:root {
  --bg: #f6f5f1;
  --card: #ffffff;
  --sunk: #eeece6;
  --text: #1c1c1a;
  --muted: #64625c;
  --faint: #8f8d86;
  --line: rgba(28, 28, 26, 0.12);
  --line-strong: rgba(28, 28, 26, 0.24);
  --human: #17794a;
  --human-bg: #e3f3e9;
  --human-ink: #0d5232;
  --warn: #9a5800;
  --warn-bg: #fbefd9;
  --danger: #b42318;
  --danger-bg: #fdecea;
  --ink: #1c1c1a;
  --on-ink: #ffffff;
  --radius: 14px;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #141413;
    --card: #1e1e1c;
    --sunk: #262624;
    --text: #f1efe8;
    --muted: #b4b2a9;
    --faint: #8a8880;
    --line: rgba(241, 239, 232, 0.12);
    --line-strong: rgba(241, 239, 232, 0.26);
    --human: #4fc285;
    --human-bg: #12301f;
    --human-ink: #9fe1bd;
    --warn: #f0a940;
    --warn-bg: #3a2a0f;
    --danger: #f28b82;
    --danger-bg: #3d1714;
    --ink: #f1efe8;
    --on-ink: #141413;
  }
}

* { box-sizing: border-box; }

html, body { margin: 0; }

body {
  background: var(--bg);
  color: var(--text);
  font: 16px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  padding-bottom: env(safe-area-inset-bottom);
}

a { color: inherit; }

.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 560px;
  margin: 0 auto;
  padding: calc(14px + env(safe-area-inset-top)) 16px 6px;
}

.brand { display: flex; align-items: center; gap: 8px; text-decoration: none; font-weight: 650; letter-spacing: -0.01em; }
#nav { display: flex; gap: 6px; align-items: center; }
#nav a { text-decoration: none; font-size: 15px; padding: 6px 10px; border-radius: 999px; color: var(--muted); }
#nav a.on, #nav a:hover { color: var(--text); background: var(--sunk); }

main { max-width: 560px; margin: 0 auto; padding: 8px 16px 64px; outline: none; }

h1 { font-size: 30px; line-height: 1.15; letter-spacing: -0.02em; margin: 18px 0 10px; font-weight: 700; }
h2 { font-size: 19px; letter-spacing: -0.01em; margin: 0 0 10px; font-weight: 650; }
h3 { font-size: 16px; margin: 0 0 6px; font-weight: 650; }
p { margin: 0 0 12px; }

.lead { font-size: 18px; color: var(--muted); }
.muted { color: var(--muted); }
.faint { color: var(--faint); font-size: 14px; }
.small { font-size: 14px; }
.center { text-align: center; }
.pad { padding: 32px 0; }
.mono { font-family: var(--mono); }
.stack > * + * { margin-top: 12px; }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
  margin: 14px 0;
}
.card.success { background: var(--human-bg); border-color: transparent; color: var(--human-ink); }
.card.warn { background: var(--warn-bg); border-color: transparent; }
.card.danger { border-color: var(--danger); }
.card > .stack { margin-top: 14px; }
.card h1 { margin-top: 0; }
.card > :last-child { margin-bottom: 0; }

.row { display: flex; gap: 10px; align-items: center; }
.row.wrap { flex-wrap: wrap; }
.row.between { justify-content: space-between; }
.grow { flex: 1; min-width: 0; }

button, .btn {
  appearance: none;
  font: inherit;
  font-size: 16px;
  font-weight: 600;
  border-radius: 12px;
  border: 1px solid var(--line-strong);
  background: var(--card);
  color: var(--text);
  padding: 11px 16px;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 46px;
  transition: transform 0.06s ease, background 0.15s ease;
}
button:hover, .btn:hover { background: var(--sunk); }
button:active, .btn:active { transform: scale(0.98); }
button:disabled { opacity: 0.55; cursor: progress; }
button.primary, .btn.primary { background: var(--ink); color: var(--on-ink); border-color: var(--ink); }
button.primary:hover, .btn.primary:hover { opacity: 0.9; }
button.ghost, .btn.ghost { border-color: transparent; background: transparent; color: var(--muted); }
button.ghost:hover, .btn.ghost:hover { color: var(--text); background: var(--sunk); }
button.danger { color: var(--danger); border-color: var(--danger); }
button.small, .btn.small { font-size: 14px; min-height: 36px; padding: 6px 12px; border-radius: 10px; }
.block { width: 100%; }

input, textarea {
  font: inherit;
  font-size: 17px;
  width: 100%;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--line-strong);
  background: var(--card);
  color: var(--text);
  min-height: 48px;
}
input:focus, textarea:focus, button:focus-visible, a:focus-visible { outline: 3px solid color-mix(in srgb, var(--human) 45%, transparent); outline-offset: 1px; }
textarea { min-height: 120px; font-family: var(--mono); font-size: 13px; }
label { display: block; font-weight: 600; font-size: 15px; margin-bottom: 6px; }
.field-note { font-size: 14px; margin-top: 6px; min-height: 20px; color: var(--muted); }
.field-note.bad { color: var(--danger); }
.field-note.good { color: var(--human); }
.at { position: relative; }
.at::before { content: '@'; position: absolute; left: 14px; top: 50%; transform: translateY(-50%); color: var(--faint); font-size: 17px; }
.at input { padding-left: 32px; }

.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 999px;
  background: var(--sunk);
  color: var(--muted);
  white-space: nowrap;
}
.pill::before { content: ''; width: 7px; height: 7px; border-radius: 50%; background: currentColor; }
.pill.today { background: var(--human-bg); color: var(--human-ink); }
.pill.overdue { background: var(--warn-bg); color: var(--warn); }

.handle { font-weight: 700; letter-spacing: -0.01em; }
.big-handle { font-size: 28px; font-weight: 750; letter-spacing: -0.02em; margin: 0; word-break: break-all; }

.code {
  font-size: 26px;
  font-weight: 750;
  letter-spacing: -0.01em;
  text-align: center;
  padding: 18px 10px;
  border-radius: var(--radius);
  background: var(--sunk);
  margin: 10px 0;
  word-spacing: 4px;
}

.linkbox {
  font-family: var(--mono);
  font-size: 13px;
  background: var(--sunk);
  border-radius: 10px;
  padding: 10px 12px;
  word-break: break-all;
}

.list { list-style: none; padding: 0; margin: 0; }
.list li { display: flex; align-items: center; gap: 10px; padding: 12px 0; border-top: 1px solid var(--line); }
.list li:first-child { border-top: 0; }
.list a { text-decoration: none; }

.steps { counter-reset: s; list-style: none; padding: 0; margin: 18px 0; }
.steps li { counter-increment: s; position: relative; padding: 2px 0 14px 44px; }
.steps li::before {
  content: counter(s);
  position: absolute;
  left: 0;
  top: 0;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--ink);
  color: var(--on-ink);
  display: grid;
  place-items: center;
  font-weight: 700;
  font-size: 15px;
}

.status { display: flex; align-items: center; gap: 10px; color: var(--muted); }
.dot { width: 10px; height: 10px; border-radius: 50%; background: var(--human); animation: pulse 1.4s ease-in-out infinite; flex: none; }
@keyframes pulse { 0%, 100% { opacity: 0.25; transform: scale(0.85); } 50% { opacity: 1; transform: scale(1); } }

.qr { display: block; width: 220px; height: 220px; margin: 12px auto; border-radius: 12px; background: #fff; }
.badge-img { display: block; margin: 8px 0; }

.choice { display: flex; gap: 12px; align-items: flex-start; padding: 12px 0; border-top: 1px solid var(--line); cursor: pointer; font-weight: 400; margin: 0; }
.choice:first-of-type { border-top: 0; }
.choice input { width: 20px; height: 20px; min-height: 0; margin-top: 3px; accent-color: var(--human); flex: none; }

.facts { list-style: none; padding: 0; margin: 10px 0 0; }
.facts li { padding: 4px 0 4px 26px; position: relative; }
.facts li::before { content: '✓'; position: absolute; left: 2px; color: var(--human); font-weight: 800; }
.facts.no li::before { content: '✕'; color: var(--danger); }

details { border-top: 1px solid var(--line); padding: 12px 0; }
summary { cursor: pointer; font-weight: 600; }

#toast {
  position: fixed;
  left: 50%;
  bottom: calc(22px + env(safe-area-inset-bottom));
  transform: translateX(-50%) translateY(20px);
  background: var(--ink);
  color: var(--on-ink);
  padding: 10px 16px;
  border-radius: 12px;
  font-size: 15px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s, transform 0.2s;
  max-width: calc(100% - 32px);
  text-align: center;
}
#toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
#toast.bad { background: var(--danger); color: #fff; }

.hidden { display: none !important; }
[data-mt] { margin-top: 12px; }
.good { color: var(--human); }