:root {
  --bg: #fff5f7;
  --card: #ffffff;
  --text: #2b1d22;
  --muted: #8a7178;
  --line: #f1dfe4;
  --accent: #e45d86;
  --accent-soft: #fde4ec;
  --accent-2: #8e6cd8;
  --ok: #2fa36b;
  --warn: #d9822b;
  --danger: #d64545;
  --shadow: 0 4px 18px rgba(228, 93, 134, .08);
  --radius: 18px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1c1416;
    --card: #2a1f23;
    --text: #f6eaee;
    --muted: #b49ba3;
    --line: #3d2d33;
    --accent: #ff7aa2;
    --accent-soft: #4a2633;
    --accent-2: #b39cf0;
    --shadow: none;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html, body { margin: 0; background: var(--bg); color: var(--text); }
body {
  font: 16px/1.45 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}
#app {
  max-width: 560px;
  margin: 0 auto;
  padding: calc(env(safe-area-inset-top) + 12px) 16px calc(env(safe-area-inset-bottom) + 96px);
}
h1 { font-size: 30px; line-height: 1.15; margin: 8px 0 4px; letter-spacing: -.02em; }
h2 { font-size: 20px; margin: 0 0 10px; letter-spacing: -.01em; }
h3 { font-size: 16px; margin: 0 0 6px; }
p { margin: 0 0 8px; }
.muted { color: var(--muted); }
.small { font-size: 13px; }
.center { text-align: center; }
.row { display: flex; gap: 10px; align-items: center; }
.row.between { justify-content: space-between; }
.grow { flex: 1; min-width: 0; }
.stack > * + * { margin-top: 12px; }

.topbar { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 14px; }
.icon-btn {
  border: 0; background: var(--card); color: var(--text); width: 40px; height: 40px;
  border-radius: 50%; display: grid; place-items: center; box-shadow: var(--shadow); font-size: 18px;
}

.card {
  background: var(--card); border-radius: var(--radius); padding: 16px;
  box-shadow: var(--shadow); margin-bottom: 14px; border: 1px solid var(--line);
}
.card.soft { background: var(--accent-soft); border-color: transparent; box-shadow: none; }
.card.danger { border-color: rgba(214,69,69,.35); }
.card-title { font-size: 13px; font-weight: 600; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); margin-bottom: 8px; }

/* Hero progress */
.hero { display: flex; gap: 18px; align-items: center; }
.ring { position: relative; width: 132px; height: 132px; flex: none; }
.ring svg { width: 100%; height: 100%; transform: rotate(-90deg); }
.ring .track { stroke: var(--accent-soft); }
.ring .bar { stroke: var(--accent); stroke-linecap: round; transition: stroke-dashoffset .6s ease; }
.ring-label { position: absolute; inset: 0; display: grid; place-content: center; text-align: center; }
.ring-label b { font-size: 38px; line-height: 1; letter-spacing: -.03em; }
.ring-label span { font-size: 12px; color: var(--muted); }
.stat-big { font-size: 22px; font-weight: 700; }
.pill { display: inline-block; padding: 3px 10px; border-radius: 99px; background: var(--accent-soft); color: var(--accent); font-size: 13px; font-weight: 600; }

.baby { display: flex; gap: 14px; align-items: center; }
.baby .emoji { font-size: 56px; line-height: 1; width: 72px; height: 72px; display: grid; place-items: center; background: var(--accent-soft); border-radius: 20px; flex: none; }
.kv { display: flex; gap: 16px; margin-top: 4px; }
.kv div b { display: block; font-size: 17px; }
.kv div span { font-size: 12px; color: var(--muted); }

/* Week picker */
.weekstrip { display: flex; gap: 8px; overflow-x: auto; padding: 4px 2px 10px; margin: 0 -16px 8px; padding-left: 16px; padding-right: 16px; scroll-snap-type: x mandatory; scrollbar-width: none; }
.weekstrip::-webkit-scrollbar { display: none; }
.weekstrip button {
  flex: none; width: 52px; height: 60px; border-radius: 14px; border: 1px solid var(--line);
  background: var(--card); color: var(--text); font-weight: 700; font-size: 18px; scroll-snap-align: center;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 0;
}
.weekstrip button small { font-size: 10px; font-weight: 500; color: var(--muted); }
.weekstrip button.now { border-color: var(--accent); }
.weekstrip button.sel { background: var(--accent); color: #fff; border-color: var(--accent); }
.weekstrip button.sel small { color: rgba(255,255,255,.85); }

/* Segmented */
.seg { display: flex; background: var(--line); border-radius: 12px; padding: 3px; margin-bottom: 14px; }
.seg button { flex: 1; border: 0; background: transparent; padding: 8px 4px; border-radius: 9px; font: inherit; font-size: 14px; font-weight: 600; color: var(--muted); }
.seg button.on { background: var(--card); color: var(--text); box-shadow: 0 1px 4px rgba(0,0,0,.08); }

/* Buttons & forms */
.btn {
  border: 0; border-radius: 14px; padding: 13px 18px; font: inherit; font-weight: 600;
  background: var(--accent); color: #fff; width: 100%; display: block;
}
.btn.secondary { background: var(--accent-soft); color: var(--accent); }
.btn.ghost { background: transparent; color: var(--accent); padding: 8px; }
.btn.danger { background: transparent; color: var(--danger); border: 1px solid var(--line); }
.btn:active { opacity: .85; transform: scale(.99); }
.btn-row { display: flex; gap: 10px; }
.btn-row .btn { flex: 1; }

label.field { display: block; margin-bottom: 12px; }
label.field > span { display: block; font-size: 13px; font-weight: 600; color: var(--muted); margin-bottom: 5px; }
input, textarea, select {
  width: 100%; font: inherit; font-size: 16px; color: var(--text); background: var(--bg);
  border: 1px solid var(--line); border-radius: 12px; padding: 11px 12px; outline: none;
  -webkit-appearance: none; appearance: none; min-height: 46px;
}
input:focus, textarea:focus { border-color: var(--accent); }
textarea { min-height: 90px; resize: vertical; }
.radio-cards { display: grid; gap: 8px; margin-bottom: 12px; }
.radio-cards label { display: flex; gap: 10px; align-items: center; padding: 12px; border: 1px solid var(--line); border-radius: 12px; background: var(--bg); }
.radio-cards input { width: 20px; height: 20px; min-height: 0; accent-color: var(--accent); -webkit-appearance: auto; appearance: auto; }

/* Big round tap button */
.tap {
  width: 210px; height: 210px; border-radius: 50%; border: 0; margin: 8px auto 14px; display: grid; place-content: center;
  background: radial-gradient(circle at 30% 25%, #ff9dbb, var(--accent)); color: #fff; font: inherit;
  box-shadow: 0 14px 34px rgba(228,93,134,.35); text-align: center; user-select: none; -webkit-user-select: none;
}
.tap:active { transform: scale(.96); }
.tap b { font-size: 64px; line-height: 1; }
.tap span { font-size: 15px; font-weight: 600; opacity: .95; }
.tap.purple { background: radial-gradient(circle at 30% 25%, #c7b5ff, var(--accent-2)); box-shadow: 0 14px 34px rgba(142,108,216,.35); }
.timer { font-variant-numeric: tabular-nums; font-size: 34px; font-weight: 700; text-align: center; letter-spacing: -.02em; }

/* Lists */
.list { list-style: none; padding: 0; margin: 0; }
.list li { display: flex; gap: 12px; align-items: center; padding: 11px 0; border-top: 1px solid var(--line); }
.list li:first-child { border-top: 0; }
.list .meta { font-size: 13px; color: var(--muted); }
.del { border: 0; background: transparent; color: var(--muted); font-size: 18px; padding: 4px 6px; }
.check {
  width: 26px; height: 26px; border-radius: 50%; border: 2px solid var(--line); background: transparent;
  flex: none; display: grid; place-items: center; color: #fff; font-size: 14px; padding: 0;
}
.check.on { background: var(--ok); border-color: var(--ok); }
.done-text { text-decoration: line-through; opacity: .55; }
.tag { white-space: nowrap; display: inline-block; font-size: 11px; font-weight: 700; padding: 2px 7px; border-radius: 6px; background: var(--accent-soft); color: var(--accent); }
.tag.now { background: var(--accent); color: #fff; }
.tag.ok { background: rgba(47,163,107,.15); color: var(--ok); }

.alert { padding: 12px 14px; border-radius: 14px; background: rgba(214,69,69,.1); color: var(--danger); font-weight: 600; margin-bottom: 14px; }
.alert.info { background: var(--accent-soft); color: var(--accent); }

.stats3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; text-align: center; }
.stats3 div { background: var(--bg); border-radius: 12px; padding: 10px 4px; }
.stats3 b { display: block; font-size: 20px; font-variant-numeric: tabular-nums; }
.stats3 span { font-size: 11px; color: var(--muted); }

.moods { display: flex; gap: 6px; justify-content: space-between; margin-bottom: 12px; }
.moods button { flex: 1; font-size: 26px; padding: 6px 0; border-radius: 12px; border: 1px solid var(--line); background: var(--bg); }
.moods button.on { border-color: var(--accent); background: var(--accent-soft); }

.chart svg { width: 100%; height: auto; display: block; }
.chart .grid { stroke: var(--line); stroke-width: 1; }
.chart .band { fill: var(--accent-soft); }
.chart .lineP { fill: none; stroke: var(--accent); stroke-width: 2.5; }
.chart .dot { fill: var(--accent); }
.chart text { fill: var(--muted); font-size: 10px; }

details summary { cursor: pointer; font-weight: 600; list-style: none; }
details summary::-webkit-details-marker { display: none; }
details summary::after { content: "›"; float: right; transform: rotate(90deg); transition: transform .2s; color: var(--muted); }
details[open] summary::after { transform: rotate(-90deg); }
ul.bullets { margin: 8px 0 0; padding-left: 20px; }
ul.bullets li { margin: 4px 0; }

/* Tab bar */
.tabbar {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 10;
  display: flex; justify-content: space-around;
  padding: 6px 4px calc(env(safe-area-inset-bottom) + 6px);
  background: color-mix(in srgb, var(--card) 88%, transparent);
  -webkit-backdrop-filter: saturate(180%) blur(20px); backdrop-filter: saturate(180%) blur(20px);
  border-top: 1px solid var(--line);
}
.tabbar[hidden] { display: none; }
.tabbar button { flex: 1; border: 0; background: none; color: var(--muted); display: flex; flex-direction: column; align-items: center; gap: 2px; font: inherit; font-size: 10.5px; font-weight: 600; padding: 4px 0; }
.tabbar svg { width: 25px; height: 25px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.tabbar button.active { color: var(--accent); }
.tabbar button.active svg { fill: var(--accent-soft); }

.toast {
  position: fixed; left: 50%; bottom: calc(env(safe-area-inset-bottom) + 84px); transform: translateX(-50%) translateY(20px);
  background: var(--text); color: var(--bg); padding: 10px 16px; border-radius: 99px; font-size: 14px; font-weight: 600;
  opacity: 0; pointer-events: none; transition: all .25s; z-index: 20; white-space: nowrap;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

.welcome-emoji { font-size: 64px; text-align: center; margin: 24px 0 4px; }
.empty { text-align: center; color: var(--muted); padding: 18px 0 6px; font-size: 14px; }

form .row { align-items: flex-end; }