:root {
  --bg: #f4f5f7; --card: #fff; --text: #1f2329; --muted: #6b7280; --line: #e5e7eb;
  --primary: #2563eb; --primary-weak: #eff4ff; --danger: #dc2626; --ok: #16a34a; --warn: #ea580c;
  --p3: #dc2626; --p2: #f59e0b; --p1: #cbd5e1;
}
* { box-sizing: border-box; }
body { margin: 0; font: 15px/1.5 -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif; background: var(--bg); color: var(--text); }
header { position: sticky; top: 0; z-index: 5; background: var(--card); border-bottom: 1px solid var(--line); padding: 10px 16px; }
.head-row { display: flex; align-items: center; gap: 10px; max-width: 900px; margin: 0 auto; }
header h1 { font-size: 17px; margin: 0; }
.spacer { flex: 1; }
.depts { display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; max-width: 900px; margin: 8px auto 0; }
.dept { display: flex; flex-direction: column; align-items: flex-start; padding: 6px 10px; border-radius: 8px; background: #f8fafc; border: 1px solid var(--line); text-align: left; }
.dept span { font-size: 12px; color: var(--muted); }
.dept b { font-size: 20px; line-height: 1.2; }
.dept em { font-style: normal; font-size: 11px; color: var(--p3); font-weight: 600; }
.dept.active { border-color: var(--primary); background: var(--primary-weak); }
.dept.active span { color: var(--primary); }
.owner { font-size: 12px; padding: 1px 8px; border-radius: 10px; background: #e0e7ff; color: #3730a3; font-weight: 600; }
.stats { display: flex; gap: 14px; font-size: 13px; color: var(--muted); max-width: 900px; margin: 6px auto 0; flex-wrap: wrap; }
.stats b { color: var(--text); font-size: 15px; }
.stats .urgent b { color: var(--p3); }
main { max-width: 900px; margin: 0 auto; padding: 12px 16px 80px; }
button, .btn { font: inherit; font-size: 14px; padding: 7px 14px; border-radius: 8px; border: 1px solid var(--line); background: var(--card); color: var(--text); cursor: pointer; }
button.primary { background: var(--primary); border-color: var(--primary); color: #fff; }
button.ok { background: var(--ok); border-color: var(--ok); color: #fff; }
button.ghost { border-color: transparent; background: none; color: var(--muted); padding: 7px 8px; }
button:disabled { opacity: .5; }
input, select, textarea { font: inherit; padding: 8px 10px; border: 1px solid var(--line); border-radius: 8px; background: #fff; color: var(--text); width: 100%; }
textarea { min-height: 80px; resize: vertical; }
.toolbar { display: flex; gap: 8px; align-items: center; margin-bottom: 10px; flex-wrap: wrap; }
.tabs { display: flex; gap: 4px; background: #e9ebef; padding: 3px; border-radius: 9px; }
.tabs button { border: none; background: none; padding: 5px 12px; border-radius: 7px; color: var(--muted); }
.tabs button.active { background: #fff; color: var(--text); font-weight: 600; box-shadow: 0 1px 2px rgba(0,0,0,.08); }
.search { flex: 1; min-width: 140px; }
.chips { display: flex; gap: 6px; overflow-x: auto; padding-bottom: 4px; margin-bottom: 10px; scrollbar-width: none; }
.chip { white-space: nowrap; font-size: 13px; padding: 4px 10px; border-radius: 14px; border: 1px solid var(--line); background: #fff; color: var(--muted); }
.chip.active { border-color: var(--primary); color: var(--primary); background: var(--primary-weak); }

.issue { background: var(--card); border-radius: 10px; border: 1px solid var(--line); border-left: 5px solid var(--p1); padding: 10px 12px; margin-bottom: 8px; cursor: pointer; }
.issue.p3 { border-left-color: var(--p3); }
.issue.p2 { border-left-color: var(--p2); }
.issue.done { opacity: .65; border-left-color: var(--ok); }
.issue-top { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.order { font-size: 17px; font-weight: 700; letter-spacing: .3px; }
.tag { font-size: 12px; padding: 1px 8px; border-radius: 10px; background: #f1f5f9; color: #334155; }
.prio { font-size: 12px; padding: 1px 8px; border-radius: 10px; font-weight: 600; }
.prio.p3 { background: #fee2e2; color: var(--p3); }
.prio.p2 { background: #fef3c7; color: #b45309; }
.prio.p1 { background: #f1f5f9; color: var(--muted); }
.age { font-size: 12px; color: var(--muted); }
.age.old { color: var(--danger); font-weight: 600; }
.mention { font-size: 12px; color: var(--warn); }
.issue-text { margin-top: 4px; }
.last-note { margin-top: 4px; font-size: 13px; color: var(--muted); }
.last-note b { color: #475569; font-weight: 500; }
.issue-actions { display: flex; gap: 6px; margin-top: 8px; }
.done-by { font-size: 12px; color: var(--ok); }
.empty { text-align: center; color: var(--muted); padding: 40px 0; }

dialog { border: none; border-radius: 12px; padding: 0; width: min(560px, calc(100vw - 24px)); max-height: calc(100vh - 40px); }
dialog::backdrop { background: rgba(15,23,42,.45); }
.dlg-head { display: flex; align-items: center; padding: 14px 16px; border-bottom: 1px solid var(--line); position: sticky; top: 0; background: #fff; }
.dlg-head h3 { margin: 0; font-size: 16px; flex: 1; }
.dlg-body { padding: 14px 16px; }
.dlg-foot { display: flex; gap: 8px; justify-content: flex-end; padding: 12px 16px; border-top: 1px solid var(--line); position: sticky; bottom: 0; background: #fff; }
.field { margin-bottom: 12px; }
.field label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 4px; }
.seg { display: flex; gap: 6px; }
.seg button { flex: 1; }
.seg button.on.p3 { background: var(--p3); border-color: var(--p3); color: #fff; }
.seg button.on.p2 { background: var(--p2); border-color: var(--p2); color: #fff; }
.seg button.on.p1 { background: #64748b; border-color: #64748b; color: #fff; }
.timeline { list-style: none; margin: 0; padding: 0; }
.timeline li { padding: 8px 0; border-bottom: 1px dashed var(--line); font-size: 14px; }
.timeline li.event { color: var(--muted); font-size: 13px; }
.timeline .who { font-weight: 600; color: var(--text); }
.timeline .when { font-size: 12px; color: var(--muted); margin-left: 6px; }
.preview-group { margin-bottom: 8px; font-size: 14px; }
.preview-group b { display: inline-block; min-width: 110px; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.fab { position: fixed; right: 18px; bottom: 22px; border-radius: 28px; padding: 12px 20px; box-shadow: 0 4px 14px rgba(37,99,235,.35); font-weight: 600; }
#toast { position: fixed; top: 70px; left: 50%; transform: translateX(-50%); background: #111827; color: #fff; padding: 8px 16px; border-radius: 8px; display: none; z-index: 99; font-size: 14px; }
.login { max-width: 360px; margin: 14vh auto; background: #fff; padding: 24px; border-radius: 12px; border: 1px solid var(--line); }
.login input { margin-bottom: 12px; padding: 11px; }
.login button { width: 100%; padding: 11px; }
table.users { width: 100%; border-collapse: collapse; font-size: 14px; }
table.users td, table.users th { padding: 6px 4px; border-bottom: 1px solid var(--line); text-align: left; }