:root {
  --bg: #f5f6f8; --card: #fff; --text: #1d2330; --muted: #6a7385;
  --accent: #2f6fed; --accent-text: #fff; --border: #d9dde6;
  --win: #1e8e4e; --loss: #c03a2b; --draw: #8a7a1f;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12151c; --card: #1b1f29; --text: #e6e9f0; --muted: #98a1b3;
    --accent: #5b8cff; --accent-text: #0b1020; --border: #2c3342;
    --win: #4cc88a; --loss: #ff7a6b; --draw: #d9c75a;
  }
}
* { box-sizing: border-box; }
body { margin: 0; font: 16px/1.4 system-ui, sans-serif; background: var(--bg); color: var(--text); }
header { padding: 12px 16px 0; max-width: 820px; margin: 0 auto; }
h1 { font-size: 1.3rem; margin: 0 0 8px; }
h2 { font-size: 1.1rem; margin-top: 0; }
nav { display: flex; gap: 4px; flex-wrap: wrap; }
nav button { background: transparent; color: var(--muted); border: 0; border-bottom: 3px solid transparent; border-radius: 0; padding: 8px 10px; }
nav button.active { color: var(--text); border-bottom-color: var(--accent); }
main { max-width: 820px; margin: 0 auto; padding: 12px 16px 40px; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: 10px; padding: 16px; margin-bottom: 16px; }
.hidden { display: none !important; }
.error { max-width: 820px; margin: 8px auto; padding: 10px 14px; background: var(--loss); color: #fff; border-radius: 8px; }
label { display: block; margin-bottom: 12px; color: var(--muted); font-size: .9rem; }
input, select, button { font: inherit; padding: 8px 10px; border-radius: 8px; border: 1px solid var(--border); background: var(--card); color: var(--text); }
label > input, label > select { display: block; width: 100%; margin-top: 4px; color: var(--text); }
button { background: var(--accent); color: var(--accent-text); border-color: var(--accent); cursor: pointer; }
button.secondary { background: transparent; color: var(--text); border-color: var(--border); }
button.danger { background: transparent; color: var(--loss); border-color: var(--loss); padding: 4px 8px; }
button.small { padding: 4px 8px; }
fieldset { border: 1px solid var(--border); border-radius: 8px; margin: 0 0 12px; }
.prow { display: flex; align-items: center; gap: 10px; padding: 6px 0; }
.prow .pname { flex: 1; }
.prow input[type=number] { width: 110px; }
.row { display: flex; gap: 8px; flex-wrap: wrap; }
form#game-form, form#player-form { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 12px; }
form#game-form input, form#player-form input { flex: 1; min-width: 140px; }
ul.plain { list-style: none; margin: 0; padding: 0; }
ul.plain li { display: flex; justify-content: space-between; align-items: center; padding: 8px 0; border-top: 1px solid var(--border); gap: 8px; }
.muted { color: var(--muted); font-size: .85rem; }
.match { border-top: 1px solid var(--border); padding: 10px 0; }
.match-head { display: flex; justify-content: space-between; gap: 8px; align-items: baseline; flex-wrap: wrap; }
.match-actions { display: flex; gap: 6px; }
.res-win { color: var(--win); font-weight: 600; }
.res-loss { color: var(--loss); }
.res-draw { color: var(--draw); }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: right; padding: 6px 8px; border-top: 1px solid var(--border); white-space: nowrap; }
th:first-child, td:first-child { text-align: left; }