:root {
  --bg: #fafaf7; --fg: #1d1d1b; --muted: #66665f; --card: #ffffff; --line: #e2e1da;
  --accent: #1f5f8b; --accent-fg: #ffffff; --bonus: #b8570f; --bar: #7fa6c4; --warn-bg: #fff4e0; --warn-line: #e8c98a;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #17181a; --fg: #ececea; --muted: #a0a099; --card: #202225; --line: #34363a;
    --accent: #6fb3e0; --accent-fg: #0e1a22; --bonus: #f0a35e; --bar: #4c7899; --warn-bg: #2a2418; --warn-line: #6b5a2e;
  }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 16px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif; }
header, main, footer { max-width: 760px; margin: 0 auto; padding: 0 16px; }
header { padding-top: 20px; }
h1 { margin: 0; font-size: 1.6rem; letter-spacing: -0.01em; }
h2 { font-size: 1.1rem; margin: 1.4em 0 0.4em; }
.tagline { color: var(--muted); margin: 4px 0 12px; }
.gamebar { display: flex; gap: 8px; align-items: center; margin-bottom: 8px; }
nav { display: flex; gap: 4px; flex-wrap: wrap; border-bottom: 1px solid var(--line); }
nav button { background: none; border: 0; border-bottom: 2px solid transparent; color: var(--muted); padding: 8px 10px; font: inherit; cursor: pointer; }
nav button[aria-selected="true"] { color: var(--fg); border-bottom-color: var(--accent); font-weight: 600; }
main { padding-bottom: 24px; }
footer { color: var(--muted); font-size: 0.85rem; padding-bottom: 32px; border-top: 1px solid var(--line); margin-top: 8px; }
select, input[type=number], textarea { font: inherit; padding: 6px 8px; border: 1px solid var(--line); border-radius: 6px; background: var(--card); color: var(--fg); }
input[type=number] { width: 5.5em; }
textarea { width: 100%; }
button.primary { background: var(--accent); color: var(--accent-fg); border: 0; border-radius: 6px; padding: 8px 14px; font: inherit; font-weight: 600; cursor: pointer; }
button.secondary { background: none; color: var(--accent); border: 1px solid var(--line); border-radius: 6px; padding: 6px 10px; font: inherit; cursor: pointer; }
.row { display: flex; flex-wrap: wrap; gap: 10px 16px; align-items: end; margin: 10px 0; }
.row label { display: flex; flex-direction: column; gap: 2px; font-size: 0.85rem; color: var(--muted); }
.note { background: var(--warn-bg); border: 1px solid var(--warn-line); border-radius: 8px; padding: 10px 12px; font-size: 0.9rem; margin: 12px 0; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 8px; padding: 10px 12px; margin: 8px 0; }
.grid { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.ball { display: inline-flex; align-items: center; justify-content: center; width: 2.1rem; height: 2.1rem; border-radius: 50%; border: 2px solid var(--accent); font-weight: 600; font-variant-numeric: tabular-nums; }
.ball.bonus { border-color: var(--bonus); color: var(--bonus); }
.sep { color: var(--muted); }
.share { margin-left: auto; font-size: 0.85rem; color: var(--muted); }
table { border-collapse: collapse; width: 100%; font-size: 0.92rem; }
th, td { text-align: left; padding: 6px 8px; border-bottom: 1px solid var(--line); font-variant-numeric: tabular-nums; }
th { color: var(--muted); font-weight: 600; font-size: 0.8rem; }
td.num, th.num { text-align: right; }
.chart { width: 100%; height: auto; display: block; margin: 4px 0 8px; }
.chart .bar { fill: var(--bar); }
.chart .exp { stroke: var(--bonus); stroke-dasharray: 4 3; stroke-width: 1.5; }
.chart text { fill: var(--muted); font-size: 10px; }
.muted { color: var(--muted); }
.ok { color: #2e7d32; } .warn { color: var(--bonus); }
@media (prefers-color-scheme: dark) { .ok { color: #7fd183; } }