:root {
  --red: #94070a;
  --red-soft: #fdf2f2;
  --ok: #52c41a;
  --ok-bg: #8ad470;
  --busy: #fd4b37;
  --closed: #e1e1e1;
  --ink: #1f2430;
  --ink-2: #5b6472;
  --ink-3: #8a93a3;
  --line: #e6e9ef;
  --bg: #f5f6f8;
  --card: #fff;
  --warn: #fa8c16;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  font-size: 15px;
  line-height: 1.6;
}

a { color: var(--red); }

.wrap { max-width: 1400px; margin: 0 auto; padding: 0 20px 60px; }

/* ---------- 顶栏 ---------- */
header {
  background: var(--red);
  color: #fff;
  padding: 14px 0;
  margin-bottom: 20px;
}
header .wrap { display: flex; align-items: center; gap: 16px; padding-bottom: 0; }
header h1 { font-size: 19px; margin: 0; font-weight: 600; letter-spacing: .5px; }
header .spacer { flex: 1; }
header .who { font-size: 14px; opacity: .85; }

.dot { display: inline-block; width: 9px; height: 9px; border-radius: 50%; margin-right: 6px; }
.dot.on { background: #7bed7b; box-shadow: 0 0 0 3px rgba(123,237,123,.25); }
.dot.off { background: #ffb3b3; }

/* ---------- 通用卡片 ---------- */
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 16px 18px;
  margin-bottom: 16px;
}
.card > h2 {
  font-size: 16px; margin: 0 0 12px; font-weight: 600;
  display: flex; align-items: center; gap: 8px;
}
.card > h2 .sub { font-size: 13px; color: var(--ink-3); font-weight: 400; }

.grid2 { display: grid; grid-template-columns: 1fr 380px; gap: 16px; align-items: start; }
@media (max-width: 1080px) { .grid2 { grid-template-columns: 1fr; } }

/* ---------- 按钮 ---------- */
button {
  font: inherit; font-size: 14px;
  border: 1px solid var(--line); background: #fff; color: var(--ink);
  padding: 6px 14px; border-radius: 7px; cursor: pointer;
  transition: .15s;
}
button:hover:not(:disabled) { border-color: var(--red); color: var(--red); }
button:disabled { opacity: .45; cursor: not-allowed; }
button.primary { background: var(--red); color: #fff; border-color: var(--red); }
button.primary:hover:not(:disabled) { opacity: .88; color: #fff; }
button.ghost { background: transparent; }
.btns { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }

/* 顶栏在红底上, 按钮要反色否则看不清 */
header button {
  background: rgba(255, 255, 255, .14);
  color: #fff;
  border-color: rgba(255, 255, 255, .4);
}
header button:hover:not(:disabled) {
  background: rgba(255, 255, 255, .26);
  color: #fff;
  border-color: #fff;
}
header button.primary { background: #fff; color: var(--red); border-color: #fff; }
header button.primary:hover:not(:disabled) { background: #ffe9e9; color: var(--red); }
header button:disabled { opacity: .5; }

/* ---------- 空场卡片 ---------- */
.hits { display: flex; flex-direction: column; gap: 8px; }
.hit {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 14px; border-radius: 8px;
  background: var(--red-soft); border: 1px solid #f3d7d7;
}
.hit .when { font-weight: 600; font-size: 15px; min-width: 190px; }
.hit .site { color: var(--ink-2); font-size: 14px; min-width: 130px; }
.hit .courts { color: var(--ink-2); font-size: 14px; flex: 1; }
.hit .n {
  background: var(--red); color: #fff; border-radius: 20px;
  padding: 1px 10px; font-size: 13px; white-space: nowrap;
}
.empty { color: var(--ink-3); font-size: 14px; padding: 6px 0; }

/* ---------- 场地网格 ---------- */
.gridbar { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin-bottom: 12px; }
select, input[type=text], input[type=number] {
  font: inherit; font-size: 14px; padding: 5px 9px;
  border: 1px solid var(--line); border-radius: 7px; background: #fff; color: var(--ink);
}
.tablewrap { overflow-x: auto; }
table.grid { border-collapse: separate; border-spacing: 2px; font-size: 13px; }
table.grid th {
  font-weight: 500; color: var(--ink-2); font-size: 12.5px;
  padding: 4px 6px; white-space: nowrap; text-align: center;
}
table.grid th.rowh { text-align: right; padding-right: 8px; color: var(--ink); font-size: 13px; }
table.grid th.watched { color: var(--red); font-weight: 600; }
table.grid td {
  width: 62px; height: 26px; border-radius: 4px; text-align: center;
  color: #fff; font-size: 12px; cursor: default;
}
td.s1 { background: var(--ok-bg); color: #14521a; font-weight: 600; }
td.s2 { background: var(--closed); }
td.s4 { background: var(--busy); }
td.sx { background: #f3f4f6; }
td.dim { opacity: .38; }

.legend { display: flex; gap: 16px; font-size: 13px; color: var(--ink-2); margin-top: 10px; align-items: center; }
.legend i { display: inline-block; width: 22px; height: 12px; border-radius: 3px; margin-right: 5px; vertical-align: -1px; }

/* ---------- 事件日志 ---------- */
.log { max-height: 420px; overflow-y: auto; }
.ev { display: flex; gap: 10px; padding: 5px 0; border-bottom: 1px dashed #eef0f4; font-size: 13.5px; }
.ev:last-child { border-bottom: none; }
.ev .t { color: var(--ink-3); white-space: nowrap; font-variant-numeric: tabular-nums; }
.ev .m { flex: 1; }
.ev.found .m { color: var(--red); font-weight: 600; }
.ev.error .m { color: #cf1322; }
.ev.poll .m { color: var(--ink-3); }
.ev.book .m { color: var(--warn); font-weight: 600; }

/* ---------- 折叠块 ---------- */
details.card > summary {
  cursor: pointer; font-size: 16px; font-weight: 600; list-style: none;
  display: flex; align-items: center; gap: 8px;
}
details.card > summary::-webkit-details-marker { display: none; }
details.card > summary::before {
  content: "▸"; color: var(--ink-3); font-size: 13px; transition: .15s;
}
details.card[open] > summary::before { transform: rotate(90deg); }
details.card > summary .sub { font-size: 13px; color: var(--ink-3); font-weight: 400; }
details.card > div { margin-top: 14px; }

/* ---------- 配置表单 ---------- */
.form-row { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; flex-wrap: wrap; }
.form-row > label { min-width: 130px; color: var(--ink-2); font-size: 14px; }
.hint { font-size: 13px; color: var(--ink-3); }
.chips { display: flex; gap: 6px; flex-wrap: wrap; }
.chip {
  border: 1px solid var(--line); border-radius: 20px; padding: 3px 12px;
  font-size: 13px; cursor: pointer; background: #fff; user-select: none;
}
.chip.on { background: var(--red); color: #fff; border-color: var(--red); }

/* tooltip */
.tip { border-bottom: 1px dotted var(--ink-3); cursor: help; }

.toast {
  position: fixed; right: 20px; bottom: 20px; z-index: 99;
  background: #262b36; color: #fff; padding: 10px 16px; border-radius: 8px;
  font-size: 14px; opacity: 0; transform: translateY(8px); transition: .2s;
  max-width: 460px;
}
.toast.show { opacity: 1; transform: none; }
.toast.err { background: #a8071a; }

.kv { display: grid; grid-template-columns: auto 1fr; gap: 4px 14px; font-size: 14px; }
.kv .k { color: var(--ink-3); }
.num { font-variant-numeric: tabular-nums; }

/* 自动下单：会花钱，视觉上要跟普通设置区分开 */
details.card.danger { border-color: #f0c9c9; }
details.card.danger > summary { color: var(--red); }
details.card.danger > summary .sub { color: var(--ink-3); }
details.card.danger.armed { border-color: var(--red); box-shadow: 0 0 0 3px rgba(148, 7, 10, .07); }

.warnbox {
  background: #fff8e6; border: 1px solid #ffe0a3; border-radius: 8px;
  padding: 10px 14px; font-size: 14px; margin: 0 0 14px; line-height: 1.75;
}
.chip.mode-real.on { background: #cf1322; border-color: #cf1322; }
.chip.mode-dry.on { background: var(--warn); border-color: var(--warn); }