:root {
  --bg: #fff8f3;
  --card: #ffffff;
  --text: #3b2a24;
  --muted: #8a716a;
  --accent: #e8956b;
  --accent-soft: #fbd9c6;
  --border: #f1e1d7;
  --error: #b3261e;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1c1512;
    --card: #2a201c;
    --text: #f6e9e2;
    --muted: #b9a39a;
    --accent: #f0a882;
    --accent-soft: #4a3226;
    --border: #3a2c26;
    --error: #ffb4ab;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

main {
  max-width: 720px;
  margin: 0 auto;
  padding: 24px 16px 48px;
}

h1 { margin: 0; font-size: 1.8rem; }
h2 { margin: 0 0 8px; font-size: 1.1rem; }
h3 { margin: 16px 0 4px; font-size: 0.9rem; color: var(--muted); font-weight: 600; }

.muted { color: var(--muted); }
.small { font-size: 0.85rem; }

.hero {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
}
.hero p { margin: 0; }

.mascot {
  width: 72px;
  height: 72px;
  flex: none;
  border-radius: 50%;
  background: var(--accent-soft);
  display: grid;
  place-items: center;
  font-size: 40px;
}

.status { padding: 24px; text-align: center; }
.status.error { color: var(--error); }

.tiles {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.tile, .card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 24px;
}

.tile {
  padding: 12px 8px;
  text-align: center;
}
.tile strong { display: block; font-size: 1.6rem; }
.tile span { font-size: 0.8rem; color: var(--muted); }

.card { padding: 16px; margin-top: 12px; }

.segmented { display: flex; gap: 4px; margin-bottom: 8px; }
.segmented button {
  flex: 1;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text);
  border-radius: 99px;
  padding: 6px 8px;
  font: inherit;
  cursor: pointer;
}
.segmented button[aria-pressed="true"] { background: var(--accent-soft); border-color: var(--accent); }

.chart svg { width: 100%; height: auto; display: block; }
.chart .bar rect { fill: var(--accent); opacity: 0.45; }
.chart .bar.current rect { opacity: 1; }
.chart text { fill: var(--muted); font-size: 12px; text-anchor: middle; }
.chart text.value { fill: var(--text); font-weight: 600; }

#history ul { list-style: none; margin: 0; padding: 0; }
#history li {
  display: flex;
  gap: 12px;
  align-items: baseline;
  padding: 6px 0;
  border-bottom: 1px solid var(--border);
}
#history .time { color: var(--muted); font-variant-numeric: tabular-nums; }
#history .title { flex: 1; min-width: 0; overflow-wrap: anywhere; }
#history .points {
  background: var(--accent-soft);
  border-radius: 99px;
  padding: 0 10px;
  font-weight: 600;
  white-space: nowrap;
}
.empty { text-align: center; color: var(--muted); }

footer { margin-top: 32px; text-align: center; }

.landing { text-align: center; padding-top: 48px; }
.landing .mascot { margin: 0 auto 16px; width: 120px; height: 120px; font-size: 64px; }