:root {
  --bg: #f4f6f3; --card: #fff; --fg: #1d2320; --sub: #66706a; --line: #d9dfda;
  --accent: #2f7d4f; --accent-fg: #fff;
  --tachi-bg: #dcefe2; --tachi-fg: #1f6a3f; --toei-bg: #dde8f7; --toei-fg: #24518f;
  --rsv-bg: #d9482b; --rsv-fg: #fff;
  --sat: #2a5db0; --hol: #c8372d; --sat-bg: #eef3fb; --hol-bg: #fbefed; --today: #fff6cf;
  --danger: #b3261e;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #131714; --card: #1c211e; --fg: #e6ebe7; --sub: #98a39c; --line: #313933;
    --accent: #58b47c; --accent-fg: #0c1a11;
    --tachi-bg: #1f3d2b; --tachi-fg: #9be0b4; --toei-bg: #1d2f4a; --toei-fg: #a9c8f5;
    --rsv-bg: #e2603f; --rsv-fg: #1a0b07;
    --sat: #8fb4f2; --hol: #f08f86; --sat-bg: #18202d; --hol-bg: #2b1b19; --today: #3a3413;
    --danger: #f08f86;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--fg);
  font: 15px/1.5 system-ui, -apple-system, "Hiragino Sans", "Noto Sans JP", "Yu Gothic UI", sans-serif; }
a { color: var(--accent); }
main { max-width: 980px; margin: 0 auto; padding: 12px 12px 48px; }
h1 { font-size: 1.25rem; margin: 0; }
h2 { font-size: 1.05rem; margin: 0 0 8px; }
small { font-size: .7em; font-weight: normal; color: var(--sub); margin-left: 1px; }
code { background: var(--bg); padding: 1px 4px; border-radius: 4px; }

.top { position: sticky; top: 0; z-index: 5; display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  padding: 8px 12px; background: var(--card); border-bottom: 1px solid var(--line); }
.brand { font-weight: 700; white-space: nowrap; }
.top nav { display: flex; gap: 2px; flex-wrap: wrap; }
.top nav a { padding: 5px 10px; border-radius: 999px; text-decoration: none; color: var(--fg); white-space: nowrap; }
.top nav a.on { background: var(--accent); color: var(--accent-fg); }

button, .btn { font: inherit; padding: 7px 14px; border: 1px solid var(--line); border-radius: 8px;
  background: var(--card); color: var(--fg); cursor: pointer; text-decoration: none; display: inline-block; }
button:hover, .btn:hover { border-color: var(--accent); }
button:focus-visible, .btn:focus-visible, tr:focus-visible, input:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
button.primary { background: var(--accent); color: var(--accent-fg); border-color: var(--accent); font-weight: 600; }
button.danger { color: var(--danger); }
button.small { padding: 2px 10px; font-size: .85rem; margin-left: 6px; }

.card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 16px; }
.card.narrow { max-width: 360px; margin: 8vh auto 0; }
.cards { display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); align-items: start; }
form.card label { display: block; margin: 10px 0; color: var(--sub); font-size: .9rem; }
select, input:not([type=checkbox]) { display: block; width: 100%; margin-top: 3px; padding: 8px; font: inherit;
  color: var(--fg); background: var(--bg); border: 1px solid var(--line); border-radius: 8px; }
.row { display: flex; gap: 8px; flex-wrap: wrap; align-items: end; margin-top: 12px; }
.row label { flex: 1 1 140px; margin: 0 !important; }
.note, .meta { color: var(--sub); font-size: .85rem; margin: 6px 0; }
.flash { background: var(--today); border: 1px solid var(--line); border-radius: 8px; padding: 8px 12px; }
fieldset { border: 1px solid var(--line); border-radius: 8px; margin: 12px 0 0; padding: 8px 12px 10px; }
legend { color: var(--sub); font-size: .85rem; padding: 0 4px; }
.checks { display: flex; flex-wrap: wrap; gap: 6px; }
.chk input { position: absolute; opacity: 0; }
.chk span { display: inline-block; min-width: 44px; text-align: center; padding: 6px 10px;
  border: 1px solid var(--line); border-radius: 8px; cursor: pointer; }
.chk input:checked + span { background: var(--accent); color: var(--accent-fg); border-color: var(--accent); font-weight: 600; }
.chk input:focus-visible + span { outline: 2px solid var(--accent); outline-offset: 1px; }
.quick { margin-top: 8px; display: flex; gap: 6px; }
.quick button { padding: 2px 10px; font-size: .85rem; }

/* 状況 */
dl { display: grid; grid-template-columns: auto 1fr; gap: 6px 12px; margin: 8px 0 0; }
dt { color: var(--sub); white-space: nowrap; }
dd { margin: 0; min-width: 0; }
.log { white-space: pre-line; font-variant-numeric: tabular-nums; font-size: .9rem; }
.sta[data-sta="運転中"], .sta[data-sta="少休み"] { color: var(--accent); }
.sta[data-sta="停止中"], .sta[data-sta="ワーカー停止"] { color: var(--sub); }
.sta[data-sta="予約失敗"] { color: var(--danger); }
.yasumi { color: var(--sub); font-variant-numeric: tabular-nums; }

/* ワーカーのログ */
.logcard { margin-top: 12px; display: grid; gap: 8px; min-width: 0; }
.loghead { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.loghead h2 { margin: 0; }
label.inline { display: inline-flex; align-items: center; gap: 4px; margin: 0; color: var(--fg); font-size: .9rem; }
.logbox { height: 55vh; min-height: 240px; overflow: auto; background: var(--bg); border: 1px solid var(--line);
  border-radius: 8px; padding: 6px 8px; font: 12px/1.5 ui-monospace, "SFMono-Regular", Menlo, Consolas, "Noto Sans Mono CJK JP", monospace; }
.logline { white-space: pre-wrap; overflow-wrap: anywhere; }
.logline.err { color: var(--danger); }
.logline.ok { color: var(--accent); font-weight: 700; }
.logline.info { color: var(--toei-fg); }

/* カレンダー */
.monthnav { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; margin-bottom: 6px; }
.monthnav h1 { min-width: 7.5em; text-align: center; }
.monthnav .btn { padding: 4px 12px; }
.cal { width: 100%; border-collapse: collapse; table-layout: fixed; background: var(--card);
  border: 1px solid var(--line); border-radius: 8px; }
.cal th, .cal td { border-bottom: 1px solid var(--line); padding: 3px 2px; text-align: center; vertical-align: top; }
.cal thead th { position: sticky; top: 42px; background: var(--card); z-index: 2; font-size: .85rem; padding: 5px 2px;
  box-shadow: 0 1px 0 var(--line); }
.cal thead th:first-child, .cal tbody th { width: 46px; }
.cal td[data-koma] { border-left: 1px solid var(--line); }
.cal .memo { width: 34%; text-align: left; padding-left: 6px; font-size: .78rem; color: var(--sub);
  border-left: 1px solid var(--line); overflow-wrap: anywhere; }
.cal tbody th { font-size: 1rem; white-space: nowrap; }
.cal tbody tr { cursor: pointer; }
.cal tbody tr:hover { outline: 2px solid var(--accent); outline-offset: -2px; }
.cal tr.sat { background: var(--sat-bg); } .cal tr.sat th { color: var(--sat); }
.cal tr.hol { background: var(--hol-bg); } .cal tr.hol th, .cal tr.hol .memo b { color: var(--hol); }
.cal tr.today th { background: var(--today); box-shadow: inset 3px 0 0 var(--accent); }
.cal tr.past td, .cal tr.past th { opacity: .45; }
.tg { display: flex; flex-wrap: wrap; justify-content: center; gap: 1px; min-height: 1.3em; }
.tg i { font-style: normal; font-size: .72rem; line-height: 1.35; width: 1.35em; border-radius: 3px; }
.tachikawa { background: var(--tachi-bg); color: var(--tachi-fg); }
.toei { background: var(--toei-bg); color: var(--toei-fg); }
.rsvb { display: inline-block; background: var(--rsv-bg); color: var(--rsv-fg); border-radius: 4px;
  padding: 0 4px; font-size: .75rem; font-weight: 700; line-height: 1.4; margin: 1px; white-space: nowrap;
  text-decoration: none; }
a.rsvb:hover { filter: brightness(1.15); text-decoration: underline; }
.vacb { display: inline-block; border: 1.5px solid var(--toei-fg); color: var(--toei-fg); background: var(--card);
  border-radius: 4px; padding: 0 3px; font-size: .72rem; font-weight: 700; line-height: 1.35; margin: 1px;
  white-space: nowrap; text-decoration: none; }
a.vacb:hover { text-decoration: underline; }
.meta .tg { display: inline-flex; vertical-align: middle; }
.count { display: inline-block; margin-right: 10px; }
.foot { margin-top: 10px; }

/* 編集ダイアログ */
dialog { border: 1px solid var(--line); border-radius: 14px; background: var(--card); color: var(--fg);
  padding: 16px; width: min(440px, calc(100vw - 16px)); }
dialog::backdrop { background: rgba(0, 0, 0, .45); }
.grid { width: 100%; border-collapse: separate; border-spacing: 4px; table-layout: fixed; }
.grid th:first-child { width: 86px; text-align: left; }
.grid button { width: 100%; padding: 8px 0; }
.grid .hd { border-color: transparent; background: none; font-weight: 600; }
.grid tbody .hd { width: auto; padding: 8px 4px; }
.grid thead .hd { border-radius: 8px; }
.grid .rsv { display: block; }
.grid .rsv .rsvb { font-size: .8rem; padding: 2px 6px; }
.tgl { background: var(--bg); color: var(--sub); opacity: .55; }
.tgl[aria-pressed="true"] { opacity: 1; font-weight: 700; border-color: currentColor; }
.tgl.tachikawa[aria-pressed="true"] { background: var(--tachi-bg); color: var(--tachi-fg); }
.tgl.toei[aria-pressed="true"] { background: var(--toei-bg); color: var(--toei-fg); }

@media (max-width: 560px) {
  main { padding: 8px 4px 40px; }
  .cal thead th:first-child, .cal tbody th { width: 34px; }
  .cal tbody th { font-size: .9rem; }
  .cal tbody th small { display: block; margin: 0; }
  .cal .memo { width: 22%; font-size: .68rem; padding-left: 3px; }
  .cal .memo { max-height: 3.2em; }
  .tg i { font-size: .66rem; }
  .rsvb, .vacb { font-size: .66rem; padding: 0 2px; }
  .cal thead th { top: 78px; }
}