:root {
  --bg: #f4f7fb;
  --card: #ffffff;
  --ink: #17213a;
  --muted: #55607a;
  --line: #cfd7e6;
  --brand: #2557d6;
  --brand-ink: #ffffff;
  --good: #0b7a43;
  --good-bg: #dcf5e7;
  --warn: #8a4b00;
  --warn-bg: #fff1d6;
  --bad: #a3202e;
  --bad-bg: #fde3e6;
  --info-bg: #e3edff;
  --focus: #ff9f1a;
  --radius: 20px;
  --shadow: 0 2px 0 rgba(23, 33, 58, 0.06), 0 8px 24px rgba(23, 33, 58, 0.06);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Apple Color Emoji", "Segoe UI Emoji", sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1526;
    --card: #1a2340;
    --ink: #f2f5ff;
    --muted: #b4bfdc;
    --line: #35426b;
    --brand: #7ea2ff;
    --brand-ink: #0b1230;
    --good: #7be0a8;
    --good-bg: #123a27;
    --warn: #ffd58a;
    --warn-bg: #3d2b08;
    --bad: #ff9aa6;
    --bad-bg: #44151c;
    --info-bg: #1b2c5c;
    --shadow: 0 2px 0 rgba(0, 0, 0, 0.3);
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font-size: 1.125rem; line-height: 1.45; }
.wrap { max-width: 720px; margin: 0 auto; padding: 16px 14px 56px; padding-left: max(14px, env(safe-area-inset-left)); padding-right: max(14px, env(safe-area-inset-right)); }
h1 { font-size: 1.75rem; margin: 8px 0 4px; line-height: 1.15; }
h2 { font-size: 1.35rem; margin: 22px 0 10px; }
h3 { font-size: 1.15rem; margin: 0; }
p { margin: 6px 0; }
.muted { color: var(--muted); }
.loading { text-align: center; padding: 40px 0; color: var(--muted); }
:focus-visible { outline: 4px solid var(--focus); outline-offset: 2px; }

.card { background: var(--card); border: 2px solid var(--line); border-radius: var(--radius); padding: 14px 16px; margin: 12px 0; box-shadow: var(--shadow); }
.card.done { border-color: var(--good); background: var(--good-bg); }
.card-head { display: flex; align-items: center; gap: 10px; min-height: 40px; }
.emoji { font-size: 1.8rem; line-height: 1; }
.grow { flex: 1; min-width: 0; overflow-wrap: anywhere; }

.banner { border-radius: var(--radius); padding: 14px 16px; margin: 12px 0; font-weight: 700; }
.banner.info { background: var(--info-bg); }
.banner.good { background: var(--good-bg); color: var(--good); }
.banner.warn { background: var(--warn-bg); color: var(--warn); }
.banner.bad { background: var(--bad-bg); color: var(--bad); }
.banner .big { font-size: 1.5rem; display: block; }
.banner .sub { font-weight: 500; display: block; margin-top: 2px; }

.badge { display: inline-block; font-size: 0.8rem; font-weight: 700; padding: 2px 10px; border-radius: 999px; background: var(--info-bg); color: var(--ink); white-space: nowrap; }

progress { width: 100%; height: 28px; border-radius: 999px; border: 2px solid var(--line); background: var(--card); appearance: none; -webkit-appearance: none; overflow: hidden; display: block; }
progress::-webkit-progress-bar { background: var(--card); }
progress::-webkit-progress-value { background: linear-gradient(90deg, #35c46b, #2fa4ff); border-radius: 999px; transition: width 0.3s ease; }
progress::-moz-progress-bar { background: linear-gradient(90deg, #35c46b, #2fa4ff); border-radius: 999px; }
.progress-copy { font-weight: 700; margin: 6px 2px 0; }

/* big checkboxes */
.check { display: flex; align-items: center; gap: 14px; min-height: 64px; padding: 8px 6px; cursor: pointer; border-radius: 14px; position: relative; }
.check + .check { border-top: 1px dashed var(--line); }
.check input { position: absolute; opacity: 0; width: 56px; height: 56px; left: 0; margin: 0; cursor: pointer; }
.check .box { flex: none; width: 48px; height: 48px; border: 3px solid var(--muted); border-radius: 14px; background: var(--card); display: grid; place-items: center; font-size: 1.8rem; color: transparent; transition: background 0.1s; }
.check input:checked + .box { background: var(--good); border-color: var(--good); color: #fff; }
.check input:checked + .box::after { content: "✓"; font-weight: 900; }
.check input:focus-visible + .box { outline: 4px solid var(--focus); outline-offset: 3px; }
.check input:disabled + .box { opacity: 0.6; }
.check .txt { flex: 1; font-size: 1.2rem; overflow-wrap: anywhere; }
.check input:checked ~ .txt { text-decoration: line-through; text-decoration-thickness: 2px; color: var(--muted); }

.btn { appearance: none; font: inherit; font-weight: 700; min-height: 56px; min-width: 56px; padding: 10px 20px; border-radius: 16px; border: 3px solid var(--line); background: var(--card); color: var(--ink); cursor: pointer; }
.btn:hover:not(:disabled) { border-color: var(--brand); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn.primary { background: var(--brand); color: var(--brand-ink); border-color: var(--brand); }
.btn.danger { color: var(--bad); border-color: var(--bad); }
.btn.big { width: 100%; font-size: 1.4rem; min-height: 72px; margin-top: 12px; }
.btn.small { min-height: 44px; min-width: 44px; padding: 6px 12px; font-size: 1rem; }
.yesno { display: flex; gap: 12px; margin-top: 8px; }
.yesno .btn { flex: 1; font-size: 1.25rem; }
.yesno .btn[aria-pressed="true"].yes { background: var(--good); border-color: var(--good); color: #fff; }
.yesno .btn[aria-pressed="true"].no { background: var(--warn); border-color: var(--warn); color: #fff; }
@media (prefers-color-scheme: dark) {
  .yesno .btn[aria-pressed="true"].yes { color: #06240f; }
  .yesno .btn[aria-pressed="true"].no { color: #2a1900; }
}

/* forms */
label.field { display: block; font-weight: 700; margin: 12px 0 4px; }
input[type="text"], input[type="password"], input[type="date"], input[type="number"], input[type="tel"], select {
  width: 100%; min-height: 52px; font: inherit; padding: 8px 12px; border-radius: 14px; border: 2px solid var(--line); background: var(--card); color: var(--ink);
}
input.pin { font-size: 2rem; letter-spacing: 0.4em; text-align: center; }
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.row > .grow { flex: 1 1 160px; }
.error { color: var(--bad); font-weight: 700; margin-top: 8px; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.sync { position: fixed; bottom: 12px; left: 50%; transform: translateX(-50%); background: var(--warn-bg); color: var(--warn); border: 2px solid var(--warn); border-radius: 999px; padding: 8px 16px; font-weight: 700; z-index: 5; }
.status-foot { text-align: center; color: var(--muted); font-size: 0.95rem; margin-top: 22px; }

/* parent */
body.parent { font-size: 1rem; }
.tabs { display: flex; gap: 6px; flex-wrap: wrap; margin: 10px 0; position: sticky; top: 0; background: var(--bg); padding: 8px 0; z-index: 3; }
.tabs .btn { flex: 1 1 auto; min-height: 48px; padding: 6px 10px; }
.tabs .btn[aria-current="page"] { background: var(--brand); color: var(--brand-ink); border-color: var(--brand); }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 8px 6px; border-bottom: 1px solid var(--line); vertical-align: top; }
.item-row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.item-row .actions { display: flex; gap: 6px; flex-wrap: wrap; }
.days { display: flex; gap: 6px; flex-wrap: wrap; }
.days label { display: inline-flex; align-items: center; gap: 4px; min-height: 44px; padding: 0 10px; border: 2px solid var(--line); border-radius: 12px; background: var(--card); }
.days input { width: 20px; height: 20px; }
.step-row { display: flex; gap: 6px; margin: 6px 0; }
.step-row input { flex: 1; }
.toggle { display: inline-flex; align-items: center; gap: 8px; min-height: 44px; }
.toggle input { width: 22px; height: 22px; }
.ok-msg { color: var(--good); font-weight: 700; margin-top: 8px; }

@media (min-width: 700px) {
  .wrap { padding-top: 28px; }
  h1 { font-size: 2.1rem; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }