:root {
  --bg: #0f1115;
  --bg-2: #171a21;
  --bg-3: #1f2430;
  --fg: #e7ebf0;
  --fg-dim: #9aa4b2;
  --line: #2a3140;
  --accent: #3b82f6;
  --accent-2: #22c55e;
  --warn: #f59e0b;
  --err: #ef4444;
  --radius: 12px;
  --maxw: 920px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--fg);
  font: 15px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  -webkit-text-size-adjust: 100%;
}

/* 顶栏 */
.app-head { position: sticky; top: 0; z-index: 10; }
.app-bar {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 14px;
  background: var(--bg-2);
  border-bottom: 1px solid var(--line);
  padding-top: calc(10px + env(safe-area-inset-top));
}
.brand { font-weight: 700; white-space: nowrap; }
.app-bar nav { display: flex; gap: 4px; flex: 1; overflow-x: auto; }
.app-bar nav a {
  color: var(--fg-dim); text-decoration: none;
  padding: 6px 10px; border-radius: 999px; white-space: nowrap;
  font-size: 14px;
}
.app-bar nav a.active { background: var(--accent); color: #fff; }
.badge {
  font-size: 12px; color: var(--fg-dim);
  border: 1px solid var(--line); border-radius: 999px;
  padding: 3px 9px; white-space: nowrap;
}
.badge.ok { color: var(--accent-2); border-color: var(--accent-2); }

/* 全局顶栏: 时钟 + 模拟控制 + 时刻表选择(所有页面共用) */
.topbar {
  display: flex; align-items: center; gap: 18px; flex-wrap: wrap;
  padding: 10px 16px;
  background: var(--bg-3);
  border-bottom: 1px solid var(--line);
}
.topbar-clock { display: flex; align-items: baseline; gap: 10px; }
.topbar-clock .clock-date { font-size: 14px; color: var(--fg-dim); white-space: nowrap; }
.topbar-clock .clock-time {
  font: 24px/1 ui-monospace, SFMono-Regular, Menlo, monospace;
  color: var(--accent-2); font-variant-numeric: tabular-nums; white-space: nowrap;
}
.topbar-sim { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.topbar-doc { display: flex; align-items: center; gap: 8px; margin-left: auto; }

.badge.err { color: var(--err); border-color: var(--err); }

/* 内容 */
main { max-width: var(--maxw); margin: 0 auto; padding: 16px 14px 48px; }
.card {
  background: var(--bg-2); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 16px;
}
.card h2 { margin: 0 0 10px; font-size: 18px; }
.hint { color: var(--fg-dim); font-size: 13px; margin: 6px 0; }

input[type="file"] {
  display: block; width: 100%; margin: 12px 0;
  color: var(--fg); font-size: 14px;
}

.summary {
  display: flex; flex-wrap: wrap; gap: 8px 18px;
  background: var(--bg-3); border: 1px solid var(--line);
  border-radius: 10px; padding: 10px 12px; margin: 12px 0;
  font-size: 13px; color: var(--fg-dim);
}
.summary span { color: var(--fg); }

.tbl { width: 100%; border-collapse: collapse; margin-top: 8px; font-size: 14px; }
.tbl th, .tbl td {
  text-align: left; padding: 8px 10px;
  border-bottom: 1px solid var(--line);
}
.tbl th { color: var(--fg-dim); font-weight: 600; }
.tbl tbody tr:hover { background: var(--bg-3); }

.err { color: var(--err); }

/* Toast */
.toast {
  position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%) translateY(20px);
  background: #000; color: #fff; padding: 10px 16px; border-radius: 999px;
  opacity: 0; pointer-events: none; transition: .25s; z-index: 50;
  font-size: 14px; max-width: 90vw;
}
.toast.show { opacity: .95; transform: translateX(-50%) translateY(0); }

/* 桌面适配 */
@media (min-width: 760px) {
  .app-bar { gap: 20px; padding: 12px 24px; }
  .app-bar nav a { padding: 8px 14px; font-size: 15px; }
  main { padding: 24px 20px 64px; }
  .card { padding: 22px; }
}

/* 定位页 */
.row { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; margin: 10px 0; }
.row input[type="file"] { flex: 1; min-width: 200px; margin: 0; }
.tc-row { flex-wrap: nowrap; }
.tc-row .checi { flex: 1; min-width: 0; }
.tc-row .buf { flex: 0 0 auto; }
.tc-row .btn { flex: 0 0 auto; white-space: nowrap; }
.tc-buf-hint { margin: -2px 0 8px; }
@media (max-width: 640px) { .tc-row { flex-wrap: wrap; } .tc-row .checi { min-width: 140px; } }
.checi { flex: 1; min-width: 180px; padding: 10px 12px; font-size: 16px; letter-spacing: 1px;
  background: var(--bg-3); color: var(--fg); border: 1px solid var(--line); border-radius: 10px; }
.btn { padding: 10px 18px; font-size: 15px; background: var(--accent); color: #fff; border: none;
  border-radius: 10px; cursor: pointer; }
.btn:hover { filter: brightness(1.08); }
.btn.ghost { background: transparent; color: var(--accent); border: 1px solid var(--accent); padding: 8px 14px; font-size: 14px; }
.btn.ghost:hover { background: var(--accent); color: #fff; }
.btn.small { padding: 6px 14px; font-size: 13px; }
.sample-bar { background: var(--bg-3); border: 1px solid var(--line); border-radius: 10px; padding: 8px 12px; }
.sample-bar .dim { margin-right: 4px; }
select { padding: 10px 12px; background: var(--bg-3); color: var(--fg); border: 1px solid var(--line); border-radius: 10px; }
.doc-sel { min-width: 220px; font-size: 15px; font-weight: 600; }
.sel-lbl { white-space: nowrap; }

.clockbar { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin: 12px 0;
  background: var(--bg-3); border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; }
.clock { font: 22px/1 ui-monospace, SFMono-Regular, Menlo, monospace; color: var(--accent-2); font-variant-numeric: tabular-nums; }
.clk-mode { font-size: 12px; color: var(--fg-dim); border: 1px solid var(--line); border-radius: 999px; padding: 2px 8px; }
.sw { font-size: 13px; color: var(--fg-dim); display: flex; align-items: center; gap: 4px; }
.clockbar input[type="time"] { background: var(--bg); color: var(--fg); border: 1px solid var(--line); border-radius: 8px; padding: 6px 8px; }
.clockbar .sim-rate { background: var(--bg); color: var(--fg); border: 1px solid var(--line); border-radius: 8px; padding: 6px 8px; font-size: 13px; }

/* 定位结果卡片式布局 */
.loc-grid { display: grid; gap: 10px; margin: 14px 0; }
.loc-r1 { grid-template-columns: repeat(5, minmax(0, 1fr)); align-items: stretch; }
.loc-r2 { grid-template-columns: 1.4fr 1fr; }
.loc-r3 { grid-template-columns: 1fr 1fr; }
.loc-r4 { grid-template-columns: 1fr 1fr; }
.loc-r5 { grid-template-columns: 1fr; }
.crew-wrap { display: flex; flex-wrap: wrap; gap: 6px 10px; align-items: center; }
.crew-chip { display: inline-flex; align-items: center; gap: 5px; }
.crew-chain { font-size: 16px; font-weight: 600; line-height: 1.6; letter-spacing: .3px; word-break: break-word; }
.rem-line { font-size: 14px; line-height: 1.55; padding: 1px 0; word-break: break-word; }
.rem-lbl { display: inline-block; font-size: 12px; color: #fff; background: #6b7280; border-radius: 4px; padding: 1px 6px; margin-right: 6px; vertical-align: middle; }

.card-item {
  background: var(--bg-3);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px 12px;
  display: flex; flex-direction: column; gap: 6px;
  min-height: 58px; justify-content: center;
}
.card-item .k { font-size: 12px; color: var(--fg-dim); letter-spacing: .5px; }
.card-item .v { font-size: 16px; font-weight: 600; color: var(--fg); line-height: 1.3; word-break: break-word; }
.card-item .v.big { font-size: 22px; font-weight: 700; letter-spacing: .5px; }
.card-item .sub { font-size: 12px; color: var(--fg-dim); margin-top: 1px; }
.card-item.right { text-align: right; align-items: flex-end; }
.card-item .v.status { font-size: 16px; }
.card-item .v.status.run { color: var(--warn); }
.card-item .v.status.stop { color: var(--accent-2); }
.card-item .v.status.idle { color: var(--fg-dim); }
.span2 { grid-column: 1 / -1; }
.card-item .v.big-sec { font-size: 19px; font-weight: 700; letter-spacing: .3px; word-break: break-word; }

/* 时刻表标注: 转换轨(车厂出入, 棕) / 接口站(蓝) */
.tag.depot { background: #9a6400; color: #fff; }
.tag.iface { background: #2a6f97; color: #fff; }
.legend { font-size: 12px; color: var(--fg-dim); margin: 4px 0 6px; display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.legend .tag { font-size: 12px; }

@media (max-width: 600px) {
  .loc-r1 { grid-template-columns: 1fr 1fr; }
  .loc-r2, .loc-r3, .loc-r4 { grid-template-columns: 1fr; }
}

.tag { display: inline-block; padding: 2px 8px; border-radius: 999px; background: var(--accent); color: #fff; font-size: 13px; }
.tag.pick { background: var(--warn); color: #1a1a1a; }
.dim { color: var(--fg-dim); font-size: 12px; }

h3 { margin: 16px 0 8px; font-size: 15px; color: var(--fg); }
.crew-list { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.crew-list li { display: flex; align-items: center; gap: 6px; background: var(--bg-3); border: 1px solid var(--line); border-radius: 8px; padding: 6px 10px; font-size: 13px; }

.tbl td.pass, .tbl th.pass { color: var(--fg-dim); }

/* 时刻表: 按运行方向排序 + 高亮最接近当前时间的行 */
.tbl tbody tr.hl { background: rgba(59,130,246,0.20); box-shadow: inset 3px 0 0 var(--accent); }
.tbl tbody tr.hl:hover { background: rgba(59,130,246,0.28); }
.now-mark { display: inline-block; margin-left: 6px; font-size: 11px; color: #0f1115; background: var(--accent);
  border-radius: 999px; padding: 1px 7px; font-weight: 700; vertical-align: middle; white-space: nowrap; }
.now-mark.inline { margin-left: 0; }

/* 添乘页 */
.status-bar { display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
  background: rgba(34,197,94,0.12); border: 1px solid rgba(34,197,94,0.4);
  color: var(--fg); border-radius: 10px; padding: 8px 12px; margin: 14px 0; font-size: 14px; }
.status-bar .sb-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent-2); flex: none; }
.status-bar .sb-sep { color: var(--fg-dim); }
.status-bar b { color: var(--accent-2); }

.plan-card { background: var(--bg-3); border: 1px solid var(--line); border-radius: 10px;
  padding: 12px 14px; margin: 10px 0; }
.plan-card.plan-rec { border-left: 3px solid #D85A30; }
.plan-card.plan-wait { border-left: 3px solid var(--line); }
.plan-head { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; font-size: 15px; }
.plan-ico { font-size: 16px; }
.rec-badge { margin-left: auto; font-size: 12px; color: #1a1a1a; background: var(--warn);
  border-radius: 999px; padding: 2px 9px; font-weight: 600; }
.step-line { display: flex; align-items: center; gap: 8px; font-size: 14px; line-height: 1.7; }
.step-line .ico { width: 18px; text-align: center; flex: none; }
.step-line.danger { color: var(--err); }
.step-line.notify { background: rgba(59,130,246,0.08); border-left: 2px solid var(--accent); padding: 4px 8px; border-radius: 6px; margin: 4px 0; }
.beiche-remind { border-left: 3px solid var(--accent); }
.cal-status { font-size: 12px; text-align: center; padding: 6px 10px; border-radius: 8px; margin: 10px 0; }
.cal-status.ok { background: rgba(22,163,74,.12); color: #15803d; }
.cal-status.warn { background: rgba(220,38,38,.12); color: #b91c1c; }
.cal-status:empty { display: none; }
.beiche-remind .num { flex: none; width: 18px; height: 18px; line-height: 18px; text-align: center;
  background: var(--accent); color: var(--bg-1); border-radius: 999px; font-size: 12px; font-weight: 700; margin-top: 3px; }
.impossible { background: rgba(239,68,68,0.12); border: 1px solid rgba(239,68,68,0.45);
  color: var(--err); border-radius: 10px; padding: 14px 16px; margin: 12px 0; font-size: 15px; text-align: center; }
.seq-table { width: 100%; border-collapse: collapse; margin-top: 6px; font-size: 14px; }
.seq-table th, .seq-table td { text-align: left; padding: 6px 10px; border-bottom: 1px solid var(--line); }
.seq-table th { color: var(--fg-dim); font-weight: 600; }

/* 天气监测组件容器 */
metro-weather-widget { display: block; width: 100%; max-width: 440px; margin: 4px auto 0; }

.seq-table td { font-variant-numeric: tabular-nums; }

.buf { width: 92px; padding: 10px 12px; font-size: 16px; background: var(--bg-3); color: var(--fg);
  border: 1px solid var(--line); border-radius: 10px; }
.buf-hint { font-size: 12px; color: var(--fg-dim); }