:root {
  color-scheme: light;
  --paper: #eef1f4;
  --sheet: #ffffff;
  --ink: #1b2430;
  --muted: #5d6b7a;
  --line: #d5dce4;
  --zto: #1f5fbf;
  --zto-soft: #e6eefb;
  --alarm: #c8261e;
  --alarm-soft: #fdecea;
  --warn: #a8670a;
  --warn-soft: #fdf3e1;
  --ok: #1d7a46;
  --digits: "Bahnschrift", "DIN Alternate", "Segoe UI", sans-serif;
  --text: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-padding-top: 120px; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 15px/1.55 var(--text); }
button { font: inherit; cursor: pointer; }
:focus-visible { outline: 3px solid var(--zto); outline-offset: 2px; }

/* ---------- 顶栏 ---------- */
.topbar {
  position: sticky; top: 0; z-index: 10;
  display: flex; flex-wrap: wrap; align-items: center; gap: 10px 18px;
  padding: 10px 20px; background: var(--sheet); border-bottom: 3px solid var(--zto);
}
.brand { font-size: 17px; font-weight: 700; letter-spacing: .02em; margin-right: auto; }
.brand small { font-weight: 400; color: var(--muted); margin-left: 8px; font-size: 13px; }
.state { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; color: var(--muted); }
.state::before { content: ""; width: 9px; height: 9px; border-radius: 50%; background: var(--muted); }
.state[data-phase="healthy"]::before { background: var(--ok); }
.state[data-phase="offline"]::before { background: var(--warn); }
.state[data-phase="login_required"]::before,
.state[data-phase="error"]::before,
.state[data-phase="browser_error"]::before { background: var(--alarm); }
.tick { font-family: var(--digits); font-variant-numeric: tabular-nums; color: var(--muted); font-size: 13px; }

.seg { display: inline-flex; border: 1px solid var(--line); border-radius: 6px; overflow: hidden; }
.seg button { border: 0; background: none; padding: 5px 12px; color: var(--muted); }
.seg button + button { border-left: 1px solid var(--line); }
.seg button[aria-pressed="true"] { background: var(--zto); color: #fff; }
.seg b { font-family: var(--digits); font-weight: 600; margin-left: 4px; }

.btn { border: 1px solid var(--line); background: var(--sheet); color: var(--ink); border-radius: 6px; padding: 5px 12px; }
.btn:hover { border-color: var(--zto); color: var(--zto); }
.btn.primary { background: var(--zto); border-color: var(--zto); color: #fff; }
.btn[disabled] { opacity: .5; cursor: default; }
.btn.sound-on { color: var(--ok); border-color: var(--ok); }
.btn.alarm { background: var(--alarm); border-color: var(--alarm); color: #fff; font-weight: 600; }
.btn.alarm:hover { color: #fff; }

#login-dialog { width: min(620px, 94vw); padding: 0; border: 0; border-radius: 10px; box-shadow: 0 12px 40px rgba(20, 30, 50, .25); }
#login-dialog::backdrop { background: rgba(20, 30, 45, .45); }
.dialog-head { display: flex; align-items: center; justify-content: space-between; padding: 10px 14px; border-bottom: 1px solid var(--line); }
.dialog-head h2 { margin: 0; font-size: 16px; }
#login-frame { display: block; width: 100%; height: min(620px, 78vh); border: 0; }

.banner { display: none; padding: 10px 20px; background: var(--alarm); color: #fff; font-weight: 600; }
.banner a { color: #fff; margin-left: 12px; }
.banner.show { display: block; }
.banner.soft { background: var(--warn-soft); color: var(--warn); font-weight: 400; }
.banner.soft a { color: var(--warn); }

/* ---------- 布局 ---------- */
.layout { display: grid; grid-template-columns: 190px minmax(0, 1fr); gap: 20px; max-width: 1180px; margin: 0 auto; padding: 18px 20px 60px; }
.toc { position: sticky; top: 76px; align-self: start; display: flex; flex-direction: column; gap: 2px; font-size: 14px; }
.toc a { display: flex; justify-content: space-between; padding: 5px 10px; border-radius: 5px; color: var(--muted); text-decoration: none; }
.toc a:hover { background: var(--sheet); color: var(--ink); }
.toc a.has { color: var(--ink); }
.toc a.alarm.has { color: var(--alarm); font-weight: 600; }
.toc span { font-family: var(--digits); }
.toc hr { border: 0; border-top: 1px solid var(--line); margin: 6px 0; width: 100%; }

main { display: flex; flex-direction: column; gap: 16px; min-width: 0; }

/* ---------- 违规置顶区 ---------- */
.violation { background: var(--sheet); border: 2px solid var(--alarm); border-radius: 8px; overflow: hidden; }
.violation > header { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 14px; padding: 12px 16px; background: var(--alarm-soft); }
.violation h2 { margin: 0; font-size: 17px; color: var(--alarm); }
.script { margin-left: auto; display: flex; align-items: center; gap: 8px; font-size: 14px; }
.script q { quotes: "“" "”"; font-weight: 600; }
.vlist { list-style: none; margin: 0; padding: 0; }
.vrow { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 4px 16px; padding: 12px 16px; border-top: 1px solid var(--line); }
.vrow .wb { font-family: var(--digits); font-size: 18px; letter-spacing: .03em; }
.vrow .meta { color: var(--muted); font-size: 13px; }
.clock { grid-row: span 2; text-align: right; align-self: center; }
.clock .label { display: block; font-size: 12px; color: var(--muted); }
.clock .digits { font-family: var(--digits); font-variant-numeric: tabular-nums; font-size: 30px; line-height: 1.1; font-weight: 600; }
.clock[data-level="warn"] .digits { color: var(--warn); }
.clock[data-level="late"] .digits { color: var(--alarm); }
.vrow.fresh { animation: flash 1.2s ease-out 3; }
@keyframes flash { 0% { background: var(--alarm-soft); } 100% { background: transparent; } }

.vrow .owner { display: inline-block; min-width: 3.5em; margin-right: 10px; padding: 1px 8px; border-radius: 4px; background: var(--alarm); color: #fff; font-size: 14px; font-weight: 600; text-align: center; }

/* ---------- 小件员分组 ---------- */
.couriers { display: flex; flex-direction: column; gap: 16px; }
.courier { background: var(--sheet); border: 1px solid var(--line); border-left: 5px solid var(--zto); border-radius: 8px; overflow: hidden; }
.courier > header { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 12px; padding: 12px 16px; background: var(--zto-soft); }
.courier h3 { margin: 0; font-size: 19px; }
.courier > header .btn { margin-left: auto; }
.v-badge { font-size: 12px; color: var(--alarm); border: 1px solid var(--alarm); border-radius: 4px; padding: 0 6px; }

.cat { border-top: 1px solid var(--line); }
.cat > header, .cat > summary { display: flex; align-items: center; gap: 10px; padding: 8px 16px; }
.cat > summary { cursor: pointer; list-style: none; }
.cat > summary::-webkit-details-marker { display: none; }
.cat > summary::before { content: "▸"; color: var(--muted); transition: transform .15s; }
.cat[open] > summary::before { transform: rotate(90deg); }
.cat h4 { margin: 0; font-size: 15px; }
.count { font-family: var(--digits); color: var(--zto); font-weight: 600; }
.cat .btn { margin-left: auto; padding: 3px 10px; font-size: 13px; }
.part-title { display: flex; gap: 6px; align-items: baseline; padding: 2px 16px 0 32px; font-size: 13px; color: var(--muted); }
.part-title .count { font-size: 12px; }
.lines { list-style: none; margin: 0; padding: 0 16px 10px 32px; }
.lines li { display: flex; align-items: baseline; gap: 10px; padding: 6px 0; border-top: 1px dashed var(--line); }
.lines li:first-child { border-top: 0; }
.lines .txt { font-family: var(--digits), var(--text); word-break: break-all; }
.tag { flex: none; font-size: 12px; color: var(--muted); }
.new { flex: none; font-size: 12px; color: #fff; background: var(--zto); border-radius: 3px; padding: 0 5px; }
.empty-note { color: var(--muted); font-size: 13px; padding: 10px 16px 12px; margin: 0; }

.audit { background: var(--sheet); border: 1px dashed var(--line); border-radius: 8px; font-size: 13px; color: var(--muted); }
.audit > summary { cursor: pointer; padding: 10px 16px; }
.audit .lines li { flex-wrap: wrap; }
.audit .reason { width: 100%; color: var(--warn); }
.warn-text { color: var(--warn); }

.toc a.person { font-weight: 600; color: var(--zto); }
.toc a.sub { padding-left: 22px; font-size: 13px; }

.toast { position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%); background: var(--ink); color: #fff; padding: 8px 16px; border-radius: 6px; font-size: 14px; opacity: 0; pointer-events: none; transition: opacity .2s; }
.toast.show { opacity: 1; }

@media (max-width: 820px) {
  .layout { grid-template-columns: 1fr; padding: 12px; }
  .toc { position: static; flex-direction: row; flex-wrap: wrap; }
  .toc hr, .toc a.sub { display: none; }
  .script { margin-left: 0; }
  .vrow { grid-template-columns: 1fr; }
  .clock { grid-row: auto; text-align: left; }
}
@media (prefers-reduced-motion: reduce) {
  .vrow.fresh { animation: none; background: var(--alarm-soft); }
  .cat > summary::before, .toast { transition: none; }
}