input { inline-size: 1.375rem; block-size: 1.375rem; margin-block-start: 1px; border-radius: 6px; border: 1.5px solid var(--t2); background: var(--card-solid); display: grid; place-items: center; cursor: pointer; }
.check input:checked { background: var(--tint); border-color: var(--tint); }
.check input:checked::after { content: ""; inline-size: .375rem; block-size: .7rem; border: solid var(--on-tint); border-width: 0 2.5px 2.5px 0; transform: translateY(-1px) rotate(45deg); }
.check input:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }

/* ------------------------------------------------------------------ 2 · goals */

.choices { margin: 0; padding: 0; border: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--s3); }
.choice { position: relative; display: grid; justify-items: start; gap: var(--s3); padding: var(--s4); border-radius: var(--r-card); background: var(--card); border: 1px solid var(--card-line); cursor: pointer; font-size: var(--fs-title); transition: border-color var(--d-state) var(--spring), background var(--d-state) var(--spring), transform var(--d-tap) var(--spring); }
.choice:hover { border-color: var(--t3); }
.choice:active { transform: scale(.98); }
.choice .ic { display: grid; place-items: center; inline-size: 2.5rem; block-size: 2.5rem; border-radius: var(--r-ctl); background: var(--fill2); color: var(--t1); }
.choice .ic .i { inline-size: 1.25rem; block-size: 1.25rem; }
.choice b { font-weight: var(--w-strong); }
.choice .tick { position: absolute; inset-block-start: var(--s3); inset-inline-end: var(--s3); inline-size: 1.25rem; block-size: 1.25rem; padding: 3px; border-radius: 50%; background: var(--tint); color: var(--on-tint); stroke-width: 3; opacity: 0; transform: scale(.6); transition: opacity var(--d-state) var(--spring), transform var(--d-state) var(--spring); }
.choice:has(input:checked) { border-color: var(--tint); background: var(--tint-soft); box-shadow: var(--shadow-sel); }
.choice:has(input:checked) .ic { background: var(--tint); color: var(--on-tint); }
.choice:has(input:checked) .tick { opacity: 1; transform: none; }
.choice:has(input:focus-visible) { outline: 2px solid var(--focus); outline-offset: 2px; }
.choice input { position: absolute; inset: 0; opacity: 0; cursor: pointer; }
@media (max-width: 559px) {
  .choices { grid-template-columns: minmax(0, 1fr); gap: var(--s2); }
  .choice { grid-template-columns: auto minmax(0, 1fr); align-items: center; padding: var(--s3) var(--s4); }
  .choice .tick { inset-block-start: 50%; translate: 0 -50%; inset-inline-end: var(--s4); }
}
.fields { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--s4); }
@media (max-width: 559px) { .fields { grid-template-columns: minmax(0, 1fr); } }
.field { display: grid; gap: var(--s2); align-content: start; }
.field label { color: var(--t2); font-size: var(--fs-label); font-weight: var(--w-label); }
input[type="number"], input[type="date"], input.val, .gate input {
  inline-size: 100%; min-block-size: 3rem; padding: 0 var(--s3); font: inherit; font-size: 1rem; color: var(--t1);
  background: var(--fill3); border: 1px solid var(--fill); border-radius: var(--r-ctl);
}
input[type="number"]:hover, input[type="date"]:hover, input.val:hover { border-color: var(--t3); }
input:focus-visible { outline: 2px solid var(--focus); outline-offset: 0; border-color: transparent; }
input[aria-invalid="true"] { border-color: var(--danger); }
.unitbox { position: relative; }
.unitbox input { padding-inline-end: 3rem; }
.unit { position: absolute; inset-block: 0; inset-inline-end: var(--s3); display: grid; place-items: center; color: var(--t2); font-size: var(--fs-title); pointer-events: none; }

/* ------------------------------------------------------------------ 3 · Apple Health or Oura */

.hcard { display: grid; gap: var(--s5); }
.qrrow { grid-template-columns: auto minmax(0, 1fr); align-items: center; padding: var(--s5); }
.qr { margin: 0; display: grid; justify-items: center; gap: var(--s3); }
.qrbox { inline-size: 11rem; padding: var(--s2); border-radius: var(--r-tile); background: #fff; box-shadow: var(--shadow-sm); }
.qrbox svg { display: block; inline-size: 100%; block-size: auto; }
.qr figcaption { display: inline-flex; align-items: center; gap: var(--s2); color: var(--t1); font-size: var(--fs-title); font-weight: var(--w-strong); }
@media (max-width: 799px) { .qrrow { grid-template-columns: minmax(0, 1fr); } }

.stills { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--s3); }
.stills figure { margin: 0; display: grid; gap: var(--s2); }
.stills figcaption { display: flex; gap: var(--s2); align-items: baseline; font-size: var(--fs-label); line-height: var(--lh-label-px); color: var(--t1); font-weight: var(--w-label); }
.stills figcaption b { flex: none; display: grid; place-items: center; inline-size: 1.25rem; block-size: 1.25rem; border-radius: 50%; background: var(--fill); font-size: var(--fs-label); }
.phone { aspect-ratio: 9 / 15; padding: 5px; border-radius: 18px; background: #1C1C1E; box-shadow: var(--shadow-sm); }
.ios { position: relative; block-size: 100%; border-radius: 14px; overflow: hidden; display: grid; align-content: center; justify-items: center; gap: var(--s2); padding: var(--s2); background: #F2F2F7; color: #000; font-size: var(--fs-cap); line-height: 1.25; text-align: center; font-family: var(--sans); }
.ios b { font-weight: 600; }
.ios .tile { display: grid; place-items: center; inline-size: 2.5rem; block-size: 2.5rem; border-radius: 10px; background: linear-gradient(160deg, #FF5E7E, #FF2D55); color: #fff; }
.ios .tile .i { inline-size: 1.375rem; block-size: 1.375rem; fill: #fff; stroke: none; }
.ios .field { inline-size: 100%; padding: 5px 6px; border-radius: 7px; background: #fff; color: #8E8E93; outline: 2px solid #FF9F0A; outline-offset: -1px; }
.ios .iosbtn { padding: 6px 10px; border-radius: 8px; background: #007AFF; color: #fff; font-weight: 600; }
.ios.alert { background: linear-gradient(#0003, #0003), #F2F2F7; }
.ios.alert b { padding: var(--s2); border-radius: 10px 10px 0 0; background: #fff; }
.ios.alert .row2 { display: grid; grid-template-columns: 1fr 1fr; inline-size: 100%; margin-block-start: calc(-1 * var(--s2)); background: #fff; border-radius: 0 0 10px 10px; border-block-start: 1px solid #ddd; }
.ios.alert b { inline-size: 100%; }
.ios i { font-style: normal; padding: 6px 0; color: #007AFF; }
.ios i.hot { font-weight: 700; }
.ios.list { align-content: start; justify-items: stretch; text-align: start; padding-block-start: var(--s3); }
.ios .big { font-size: var(--fs-label); font-weight: 700; }
.ios .plus { position: absolute; inset-block-start: var(--s2); inset-inline-end: var(--s2); color: #007AFF; outline: 2px solid #FF9F0A; outline-offset: 1px; border-radius: 50%; }
.ios .plus .i { inline-size: 1rem; block-size: 1rem; stroke-width: 2.4; }
.ios .tabbar { position: absolute; inset-inline: 0; inset-block-end: 0; display: grid; grid-template-columns: repeat(3, 1fr); padding: 4px 2px 6px; background: #F9F9F9; border-block-start: 1px solid #ddd; text-align: center; }
.ios .tabbar i { color: #8E8E93; padding: 0; }
.ios .tabbar i.ph { block-size: 4px; margin: auto 6px; border-radius: 2px; background: #D1D1D6; }
.ios .tabbar i.hot { color: #007AFF; font-weight: 600; outline: 2px solid #FF9F0A; outline-offset: 1px; border-radius: 4px; }
.ios .cell { display: flex; flex-direction: column; padding: 5px 7px; border-radius: 8px; background: #fff; }
.ios .cell em { font-style: normal; color: #007AFF; font-weight: 600; }
.ios .cell.hot { outline: 2px solid #FF9F0A; outline-offset: -1px; }
/* on a phone the four stills are a row you swipe, the next one peeking in from the edge */
@media (max-width: 699px) {
  .stills { grid-template-columns: none; grid-auto-flow: column; grid-auto-columns: 62%; gap: var(--s3); overflow-x: auto; scroll-snap-type: x mandatory; overscroll-behavior-x: contain; margin-inline: calc(-1 * var(--s5)); padding-inline: var(--s5); scroll-padding-inline: var(--s5); scrollbar-width: none; }
  .stills::-webkit-scrollbar { display: none; }
  .stills li { scroll-snap-align: start; }
  .stills figcaption { font-size: var(--fs-title); line-height: var(--lh-title-px); }
  .ios { font-size: var(--fs-label); }
}

.or { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: var(--s3); color: var(--t2); font-size: var(--fs-label); font-weight: var(--w-label); }
.or::before, .or::after { content: ""; block-size: 1px; background: var(--sep); }
.srcrow { display: flex; align-items: center; gap: var(--s4); padding: var(--s4); }
.srcrow .t, .filehead .t { display: grid; gap: 2px; flex: 1; min-inline-size: 0; }
.srcrow b, .filehead b { font-size: var(--fs-title); line-height: var(--lh-title-px); font-weight: var(--w-strong); overflow-wrap: anywhere; }
.srcrow small, .filehead small { display: inline-flex; align-items: center; gap: var(--s1); color: var(--t2); font-size: var(--fs-label); line-height: var(--lh-label-px); }
.srcrow small .i { inline-size: .875rem; block-size: .875rem; color: var(--ok); stroke-width: 2.4; }
@media (max-width: 559px) { .srcrow { flex-wrap: wrap; } .srcrow > .btn { inline-size: 100%; } }

/* ------------------------------------------------------------------ 4 · blood test */

.drop { display: grid; justify-items: center; gap: var(--s3); padding: var(--s7) var(--s5); border: 1.5px dashed var(--t3); border-radius: var(--r-card); background: var(--card); cursor: pointer; text-align: center; transition: border-color var(--d-state) var(--spring), background var(--d-state) var(--spring); }
.drop:hover, .drop.over { border-color: var(--tint); background: var(--tint-soft); }
.drop:focus-within { outline: 2px solid var(--focus); outline-offset: 2px; }
.drop .hint { color: var(--t2); font-size: var(--fs-label); }
.aside { margin: 0; color: var(--t2); font-size: var(--fs-title); line-height: var(--lh-title-px); }
.aside.disclose { color: var(--t1); }
.aside .sig { color: var(--t2); white-space: nowrap; }
.aside + .aside { margin-block-start: calc(-1 * var(--s4)); }
.filecard { gap: var(--s4); }
.filehead { display: flex; align-items: center; gap: var(--s3); }
.bar { position: relative; display: block; block-size: 6px; border-radius: var(--r-full); background: var(--fill); overflow: hidden; }
.bar i { position: absolute; inset: 0 auto 0 0; border-radius: inherit; background: var(--tint); transition: inline-size var(--d-state) linear; }

.tablecard { overflow-x: auto; padding: var(--s1) var(--s2); }
table.markers { inline-size: 100%; border-collapse: collapse; font-size: var(--fs-title); }
.markers th, .markers td { padding: var(--s2) var(--s2); text-align: start; border-block-end: 1px solid var(--sep); vertical-align: middle; }
.markers thead th { color: var(--t2); font-size: var(--fs-label); font-weight: var(--w-label); white-space: nowrap; }
.markers tbody tr:last-child > * { border-block-end: 0; }
.markers tbody th { font-weight: var(--w-label); }
.markers td:nth-child(3), .markers td:nth-child(4) { color: var(--t2); white-space: nowrap; }
.markers input.val { inline-size: 6.5rem; min-block-size: 2.5rem; text-align: end; }
.markers .rm { inline-size: 2.75rem; padding-inline: 0; }
@media (max-width: 559px) {
  .tablecard { padding: 0; }
  .markers thead { display: none; }
  .markers tr { display: grid; grid-template-columns: minmax(0, 1fr) auto auto; grid-template-areas: "name val rm" "range unit rm"; align-items: center; column-gap: var(--s2); padding: var(--s3) var(--s3); border-block-end: 1px solid var(--sep); }
  .markers tbody tr:last-child { border-block-end: 0; }
  .markers th, .markers td { padding: 0; border: 0; }
  .markers tbody th { grid-area: name; }
  .markers td:nth-child(2) { grid-area: val; }
  .markers td:nth-child(3) { grid-area: unit; font-size: var(--fs-label); text-align: end; }
  .markers td:nth-child(4) { grid-area: range; font-size: var(--fs-label); }
  .markers .rm { grid-area: rm; }
  .markers input.val { inline-size: 5.5rem; }
}

/* ------------------------------------------------------------------ 5 · first brief */

.writing { display: grid; justify-items: center; gap: var(--s4); padding: var(--s7) var(--s5); text-align: center; }
.writing h2 { font-size: var(--fs-head); }
.ai.big { min-block-size: 1.5rem; padding: 0 var(--s3); }
.draw { inline-size: 5rem; block-size: 3.25rem; fill: none; stroke: var(--tint); stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round; stroke-dasharray: 60; animation: draw 2.4s var(--spring) infinite; }
@keyframes draw { 0% { stroke-dashoffset: 60; } 55%, 70% { stroke-dashoffset: 0; } 100% { stroke-dashoffset: -60; } }
.reading { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--s2); justify-items: start; }
.reading li { display: flex; align-items: center; gap: var(--s2); color: var(--t2); font-size: var(--fs-title); }
.reading .i { color: var(--tint-text); }
.machine { margin: 0; display: grid; gap: var(--s2); padding: var(--s5); }
.machine .by, .briefcard .eyebrow { display: inline-flex; align-items: center; gap: var(--s2); color: var(--t2); font-size: var(--fs-label); font-weight: var(--w-label); }
.machine .head, .machine-line { margin: 0; font-size: var(--fs-head); line-height: 1.4; font-style: italic; font-weight: var(--w-label); text-wrap: pretty; }
.machine .text { margin: 0; font-size: var(--fs-title); line-height: 1.55; font-style: italic; color: var(--t1); max-inline-size: 38rem; text-wrap: pretty; }

/* ------------------------------------------------------------------ home */

.briefcard { display: grid; gap: var(--s4); justify-items: start; padding: var(--s5); }
@media (max-width: 559px) { .briefcard .btn { inline-size: 100%; } }
.srcs { list-style: none; margin: 0; padding: var(--s1) var(--s2); }
.src { display: flex; align-items: center; gap: var(--s3); padding: var(--s3) var(--s2); }
.src + .src { border-block-start: 1px solid var(--sep); }
.src .t { display: grid; gap: 2px; flex: 1; min-inline-size: 0; }
.src b { font-size: var(--fs-title); font-weight: var(--w-strong); }
.src small { color: var(--t2); font-size: var(--fs-label); }

/* ------------------------------------------------------------------ lessons */

.lgroup { display: grid; gap: var(--s2); }
.rows { list-style: none; margin: 0; padding: var(--s1); display: grid; }
.rows li + li { border-block-start: 1px solid var(--sep); }
.row { display: flex; align-items: center; gap: var(--s3); padding: var(--s3); border-radius: var(--r-row); color: var(--t1); }
a.row:hover { background: var(--fill3); text-decoration: none; }
.row .t { display: grid; gap: 2px; flex: 1; min-inline-size: 0; }
.row .t b { font-size: var(--fs-title); line-height: var(--lh-title-px); font-weight: var(--w-label); }
.row .t small { color: var(--t2); font-size: var(--fs-label); }
.thumb { flex: none; inline-size: 4.5rem; aspect-ratio: 16 / 9; border-radius: var(--r-tag); overflow: hidden; border: 1px solid var(--card-line); }
.thumb img { inline-size: 100%; block-size: 100%; object-fit: cover; }
.crumbs { display: flex; align-items: center; gap: var(--s1); color: var(--t2); font-size: var(--fs-label); }
.crumbs a { color: var(--t2); display: inline-flex; align-items: center; min-block-size: 1.5rem; }
.crumbs .i { inline-size: .875rem; block-size: .875rem; color: var(--t3); }
.player { position: relative; aspect-ratio: 16 / 9; border-radius: var(--r-panel); overflow: hidden; background: #000; box-shadow: var(--shadow); }
.player video { inline-size: 100%; block-size: 100%; display: block; background: #000; }
.more summary { cursor: pointer; font-size: var(--fs-title); font-weight: var(--w-label); min-block-size: 2rem; display: flex; align-items: center; }
.prompt {
  margin: 0; max-block-size: 20rem; overflow: auto; padding: var(--s4);
  font-family: var(--code); font-size: var(--fs-body); line-height: var(--lh-body-px); white-space: pre-wrap; overflow-wrap: anywhere;
  color: var(--t1); background: var(--fill3); border: 1px solid var(--card-line); border-radius: var(--r-ctl);
}

/* ------------------------------------------------------------------ account, Private mode */

.pagehead { display: flex; align-items: center; gap: var(--s3); flex-wrap: wrap; }
.kv { margin: 0; display: grid; }
.kv > div { display: grid; grid-template-columns: 9rem minmax(0, 1fr); align-items: center; gap: var(--s3); min-block-size: 2.75rem; padding-block: var(--s2); border-block-end: 1px solid var(--sep); }
.kv > div:last-child { border-block-end: 0; }
.kv dt { color: var(--t2); font-size: var(--fs-label); font-weight: var(--w-label); }
.kv dd { margin: 0; font-size: var(--fs-title); line-height: var(--lh-title-px); overflow-wrap: anywhere; }
@media (max-width: 499px) { .kv > div { grid-template-columns: minmax(0, 1fr); gap: var(--s1); } }
.seg { display: inline-flex; padding: 2px; border-radius: var(--r-ctl); background: var(--fill2); }
.seg button { min-block-size: 2.25rem; padding: 0 var(--s3); border: 0; border-radius: calc(var(--r-ctl) - 2px); background: transparent; color: var(--t2); font: inherit; font-weight: var(--w-label); cursor: pointer; }
.seg button[aria-pressed="true"] { background: var(--card-solid); color: var(--t1); box-shadow: var(--shadow-sm); }
.secret { display: flex; align-items: center; gap: var(--s2); padding: var(--s1) var(--s1) var(--s1) var(--s3); min-block-size: 3rem; background: var(--fill3); border: 1px solid var(--card-line); border-radius: var(--r-ctl); }
.secret code { flex: 1; min-inline-size: 0; font-family: var(--code); font-size: var(--fs-body); font-variant-numeric: tabular-nums slashed-zero; overflow-wrap: anywhere; }
.secret.masked code { color: var(--t2); }
a.card.srcrow { display: flex; }
.linkrow .t { display: grid; gap: 2px; }

/* ------------------------------------------------------------------ dialog, toast */

dialog {
  inline-size: min(30rem, calc(100vw - 2 * var(--s4))); padding: 0; border: 1px solid var(--glass-line); border-radius: var(--r-panel);
  background: var(--card-solid); color: var(--t1); box-shadow: var(--shadow-lg);
}
dialog::backdrop { background: rgba(0,0,0,.5); }
dialog[open] { animation: rise var(--d-seg) var(--spring); }
/* on a phone a confirmation is a sheet from the bottom edge */
@media (max-width: 499px) {
  dialog { margin: auto 0 0; inline-size: 100%; max-inline-size: 100%; border-radius: var(--r-panel) var(--r-panel) 0 0; border-block-end: 0; }
  dialog .in { padding-block-end: calc(var(--s5) + env(safe-area-inset-bottom)); }
  dialog[open] { animation: sheet var(--d-seg) var(--spring); }
}
@keyframes sheet { from { transform: translateY(100%); } }
dialog .in { display: grid; gap: var(--s4); padding: var(--s5); }
dialog .kv > div { grid-template-columns: 7rem minmax(0, 1fr); align-items: start; }
dialog .kv dd { font-size: var(--fs-body); line-height: var(--lh-body-px); }
@media (max-width: 499px) { dialog .kv > div { grid-template-columns: minmax(0, 1fr); } dialog .actions.end { flex-direction: column-reverse; align-items: stretch; } }
.dhead { display: flex; align-items: center; justify-content: space-between; gap: var(--s3); }
.dhead h2 { font-size: var(--fs-head); }
@keyframes rise { from { opacity: 0; transform: translateY(8px) scale(.98); } }

.toast {
  position: fixed; inset-inline-start: 50%; inset-block-end: calc(var(--s5) + env(safe-area-inset-bottom)); z-index: 20;
  display: flex; align-items: center; padding: var(--s2) var(--s4); border-radius: var(--r-full); translate: -50% 8px; opacity: 0; pointer-events: none;
  background: var(--glass2); -webkit-backdrop-filter: var(--blur); backdrop-filter: var(--blur); border: 1px solid var(--glass-line);
  color: var(--t1); font-weight: var(--w-label); box-shadow: var(--shadow); white-space: nowrap;
  transition: opacity var(--d-state) var(--spring), translate var(--d-state) var(--spring);
}
.toast.on { opacity: 1; translate: -50% 0; pointer-events: auto; }
@media (max-width: 899px) { body:not([data-mode="setup"]) .toast { inset-block-end: calc(5rem + env(safe-area-inset-bottom)); } }

@media (prefers-reduced-motion: reduce) {
  dialog[open], .done-chip, .dot.ok { animation: fade 150ms linear; }
  .dot.wait::after { animation: none; }
  .draw { animation: fadepulse 1.6s linear infinite; stroke-dasharray: none; }
  .btn:active, .choice:active, a.card:active { transform: none; }
  @keyframes fade { from { opacity: 0; } }
  @keyframes fadepulse { 50% { opacity: .4; } }
}

/* ------------------------------------------------------------------ sign-in */

.gate { min-block-size: 100dvh; display: grid; place-items: center; padding: var(--s5) var(--s4); }
.gate .card { inline-size: min(25rem, 100%); padding: var(--s6) var(--s5); display: grid; gap: var(--s5); background: var(--glass); -webkit-backdrop-filter: var(--blur); backdrop-filter: var(--blur); border-color: var(--glass-line); box-shadow: var(--shadow); }
.gate form, .gate .sent { display: grid; gap: var(--s3); }
.gate input:hover { border-color: var(--t3); }
.gate .btn { inline-size: 100%; min-block-size: 3rem; }
.gate .meta { margin: 0; color: var(--t2); font-size: var(--fs-title); line-height: var(--lh-title-px); }
.gate .foot { margin: 0; color: var(--t2); font-size: var(--fs-label); }
.gate .foot a { color: var(--t2); }
.steps .here.done .seg { background: var(--tint); }
#h-copied:empty { display: none; }
@media (max-width: 699px) { [data-mode="setup"] .toast { inset-block-end: calc(8rem + env(safe-area-inset-bottom)); } }