:root {
  --bg: #f2f5fa;
  --card: #ffffff;
  --ink: #333944;
  --muted: #8d96a5;
  --accent: #658dc6;
  --accent-soft: #e4ebf6;
  --green: #7fa96b;
  --green-soft: #eef4ea;
  --danger: #c96b5f;
  --radius: 14px;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, "PingFang TC", "Noto Sans TC", sans-serif;
  background: var(--bg);
  color: var(--ink);
  padding-bottom: calc(72px + env(safe-area-inset-bottom));
}
main { max-width: 640px; margin: 0 auto; padding: 12px 14px; }
h1 { font-size: 22px; }
h2 { font-size: 20px; margin: 10px 0; }
h3 { font-size: 16px; margin: 4px 0 10px; }
a { color: inherit; text-decoration: none; }
p { line-height: 1.6; }

.topbar {
  position: sticky; top: 0; z-index: 10;
  display: flex; justify-content: space-between; align-items: center;
  padding: 10px 16px calc(10px); padding-top: max(10px, env(safe-area-inset-top));
  background: color-mix(in srgb, var(--bg) 88%, white); backdrop-filter: blur(8px);
  border-bottom: 1px solid #e2e8f2;
}
.child-name { font-weight: 700; font-size: 17px; }
.child-age { font-size: 13px; color: var(--muted); }
.gear svg {
  width: 24px; height: 24px; fill: none;
  stroke: var(--accent); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round;
}

.bottomnav {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 10;
  display: flex; justify-content: space-around; align-items: center;
  background: #fbfcfe; border-top: 1px solid #e2e8f2;
  padding: 6px 4px calc(6px + env(safe-area-inset-bottom));
}
.bottomnav a {
  display: flex; flex-direction: column; align-items: center;
  font-size: 11px; color: var(--muted); min-width: 56px; padding: 2px 0;
}
.bottomnav a svg {
  width: 22px; height: 22px; fill: none;
  stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round;
  margin-bottom: 2px;
}
.bottomnav a.on { color: var(--accent); font-weight: 600; }
.bottomnav .addbtn {
  background: var(--accent); color: #fff; font-size: 30px; line-height: 1;
  width: 52px; height: 52px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  margin-top: -22px; box-shadow: 0 4px 10px rgba(101, 141, 198, .45);
}

.card {
  display: block; background: var(--card); border-radius: var(--radius);
  padding: 14px; margin: 12px 0; box-shadow: 0 1px 4px rgba(0, 0, 0, .05);
}
.record-card:active { transform: scale(.99); }
.card-meta { display: flex; gap: 8px; align-items: center; font-size: 13px; color: var(--muted); }
.age-chip { background: var(--accent-soft); color: #46618f; border-radius: 99px; padding: 1px 9px; font-size: 12px; }
.card-title { font-weight: 650; font-size: 16px; margin-top: 6px; }
.card-note { margin: 6px 0 0; color: #5b6472; font-size: 14px; }
.card-foot { display: flex; justify-content: space-between; margin-top: 8px; font-size: 12px; color: var(--muted); }
.tags a, .tags { color: var(--green); }
.badge { font-size: 12px; border-radius: 6px; padding: 2px 7px; margin-right: 6px; vertical-align: 2px; }
.badge-ms { background: var(--accent-soft); color: #46618f; }
.badge-gr { background: var(--green-soft); color: var(--green); }

.media-grid { display: grid; gap: 4px; margin-top: 10px; position: relative; }
.media-grid.n1 { grid-template-columns: 1fr; }
.media-grid.n2 { grid-template-columns: 1fr 1fr; }
.media-grid.n3, .media-grid.n4 { grid-template-columns: 1fr 1fr; }
.media-grid img, .media-grid video {
  width: 100%; aspect-ratio: 1; object-fit: cover; border-radius: 8px; background: #eee;
}
.media-grid.n1 img, .media-grid.n1 video { aspect-ratio: auto; max-height: 420px; }
.more-media {
  position: absolute; right: 8px; bottom: 8px; background: rgba(0,0,0,.55);
  color: #fff; border-radius: 8px; padding: 2px 10px; font-size: 14px;
}
.full-media { width: 100%; border-radius: 10px; margin-top: 10px; }

.review { margin-top: 8px; }
.review-label { font-size: 14px; font-weight: 700; color: #46618f; margin: 4px 2px; }
.review .card { border: 2px solid var(--accent-soft); margin-top: 6px; }

.empty { text-align: center; color: var(--muted); padding: 48px 16px; }
.loadmore { display: block; text-align: center; color: var(--accent); font-weight: 600; padding: 12px; }
.back { display: inline-block; color: var(--muted); margin: 4px 0; }

input[type=text], input[type=password], input[type=date], input[type=search], input[type=number], textarea, select {
  width: 100%; font-size: 16px; font-family: inherit;
  padding: 10px 12px; border: 1.5px solid #dce3ee; border-radius: 10px;
  background: #fbfcfe; color: var(--ink); margin: 6px 0;
}
textarea { resize: vertical; }
label { font-size: 14px; color: #5b6472; display: block; }
.row { display: flex; gap: 10px; align-items: end; }
.row.wrap { flex-wrap: wrap; align-items: center; }
.row .grow { flex: 1; }
.approx { display: flex; align-items: center; gap: 4px; white-space: nowrap; padding-bottom: 14px; font-size: 14px; }
.row.wrap .approx, .seg .approx { padding-bottom: 0; }
.hint { font-size: 13px; color: var(--muted); }
.hidden { display: none !important; }
.ico {
  width: 1em; height: 1em; fill: none;
  stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round;
  vertical-align: -0.12em;
}

button, .btn {
  font-size: 15px; font-family: inherit; border: 1.5px solid #dce3ee; border-radius: 10px;
  background: #fbfcfe; color: var(--ink); padding: 10px 16px; cursor: pointer;
  display: inline-block;
}
button.primary { background: var(--accent); border-color: var(--accent); color: #fff; font-weight: 700; width: 100%; margin-top: 8px; }
button.danger { color: var(--danger); border-color: #eccfc9; }
.actions { display: flex; gap: 8px; margin-top: 14px; }
.actions form { display: inline; }

.seg { display: flex; gap: 6px; flex-wrap: wrap; margin: 10px 0; }
.seg label {
  border: 1.5px solid #dce3ee; border-radius: 99px; padding: 8px 14px;
  background: #fbfcfe; font-size: 14px; cursor: pointer;
}
.seg label:has(input:checked) { background: var(--accent-soft); border-color: var(--accent); color: #46618f; font-weight: 600; }
.seg input { display: none; }
.tagchecks { margin-top: 2px; }
.tagchecks label { padding: 6px 12px; font-size: 13px; color: var(--green); }

.filepick {
  display: block; border: 2px dashed #b9c8e3; border-radius: var(--radius);
  padding: 22px 16px; text-align: center; background: #fbfcfe; color: #46618f;
  font-size: 15px; cursor: pointer; margin: 10px 0;
}
.filepick input { display: none; }
.preview { display: flex; gap: 6px; flex-wrap: wrap; }
.preview img, .preview video { width: 72px; height: 72px; object-fit: cover; border-radius: 8px; }

.ms-list { margin-bottom: 18px; }
.ms-item {
  display: flex; align-items: center; gap: 10px;
  background: var(--card); border-radius: 10px; padding: 12px; margin: 6px 0;
  box-shadow: 0 1px 3px rgba(0,0,0,.04);
}
.ms-item .ms-name { flex: 1; font-weight: 600; }
.ms-item .ms-range { font-size: 12px; color: var(--muted); }
.ms-item.todo .ms-dot { color: #b9c8e3; }
.section-title { margin-top: 20px; color: #5b6472; }

.metric-inputs { display: grid; grid-template-columns: 1fr 1fr; gap: 0 12px; }
.unit-wrap { display: flex; align-items: center; gap: 6px; }
.unit-wrap .unit { color: var(--muted); font-size: 14px; }
.entries { width: 100%; border-collapse: collapse; font-size: 14px; }
.entries td, .entries th { padding: 7px 4px; border-bottom: 1px solid #e7edf5; text-align: left; }
.entries .del { color: var(--danger); background: none; border: none; padding: 2px 6px; font-size: 13px; }
.pill { background: var(--green-soft); color: var(--green); border-radius: 99px; padding: 3px 12px; font-size: 14px; display: inline-block; margin: 2px 0; }

.flash { background: var(--green-soft); color: var(--green); border-radius: 10px; padding: 10px 14px; margin: 10px 0; }
.flash.error { background: #f7e5e2; color: var(--danger); }
.auth { padding-top: 15vh; }
.auth h1 { text-align: center; }
details.card summary { cursor: pointer; font-weight: 600; font-size: 15px; }