:root {
  --bg: #f5f6f8;
  --surface: #ffffff;
  --surface-2: #f0f2f5;
  --line: #dde1e7;
  --text: #1c2330;
  --muted: #667085;
  --accent: #1f6feb;
  --accent-ink: #ffffff;
  --win: #1a7f4b;
  --win-bg: #dcf3e6;
  --lose: #b4443a;
  --lose-bg: #fbe4e1;
  --shared: #9a6a00;
  --shared-bg: #fdf0cc;
  --warn-bg: #fff4d6;
  --warn-ink: #7a5300;
  --sim-bg: #ffd2a3;
  --sim-ink: #7a3300;
  --danger: #c0392b;
  --radius: 10px;
  --shadow: 0 1px 2px rgb(16 24 40 / 6%), 0 1px 3px rgb(16 24 40 / 8%);
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1218;
    --surface: #181c24;
    --surface-2: #20252f;
    --line: #2b313c;
    --text: #e6e9ef;
    --muted: #98a1b2;
    --accent: #5b9bff;
    --accent-ink: #0b1220;
    --win: #5fd69a;
    --win-bg: #17352a;
    --lose: #f08a80;
    --lose-bg: #3b1f1c;
    --shared: #f1c75b;
    --shared-bg: #3a2f12;
    --warn-bg: #3a2f12;
    --warn-ink: #f1c75b;
    --sim-bg: #5c3414;
    --sim-ink: #ffc48a;
    --danger: #f08a80;
    --shadow: none;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.6 system-ui, -apple-system, "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic UI", "Noto Sans JP", Meiryo, sans-serif;
}

h1, h2, h3 { line-height: 1.3; margin: 0; }
h2 { font-size: 1.05rem; }
h3 { font-size: .95rem; }
p { margin: 0 0 .6em; }
small, .muted { color: var(--muted); }
.num { font-variant-numeric: tabular-nums; text-align: right; }

/* ── アプリバー ── */
.appbar {
  position: sticky; top: 0; z-index: 10;
  background: var(--surface);
  border-bottom: 1px solid var(--line);
  padding: 8px 16px 0;
}
.appbar-row { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 12px; max-width: 1120px; margin: 0 auto; }
.brand { font-weight: 700; font-size: 1.05rem; margin-right: 4px; white-space: nowrap; }
.spacer { flex: 1; }

.tabs { display: flex; gap: 4px; max-width: 1120px; margin: 6px auto 0; overflow-x: auto; }
.tab {
  appearance: none; border: 0; background: none; color: var(--muted);
  padding: 8px 14px; font: inherit; font-weight: 600; cursor: pointer;
  border-bottom: 3px solid transparent; white-space: nowrap;
}
.tab:hover { color: var(--text); }
.tab[aria-selected="true"] { color: var(--accent); border-bottom-color: var(--accent); }

main { max-width: 1120px; margin: 0 auto; padding: 16px; display: grid; gap: 16px; }

/* ── 部品 ── */
.card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 16px; min-width: 0;
}
.card-head { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 12px; margin-bottom: 12px; }
.card-head .hint { color: var(--muted); font-size: .85rem; }
.grid-2 { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(min(100%, 420px), 1fr)); }

button, select, input, textarea { font: inherit; color: inherit; }
.btn {
  appearance: none; border: 1px solid var(--line); background: var(--surface); color: var(--text);
  border-radius: 8px; padding: 6px 12px; cursor: pointer; font-weight: 600; white-space: nowrap;
}
.btn:hover:not(:disabled) { background: var(--surface-2); }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn.primary:hover:not(:disabled) { filter: brightness(1.08); background: var(--accent); }
.btn.danger { color: var(--danger); }
.btn.small { padding: 2px 8px; font-size: .85rem; }
.btn.icon { padding: 2px 8px; min-width: 30px; }
.btn:focus-visible, .tab:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible, .cell-btn:focus-visible {
  outline: 2px solid var(--accent); outline-offset: 1px;
}

input[type="text"], input[type="number"], select, textarea {
  background: var(--surface); border: 1px solid var(--line); border-radius: 8px; padding: 6px 10px; min-width: 0;
}
input[type="number"] { width: 5.5em; }
input.narrow { width: 3.4em; text-align: center; }
textarea { width: 100%; min-height: 6em; resize: vertical; font-family: ui-monospace, Menlo, monospace; font-size: .85rem; }

.notice { background: var(--warn-bg); color: var(--warn-ink); border-radius: 8px; padding: 8px 12px; margin: 0 0 12px; font-size: .9rem; }
.notice.error { background: var(--lose-bg); color: var(--lose); }
.empty { text-align: center; padding: 32px 16px; color: var(--muted); }
.empty .btn { margin-top: 8px; }

.chip { display: inline-block; padding: 1px 8px; border-radius: 99px; font-size: .8rem; font-weight: 600; background: var(--surface-2); color: var(--muted); white-space: nowrap; }
.chip.ok { background: var(--win-bg); color: var(--win); }
.chip.warn { background: var(--shared-bg); color: var(--shared); }
.chip.ng { background: var(--lose-bg); color: var(--lose); }

/* ── テーブル共通 ── */
.table-wrap { overflow-x: auto; max-width: 100%; }
table { border-collapse: collapse; width: 100%; }
th, td { padding: 6px 10px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: middle; }
th { font-size: .82rem; color: var(--muted); font-weight: 600; white-space: nowrap; }
td.num, th.num { text-align: right; }
tbody tr:hover { background: color-mix(in srgb, var(--surface-2) 60%, transparent); }
tr.dim td { color: var(--muted); }

/* ── 設定 ── */
.plist { list-style: none; margin: 0 0 12px; padding: 0; display: grid; gap: 6px; }
.plist li { display: flex; gap: 6px; align-items: center; }
.plist .idx { width: 1.6em; color: var(--muted); text-align: right; font-variant-numeric: tabular-nums; }
.plist input[type="text"] { flex: 1; }
.add-row { display: flex; gap: 8px; }
.add-row input { flex: 1; }
.otable td, .otable th { padding: 6px 6px; }
.otable input[type="text"] { width: 100%; min-width: 5em; }
.otable input[type="text"].narrow { width: 3.4em; min-width: 0; }
.pts-cell { display: flex; gap: 6px; align-items: center; white-space: nowrap; }
.pts-cell .sep { color: var(--muted); }

/* ── 星取表 ── */
.star { width: auto; margin: 0 auto; }
.star th, .star td { padding: 0; border: 1px solid var(--line); text-align: center; }
.star thead th { background: var(--surface-2); height: auto; }
.star .vname { writing-mode: vertical-rl; text-orientation: upright; padding: 6px 2px; margin: 0 auto; font-size: .82rem; letter-spacing: .02em; color: var(--text); font-weight: 600; max-height: 9.5em; overflow: hidden; }
.star .rname { text-align: left; padding: 0 10px; white-space: nowrap; background: var(--surface-2); font-weight: 600; font-size: .9rem; }
.star td { width: 2.5rem; min-width: 2.5rem; height: 2.5rem; }
.star td.self { background: repeating-linear-gradient(135deg, transparent 0 5px, var(--line) 5px 6px); }
.cell-btn {
  display: block; width: 100%; height: 100%; min-height: 2.5rem; border: 0; background: transparent; cursor: pointer; font-weight: 700; font-size: .9rem; padding: 0;
}
.cell-btn:hover { background: var(--surface-2); }
.cell-win { background: var(--win-bg); color: var(--win); }
.cell-lose { background: var(--lose-bg); color: var(--lose); }
.cell-shared { background: var(--shared-bg); color: var(--shared); }
.cell-pending { color: var(--line); }
.star .rk { padding: 0 10px; white-space: nowrap; text-align: right; background: var(--surface-2); font-variant-numeric: tabular-nums; }
.star td.rk { font-weight: 700; font-size: .95rem; }
.legend { display: flex; flex-wrap: wrap; gap: 6px 14px; margin-top: 10px; font-size: .85rem; color: var(--muted); }
.legend span.sw { display: inline-block; min-width: 1.6em; padding: 0 4px; text-align: center; font-weight: 700; border-radius: 4px; margin-right: 4px; }

.rank-1 td:first-child { font-weight: 700; }

/* シミュレーションで仮定した結果のマス（暖色） */
.sim { background: var(--sim-bg); color: var(--sim-ink); }

/* 全パターンの星取表 */
.boards { display: grid; gap: 12px; grid-template-columns: repeat(auto-fill, minmax(min(100%, 560px), 1fr)); }
.board { border: 1px solid var(--line); border-radius: 8px; padding: 8px; min-width: 0; }
.board-no { color: var(--muted); font-size: .8rem; font-weight: 600; margin-bottom: 4px; }
.star.mini { margin: 0; }
.star.mini td { width: 1.8rem; min-width: 1.8rem; height: 1.8rem; font-size: .8rem; font-weight: 700; }
.star.mini .vname { font-size: .72rem; max-height: 7.5em; padding: 4px 1px; }
.star.mini .rname { padding: 0 8px; font-size: .8rem; }
.star.mini .rk { padding: 0 8px; white-space: nowrap; font-size: .8rem; text-align: right; background: var(--surface-2); font-variant-numeric: tabular-nums; }
.star.mini td.rk { font-weight: 600; }
.star.mini td.rk.tie { color: var(--shared); }
.star.mini tr.focus .rname, .star.mini tr.focus .rk { color: var(--accent); }
.star.mini tr.focus .rname { box-shadow: inset 3px 0 0 var(--accent); }

.linkish {
  appearance: none; border: 0; background: none; padding: 0; font: inherit; font-weight: 700;
  color: var(--accent); text-decoration: underline; text-underline-offset: 2px; cursor: pointer;
}

/* ── ダイアログ ── */
dialog {
  border: 1px solid var(--line); border-radius: 14px; padding: 0; background: var(--surface); color: var(--text);
  width: min(92vw, 520px); max-height: 88vh; box-shadow: 0 20px 50px rgb(0 0 0 / 30%);
}
dialog.wide { width: min(96vw, 1240px); }
dialog.mid { width: min(94vw, 780px); }
dialog::backdrop { background: rgb(10 14 22 / 55%); }
.dlg-head { padding: 14px 18px 4px; font-weight: 700; font-size: 1.05rem; }
.dlg-body { padding: 8px 18px 12px; overflow-y: auto; max-height: calc(88vh - 130px); }
.dlg-foot { display: flex; flex-wrap: wrap; gap: 8px; justify-content: flex-end; padding: 10px 18px 16px; }
.choices { display: grid; gap: 8px; }
.choice { text-align: left; display: flex; flex-direction: column; gap: 0; padding: 8px 12px; }
.choice small { font-weight: 400; }
.choice.on { border-color: var(--accent); box-shadow: inset 0 0 0 1px var(--accent); }
.dlg-body h3 { margin: 14px 0 6px; }
.dlg-body h3:first-child { margin-top: 4px; }
.row { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
a.btn { display: inline-block; text-decoration: none; }
a.btn[hidden] { display: none; }

/* ── Gist 同期 ── */
.g-time { font-size: .82rem; white-space: nowrap; font-variant-numeric: tabular-nums; }
.g-actions { white-space: nowrap; text-align: right; }
.g-actions .btn + .btn { margin-left: 4px; }

#toast {
  position: fixed; left: 50%; bottom: 20px; transform: translateX(-50%) translateY(20px);
  background: #1c2330; color: #fff; padding: 8px 16px; border-radius: 8px; font-size: .9rem;
  opacity: 0; pointer-events: none; transition: opacity .2s, transform .2s; z-index: 50; max-width: 90vw;
}
#toast.show { opacity: 1; transform: translateX(-50%); }

/* ── シミュレーション ── */
.controls { display: flex; flex-wrap: wrap; gap: 10px 16px; align-items: center; margin-bottom: 12px; }
.controls label { display: inline-flex; gap: 6px; align-items: center; }
.facts { display: flex; flex-wrap: wrap; gap: 8px 24px; margin: 0 0 12px; }
.fact { display: flex; flex-direction: column; }
.fact b { font-size: 1.15rem; font-variant-numeric: tabular-nums; }
.fact span { color: var(--muted); font-size: .8rem; }
progress { width: min(100%, 320px); height: 10px; accent-color: var(--accent); }
.seg { display: inline-flex; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; }
.seg button { border: 0; background: var(--surface); padding: 5px 12px; cursor: pointer; font-weight: 600; color: var(--muted); }
.seg button[aria-pressed="true"] { background: var(--accent); color: var(--accent-ink); }

.heat { background: color-mix(in srgb, var(--accent) calc(var(--p, 0) * 70%), transparent); }
.dist th:first-child, .dist td:first-child { position: sticky; left: 0; background: var(--surface); z-index: 1; }
.dist td, .dist th { text-align: right; }
.dist th:first-child, .dist td:first-child { text-align: left; }
.dist th.vh { text-align: center; }

.pat th, .pat td { padding: 5px 8px; font-size: .88rem; }
.pat th.mh { white-space: normal; text-align: center; min-width: 6.5em; line-height: 1.3; }
.pat th.mh i { display: block; font-style: normal; font-weight: 400; font-size: .72rem; }
.pat td.mc { text-align: center; white-space: nowrap; }
.pat td.any { color: var(--line); }
.pat .me { color: var(--accent); font-weight: 700; }
.pat tbody tr:first-child td { border-top: 0; }
.stale { opacity: .45; }

details { margin-top: 8px; }
summary { cursor: pointer; font-weight: 600; color: var(--muted); }
details p, details li { font-size: .9rem; }
details ul { margin: 4px 0 0; padding-left: 1.4em; }

@media (max-width: 600px) {
  main { padding: 12px; gap: 12px; }
  .card { padding: 12px; }
  .brand { width: 100%; }
  .star td { width: 2.1rem; min-width: 2.1rem; height: 2.1rem; }
  .cell-btn { min-height: 2.1rem; font-size: .8rem; }
  .star .rname { padding: 0 6px; font-size: .8rem; }
}

/* ── タッチ端末 ──
   iOS Safari は、文字サイズが16px未満の入力欄にフォーカスすると画面を拡大する。
   ピンチ拡大を禁止せずに避けるため、入力欄だけを16pxにする */
@media (pointer: coarse) {
  input, select, textarea { font-size: 16px; }
}