:root {
  color-scheme: light;
  --bg: #f3f1ec;
  --ink: #1c1915;
  --muted: #6f6a62;
  --line: #e3dfd6;
  --card: #fffcf7;
  --accent: #1f6f54;
  --accent-ink: #143d2e;
  --over: #9a3412;
  --over-bg: #ffedd5;
  --high: #991b1b;
  --high-bg: #fee2e2;
  --ok: #14532d;
  --ok-bg: #dcfce7;
  --hero: #1c2421;
  --hero-ink: #f4f1ea;
  font-family: Pretendard, "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
}

button, input, select, textarea { font: inherit; color: inherit; }

button { cursor: pointer; }

a { color: inherit; }

#app {
  max-width: 720px;
  margin: 0 auto;
  padding: 16px 20px 64px;
}

.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  position: sticky;
  top: 0;
  z-index: 2;
  background: var(--bg);
  padding: 10px 0 12px;
}

.brand { font-weight: 700; letter-spacing: -0.03em; }

.nav { display: flex; gap: 4px; align-items: center; }

.nav a, .nav button, .btn, .btn-ghost {
  border: 0;
  background: transparent;
  text-decoration: none;
  border-radius: 999px;
  padding: 7px 10px;
  color: var(--muted);
}

.nav a.on, .btn {
  background: var(--hero);
  color: var(--hero-ink);
}

.btn { display: inline-block; }

.btn-ghost { border: 1px solid var(--line); color: var(--ink); background: var(--card); }

.login {
  min-height: 70vh;
  display: grid;
  align-content: center;
  gap: 8px;
  max-width: 360px;
  margin: 0 auto;
}

.login h1 { margin: 0; font-size: 32px; letter-spacing: -0.04em; }

.muted { color: var(--muted); }

.small { font-size: 13px; line-height: 1.6; }

label { display: grid; gap: 6px; font-size: 13px; color: var(--muted); }

input, select, textarea {
  width: 100%;
  border: 1px solid var(--line);
  background: var(--card);
  border-radius: 12px;
  padding: 12px 12px;
}

textarea { min-height: 72px; resize: vertical; }

.err { color: var(--high); margin: 0; }

.hero {
  background: var(--hero);
  color: var(--hero-ink);
  border-radius: 20px;
  padding: 18px 18px 16px;
  display: grid;
  gap: 4px;
}

.kicker { color: var(--muted); font-size: 13px; }
.hero .kicker { color: #c8c2b6; }
.sub { display: block; color: var(--muted); font-size: 12px; font-weight: 450; }

.score {
  font-size: 64px;
  line-height: 0.9;
  letter-spacing: -0.05em;
  font-weight: 650;
  margin: 6px 0 0;
}

.score span { font-size: 14px; font-weight: 500; margin-left: 6px; color: #c8c2b6; }

.stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 14px;
}

.stat, .card, .callout {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
}

.stat { padding: 12px 14px; }

.stat b, .val {
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.03em;
}

.stat b { display: block; font-size: 28px; font-weight: 650; }

.stat .unit { font-size: 14px; font-weight: 500; margin-left: 2px; }

.card { padding: 4px 18px 16px; margin-top: 16px; }

.card h2, .callout h2 {
  font-size: 15px;
  margin: 16px 0 10px;
  color: var(--ink);
  font-weight: 700;
  letter-spacing: -0.03em;
}

.row {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) auto auto;
  gap: 10px;
  align-items: center;
  padding: 13px 0;
  border-top: 1px solid var(--line);
}

.row .name { font-weight: 620; }

.row .sub { display: block; color: var(--muted); font-size: 12px; font-weight: 450; }

.val { font-size: 18px; font-weight: 620; text-align: right; }

.tag {
  font-size: 12px;
  font-weight: 650;
  border-radius: 999px;
  padding: 3px 8px;
  background: #eeeae3;
  color: var(--muted);
  justify-self: end;
}

.tag.over, .tag.mild { background: var(--over-bg); color: var(--over); }
.tag.high { background: var(--high-bg); color: var(--high); }
.tag.standard, .tag.normal { background: var(--ok-bg); color: var(--ok); }
.tag.adj { background: #e7f0ec; color: var(--accent-ink); }
.stat .tag { margin-right: 6px; }

.callout { padding: 16px 18px 18px; margin-top: 16px; }

.prose p {
  margin: 0 0 12px;
  line-height: 1.75;
  font-size: 15px;
}

.prose p:last-child { margin-bottom: 0; }

.prose.balance p {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
}

.deltas {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin: 4px 0 14px;
}

.deltas div {
  background: var(--bg);
  border-radius: 12px;
  padding: 10px 8px;
}

.deltas span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  margin-bottom: 4px;
}

.deltas b {
  font-size: 16px;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.03em;
}

.callout .small { margin: 8px 0 0; }
.callout .switch { margin-top: 12px; }

.switch { display: flex; gap: 8px; align-items: center; color: var(--ink); font-size: 14px; }

.switch input { width: auto; }

.meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px 12px;
  padding: 8px 0 12px;
}

.meta div { display: grid; gap: 2px; }

.meta b { font-size: 16px; font-variant-numeric: tabular-nums; }

.parts { width: 100%; border-collapse: collapse; margin: 4px 0 12px; }

.parts th, .parts td {
  text-align: right;
  padding: 8px 4px;
  border-top: 1px solid var(--line);
  font-variant-numeric: tabular-nums;
}

.parts th:first-child, .parts td:first-child { text-align: left; font-weight: 620; }

.parts th { color: var(--muted); font-size: 12px; font-weight: 650; }

.list { display: grid; gap: 8px; margin-top: 12px; }

.item {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px 12px;
  align-items: center;
  padding: 14px 16px;
  text-decoration: none;
}

.item-main { display: flex; gap: 12px; align-items: center; min-width: 0; }

.item b { font-size: 18px; }

.actions { display: flex; gap: 6px; align-items: center; }

.chart { width: 100%; height: auto; display: block; margin-top: 8px; }

.legend { display: flex; gap: 12px; font-size: 12px; color: var(--muted); }

.dot { width: 8px; height: 8px; border-radius: 99px; display: inline-block; margin-right: 4px; }
.dot.xiaomi { background: #1f6f54; }
.dot.inbody { background: #9a3412; }

form.grid { display: grid; gap: 10px; margin-top: 8px; }

.pair { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }

details { border-top: 1px solid var(--line); padding-top: 8px; }

summary { cursor: pointer; color: var(--muted); margin-bottom: 8px; }

.form-actions { display: flex; gap: 8px; align-items: center; }

.shot-card { padding-bottom: 14px; }

.shot {
  width: 100%;
  max-height: 280px;
  object-fit: contain;
  object-position: top;
  background: #17191c;
  border-radius: 12px;
}

.thumb { width: 44px; height: 56px; object-fit: cover; border-radius: 8px; background: #17191c; flex: none; }

.figure {
  display: grid;
  grid-template-columns: 1fr 1.2fr 1fr;
  gap: 8px;
}

.limb {
  border-radius: 14px;
  padding: 12px 12px 10px;
  background: #f6f4ef;
}

.limb.trunk { background: #eef3f0; }
.limb.gap { background: transparent; }
.limb b { display: block; font-size: 14px; letter-spacing: -0.03em; }
.limb-row {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  margin-top: 8px;
  font-size: 13px;
  color: var(--muted);
}
.limb-row em {
  font-style: normal;
  color: var(--ink);
  font-weight: 650;
  font-variant-numeric: tabular-nums;
}

@media (max-width: 520px) {
  .score { font-size: 56px; }
  .stat b { font-size: 24px; }
  .deltas b { font-size: 14px; }
  #app { padding: 12px 14px 56px; }
}