:root {
  --bg: #f6f7f5;
  --surface: #ffffff;
  --surface-2: #f0f2ef;
  --ink: #101413;
  --muted: #5b6661;
  --faint: #8a948f;
  --line: #e2e6e3;
  --line-strong: #cfd6d2;
  --accent: #0d684f;
  --accent-ink: #ffffff;
  --accent-soft: #e3f1ea;
  --warn: #8a5a00;
  --warn-soft: #fff4dc;
  --danger: #a33a1f;
  --danger-soft: #fbe9e3;
  --info: #2f5e8a;
  --radius: 14px;
  --radius-s: 10px;
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", Roboto, Arial, sans-serif;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0c0f0e; --surface: #141917; --surface-2: #1b211f; --ink: #eef2f0; --muted: #a2ada8; --faint: #73807a;
    --line: #232b28; --line-strong: #33403b; --accent: #3dd68c; --accent-ink: #06231a; --accent-soft: #12271f;
    --warn: #f0c060; --warn-soft: #2a2312; --danger: #ff8a6b; --danger-soft: #2c1712; --info: #8ab8e6;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0c0f0e; --surface: #141917; --surface-2: #1b211f; --ink: #eef2f0; --muted: #a2ada8; --faint: #73807a;
  --line: #232b28; --line-strong: #33403b; --accent: #3dd68c; --accent-ink: #06231a; --accent-soft: #12271f;
  --warn: #f0c060; --warn-soft: #2a2312; --danger: #ff8a6b; --danger-soft: #2c1712; --info: #8ab8e6;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 15px/1.55 var(--sans); overflow-x: hidden; }
a { color: var(--accent); }
img, svg { max-width: 100%; }
button, input, select { font: inherit; color: inherit; }
h1, h2, h3 { letter-spacing: -0.02em; line-height: 1.2; }
h1 { font-size: clamp(28px, 6vw, 44px); margin: 0 0 12px; }
h2 { font-size: 20px; margin: 0 0 6px; }
h3 { font-size: 16px; margin: 0 0 4px; }
p { margin: 0 0 10px; }
.mono { font-family: var(--mono); font-size: 12px; letter-spacing: 0.01em; }
.muted { color: var(--muted); }
.faint { color: var(--faint); }
.small { font-size: 13px; }
.hidden { display: none !important; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }

.wrap { width: 100%; max-width: 880px; margin: 0 auto; padding: 0 16px; }
.wrap.narrow { max-width: 720px; }
main.wrap.narrow { padding-top: 20px; }

/* Header */
.top { position: sticky; top: 0; z-index: 10; background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: saturate(1.4) blur(10px); -webkit-backdrop-filter: saturate(1.4) blur(10px); border-bottom: 1px solid var(--line); }
.top .wrap { display: flex; align-items: center; justify-content: space-between; gap: 12px; height: 56px; }
.brand { display: inline-flex; align-items: center; gap: 9px; font-weight: 750; font-size: 17px; letter-spacing: -0.03em; color: var(--ink); text-decoration: none; }
.brand-mark { width: 26px; height: 26px; border-radius: 8px; background: var(--ink); color: var(--bg); display: grid; place-items: center; font-family: var(--mono); font-size: 13px; font-weight: 700; }
.top-actions { display: flex; align-items: center; gap: 8px; }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 44px; padding: 10px 18px;
  border-radius: var(--radius-s); border: 1px solid var(--accent); background: var(--accent); color: var(--accent-ink);
  font-weight: 650; text-decoration: none; cursor: pointer; transition: filter .15s, background .15s; -webkit-tap-highlight-color: transparent; }
.btn:hover { filter: brightness(1.06); }
.btn:disabled { opacity: .5; cursor: not-allowed; filter: none; }
.btn.secondary { background: var(--surface); color: var(--ink); border-color: var(--line-strong); }
.btn.ghost { background: transparent; color: var(--accent); border-color: transparent; padding: 10px 8px; min-height: 40px; }
.btn.danger { background: transparent; color: var(--danger); border-color: color-mix(in srgb, var(--danger) 45%, transparent); }
.btn.small { min-height: 36px; padding: 6px 12px; font-size: 14px; }
.btn.block { width: 100%; }
.row { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.row.end { justify-content: flex-end; }
.stack { display: grid; gap: 12px; }

/* Cards */
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; }
.card + .card { margin-top: 12px; }
.card.flat { background: var(--surface-2); border-color: transparent; }
.card-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; margin-bottom: 10px; }

/* Forms */
label.field { display: grid; gap: 6px; font-size: 13px; font-weight: 650; }
.input { width: 100%; min-width: 0; min-height: 44px; border: 1px solid var(--line-strong); border-radius: var(--radius-s);
  padding: 10px 12px; background: var(--surface); font-size: 16px; }
.input:focus, .btn:focus-visible, .chip:focus-visible, .check input:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
select.input { appearance: auto; }
.check { display: flex; gap: 10px; align-items: flex-start; font-size: 14px; cursor: pointer; }
.check input { width: 18px; height: 18px; margin: 2px 0 0; accent-color: var(--accent); flex: none; }
.chips { display: flex; gap: 6px; flex-wrap: wrap; }
.chip { min-height: 36px; padding: 6px 13px; border-radius: 999px; border: 1px solid var(--line-strong); background: var(--surface);
  font-size: 14px; cursor: pointer; }
.chip[aria-pressed="true"] { background: var(--ink); color: var(--bg); border-color: var(--ink); }
.seg { display: inline-flex; background: var(--surface-2); border-radius: 12px; padding: 3px; gap: 2px; }
.seg button { border: 0; background: none; padding: 8px 14px; border-radius: 9px; font-weight: 600; font-size: 14px; color: var(--muted); cursor: pointer; min-height: 36px; }
.seg button[aria-selected="true"] { background: var(--surface); color: var(--ink); box-shadow: 0 1px 2px rgb(0 0 0 / .08); }

/* Status */
.pill { display: inline-flex; align-items: center; gap: 6px; padding: 3px 10px; border-radius: 999px; font-size: 12px; font-weight: 650;
  background: var(--surface-2); color: var(--muted); white-space: nowrap; }
.pill::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: currentColor; opacity: .8; }
.pill.ok { background: var(--accent-soft); color: var(--accent); }
.pill.warn { background: var(--warn-soft); color: var(--warn); }
.pill.bad { background: var(--danger-soft); color: var(--danger); }
.notice { border-radius: var(--radius-s); padding: 12px 14px; font-size: 14px; background: var(--surface-2); }
.notice.warn { background: var(--warn-soft); color: var(--warn); }
.notice.bad { background: var(--danger-soft); color: var(--danger); }
.notice.ok { background: var(--accent-soft); color: var(--accent); }
.notice b { font-weight: 700; }
.status-line { min-height: 20px; font-size: 14px; margin-top: 8px; }
.status-line.bad { color: var(--danger); }
.status-line.ok { color: var(--accent); }

/* Steps */
.steps { display: grid; gap: 12px; }
.step { position: relative; }
.step-num { width: 28px; height: 28px; flex: none; border-radius: 50%; display: grid; place-items: center; font-family: var(--mono);
  font-size: 13px; font-weight: 700; background: var(--surface-2); color: var(--muted); }
.step.done .step-num { background: var(--accent); color: var(--accent-ink); }
.step.active .step-num { background: var(--ink); color: var(--bg); }
.step.locked { opacity: .55; }
.step-title { display: flex; align-items: center; gap: 12px; }
.step-body { margin-top: 14px; }

.explain { list-style: none; padding: 0; margin: 0 0 14px; display: grid; gap: 8px; font-size: 14px; }
.explain li { display: flex; gap: 10px; }
.explain li::before { content: "→"; font-family: var(--mono); color: var(--accent); flex: none; }

.qr-box { display: flex; gap: 20px; align-items: center; flex-wrap: wrap; margin-top: 12px; }
.qr { width: 196px; height: 196px; padding: 10px; background: #fff; border-radius: 14px; border: 1px solid var(--line); flex: none; }
.qr svg { width: 100%; height: 100%; display: block; }
.qr svg path { fill: #000; }
.qr-steps { margin: 0; padding-left: 20px; font-size: 14px; display: grid; gap: 4px; flex: 1; min-width: 200px; }

/* Chat picker */
.chat-tools { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 10px; }
.chat-tools .input { flex: 1 1 200px; }
.chat-list { display: grid; border: 1px solid var(--line); border-radius: var(--radius-s); max-height: 360px; overflow: auto; }
.chat-row { display: flex; align-items: center; gap: 12px; padding: 12px 14px; border-bottom: 1px solid var(--line); cursor: pointer; min-height: 52px; }
.chat-row:last-child { border-bottom: 0; }
.chat-row input { width: 18px; height: 18px; accent-color: var(--accent); flex: none; }
.chat-row .name { flex: 1; min-width: 0; overflow-wrap: anywhere; }
.tag { font-family: var(--mono); font-size: 11px; color: var(--faint); border: 1px solid var(--line); border-radius: 6px; padding: 1px 6px; white-space: nowrap; }

/* Radio cards */
.options { display: grid; gap: 8px; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.option { display: flex; gap: 10px; align-items: flex-start; border: 1px solid var(--line-strong); border-radius: var(--radius-s); padding: 12px 14px; cursor: pointer; }
.option:has(input:checked) { border-color: var(--accent); background: var(--accent-soft); }
.option input { margin-top: 3px; accent-color: var(--accent); }

/* Progress */
.bar { height: 6px; background: var(--surface-2); border-radius: 6px; overflow: hidden; margin-top: 12px; }
.bar i { display: block; height: 100%; width: 0; background: var(--accent); transition: width .3s; }

/* Tabs nav */
.nav { display: flex; gap: 4px; margin: 18px 0; }
.nav a { padding: 8px 14px; border-radius: 10px; text-decoration: none; color: var(--muted); font-weight: 600; font-size: 14px; }
.nav a[aria-current="page"] { background: var(--surface); color: var(--ink); box-shadow: 0 0 0 1px var(--line); }

/* Digest */
.digest-head { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; align-items: flex-end; margin-bottom: 14px; }
.counts { display: flex; gap: 6px; flex-wrap: wrap; margin: 10px 0 4px; }
.count { font-family: var(--mono); font-size: 12px; padding: 4px 9px; border-radius: 8px; background: var(--surface-2); color: var(--muted); text-decoration: none; }
.count b { color: var(--ink); }
.section { margin-top: 22px; }
.section-title { display: flex; align-items: center; gap: 8px; font-size: 12px; font-weight: 750; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); margin: 0 0 8px; }
.section-title .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--faint); }
.s-action .dot { background: var(--danger); }
.s-in_progress .dot { background: var(--info); }
.s-done .dot { background: var(--accent); }
.s-maybe_done .dot, .s-delays .dot { background: var(--warn); }
.s-unanswered .dot { background: var(--ink); }
.item { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; margin-bottom: 8px; }
.item-meta { display: flex; gap: 6px 10px; flex-wrap: wrap; color: var(--muted); font-size: 12px; font-family: var(--mono); }
.item-meta .chat { color: var(--ink); font-family: var(--sans); font-weight: 650; font-size: 13px; }
.item-text { margin: 6px 0; overflow-wrap: anywhere; white-space: pre-wrap; }
.item-quote { border-left: 2px solid var(--line-strong); padding-left: 10px; color: var(--muted); font-size: 13px; margin: 6px 0; overflow-wrap: anywhere; }
.item-facts { display: grid; gap: 4px; font-size: 13px; margin-top: 6px; }
.item-facts .k { color: var(--muted); }
.item-note { font-size: 13px; color: var(--warn); display: flex; gap: 6px; }
.item-note::before { content: "!"; font-family: var(--mono); font-weight: 700; }
.item-links { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 8px; font-size: 13px; }
details.thread { margin-top: 8px; font-size: 13px; }
details.thread summary { cursor: pointer; color: var(--muted); }
.thread-msg { padding: 6px 0 6px 10px; border-left: 2px solid var(--line); margin-top: 6px; overflow-wrap: anywhere; }
.thread-msg.mine { border-left-color: var(--accent); }
.empty { text-align: center; padding: 28px 16px; color: var(--muted); }
.stats { font-size: 13px; color: var(--muted); display: grid; gap: 4px; }

.history-row { display: flex; justify-content: space-between; gap: 10px; align-items: center; padding: 12px 0; border-bottom: 1px solid var(--line); }
.history-row:last-child { border-bottom: 0; }
.history-row a { text-decoration: none; color: var(--ink); font-weight: 600; }

.install { position: fixed; left: 12px; right: 12px; bottom: calc(12px + env(safe-area-inset-bottom)); z-index: 20; max-width: 560px; margin: 0 auto;
  background: var(--ink); color: var(--bg); border-radius: 14px; padding: 12px 14px; display: flex; gap: 10px; align-items: center; font-size: 14px; }
.install button { background: none; border: 0; color: inherit; font-size: 20px; cursor: pointer; padding: 4px 8px; }

footer.foot { padding-top: 32px; padding-bottom: calc(48px + env(safe-area-inset-bottom)); color: var(--faint); font-size: 13px; }
footer.foot a { color: var(--muted); }

/* Landing */
.hero { padding: 56px 0 28px; }
.eyebrow { font-family: var(--mono); font-size: 12px; color: var(--accent); letter-spacing: .06em; text-transform: uppercase; margin-bottom: 14px; }
.lead { font-size: 18px; color: var(--muted); max-width: 620px; }
.l-section { padding: 36px 0; border-top: 1px solid var(--line); }
.l-section > h2 { font-size: 24px; margin-bottom: 14px; }
.grid2 { display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.grid3 { display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
.howto { counter-reset: s; list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.howto li { counter-increment: s; display: flex; gap: 14px; align-items: flex-start; }
.howto li::before { content: counter(s); font-family: var(--mono); font-weight: 700; width: 28px; height: 28px; border-radius: 50%; background: var(--ink); color: var(--bg); display: grid; place-items: center; flex: none; font-size: 13px; }
table.cmp { width: 100%; border-collapse: collapse; font-size: 14px; }
table.cmp th, table.cmp td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
table.cmp th { font-size: 12px; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); }
.table-wrap { overflow-x: auto; }
.faq details { border-bottom: 1px solid var(--line); padding: 14px 0; }
.faq summary { cursor: pointer; font-weight: 650; list-style: none; display: flex; justify-content: space-between; gap: 12px; }
.faq summary::after { content: "+"; font-family: var(--mono); color: var(--muted); }
.faq details[open] summary::after { content: "–"; }
.faq details p { margin-top: 8px; color: var(--muted); }
.yes::before { content: "✓ "; color: var(--accent); font-weight: 700; }
.no::before { content: "✕ "; color: var(--danger); font-weight: 700; }
.prose h2 { margin-top: 28px; }
.prose li { margin: 4px 0; }

@media (max-width: 600px) {
  .card { padding: 16px; }
  .hero { padding: 36px 0 18px; }
  .lead { font-size: 16px; }
  .qr { width: 176px; height: 176px; }
  .top .pill { font-size: 11px; padding: 3px 8px; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }