:root {
  --red: #c7000b;
  --red-soft: #fdecec;
  --ink: #1f2329;
  --ink-2: #51565d;
  --ink-3: #86909c;
  --line: #e5e6eb;
  --bg: #f2f3f5;
  --card: #ffffff;
  --ok: #2ba471;
  --warn: #c7000b;
  --bad: #d54941;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", system-ui, sans-serif;
  font-size: 14px;
  line-height: 1.6;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 56px;
  padding: 0 24px;
  background: var(--card);
  border-bottom: 1px solid var(--line);
  border-top: 3px solid var(--red);
}

.brand { display: flex; align-items: center; gap: 10px; }

.brand-mark {
  width: 12px; height: 12px;
  background: var(--red);
  display: inline-block;
}

.brand-text { font-size: 16px; font-weight: 600; letter-spacing: 0.5px; }
.brand-sub { font-size: 12px; color: var(--ink-3); }

.account { display: flex; align-items: center; gap: 12px; }

.source-badge {
  font-size: 12px; color: var(--ink-3);
  border: 1px solid var(--line);
  padding: 1px 8px;
}

.user-chip { font-size: 13px; color: var(--ink-2); }
.logout { color: var(--red); font-size: 13px; text-decoration: none; }

.layout {
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 16px;
  padding: 16px 24px 32px;
  align-items: start;
}

.sidebar {
  background: var(--card);
  border: 1px solid var(--line);
  padding: 16px;
  position: sticky;
  top: 16px;
  max-height: calc(100vh - 100px);
  display: flex;
  flex-direction: column;
}

.filters { display: flex; gap: 8px; flex-wrap: wrap; }

.chip {
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink-2);
  font: inherit;
  font-size: 12px;
  padding: 3px 12px;
  cursor: pointer;
}

.chip.active { border-color: var(--red); color: var(--red); background: var(--red-soft); }

.search { margin: 12px 0 8px; }

.search input {
  width: 100%;
  border: 1px solid var(--line);
  padding: 7px 10px;
  font: inherit;
  color: var(--ink);
  outline: none;
}

.search input:focus { border-color: var(--red); }

.list-meta { font-size: 12px; color: var(--ink-3); margin-bottom: 8px; }

.list { list-style: none; margin: 0; padding: 0; overflow: auto; }

.item {
  border-top: 1px solid var(--line);
  padding: 12px 4px;
  cursor: pointer;
}

.item:hover { background: #fafafa; }
.item.active { background: var(--red-soft); border-left: 3px solid var(--red); padding-left: 9px; }

.item-title { font-size: 14px; color: var(--ink); margin-bottom: 6px; word-break: break-all; }
.item-sub { font-size: 12px; color: var(--ink-3); display: flex; gap: 10px; flex-wrap: wrap; }

.badge {
  display: inline-block;
  font-size: 12px;
  line-height: 18px;
  padding: 0 8px;
  border: 1px solid var(--line);
  color: var(--ink-2);
  white-space: nowrap;
}

.badge.open { color: var(--red); border-color: #f3c6c6; background: var(--red-soft); }
.badge.merged { color: var(--ok); border-color: #bce3cf; background: #f0f9f4; }
.badge.closed { color: var(--ink-3); }

.detail {
  background: var(--card);
  border: 1px solid var(--line);
  padding: 24px;
  min-height: 420px;
}

.empty { color: var(--ink-3); padding: 56px 0; text-align: center; }
.empty-title { font-size: 15px; color: var(--ink-2); margin-bottom: 8px; }
.empty-hint { font-size: 13px; max-width: 460px; margin: 0 auto; }

.detail-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; }
.detail-title { font-size: 18px; font-weight: 600; margin: 0 0 6px; }
.detail-no { font-size: 13px; color: var(--ink-3); }

.meta-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin: 20px 0 8px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 16px 0;
}

.meta-cell .k { font-size: 12px; color: var(--ink-3); }
.meta-cell .v { font-size: 14px; color: var(--ink); word-break: break-all; }

.section-title {
  font-size: 14px;
  font-weight: 600;
  margin: 24px 0 16px;
  padding-left: 10px;
  border-left: 3px solid var(--red);
}

.stepper { list-style: none; margin: 0; padding: 0; }

.stage { display: flex; gap: 12px; }

.rail { width: 14px; display: flex; flex-direction: column; align-items: center; padding-top: 6px; }

.dot { width: 10px; height: 10px; border-radius: 50%; background: #c9cdd4; flex: none; }
.dot.done { background: var(--ok); }
.dot.current { background: var(--red); }
.dot.rejected { background: var(--bad); }

.connector { flex: 1; width: 2px; background: var(--line); min-height: 26px; }

.stage-body { padding-bottom: 20px; flex: 1; }
.stage-name { font-size: 14px; color: var(--ink); }
.stage-name .tag { font-size: 12px; margin-left: 8px; }
.stage-meta { font-size: 12px; color: var(--ink-3); margin-top: 2px; }
.stage-comment {
  font-size: 13px;
  color: var(--ink-2);
  background: #fafafa;
  border-left: 2px solid var(--line);
  padding: 6px 10px;
  margin-top: 8px;
  word-break: break-word;
}

.tag.done { color: var(--ok); }
.tag.current { color: var(--red); }
.tag.pending { color: var(--ink-3); }
.tag.rejected { color: var(--bad); }

.detail-link { font-size: 12px; color: var(--ink-3); margin-top: 24px; }
.detail-link a { color: var(--red); text-decoration: none; }

.error-box { border: 1px solid #f3c6c6; background: var(--red-soft); color: var(--red); padding: 12px 16px; font-size: 13px; }

.login-body {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: var(--bg);
  padding: 24px;
}

.login-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-top: 3px solid var(--red);
  padding: 40px 44px;
  width: 420px;
  max-width: 100%;
}

.brand-mark.big { width: 28px; height: 28px; margin-bottom: 20px; }
.login-card h1 { font-size: 22px; margin: 0 0 8px; }
.login-sub { font-size: 13px; color: var(--ink-2); margin: 0 0 20px; }
.login-note { font-size: 13px; color: var(--ink-3); margin: 0 0 24px; }

.login-btn {
  display: block;
  text-align: center;
  background: var(--red);
  color: #fff;
  text-decoration: none;
  padding: 11px 0;
  font-size: 14px;
}

.login-btn:hover { background: #a90009; }

.login-foot { font-size: 12px; color: var(--ink-3); margin: 20px 0 0; }

@media (max-width: 900px) {
  .layout { grid-template-columns: 1fr; }
  .sidebar { position: static; max-height: none; }
  .meta-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

/* ===== 变更查看与行级评审批注 ===== */
.dtabs { display: flex; gap: 4px; border-bottom: 1px solid var(--line); margin: 14px 0 0; }
.dtab { border: 0; background: none; padding: 9px 14px; font: inherit; color: var(--ink-2); cursor: pointer; border-bottom: 2px solid transparent; }
.dtab.active { color: var(--red); border-bottom-color: var(--red); font-weight: 600; }
.diffpane { padding-top: 12px; }
.dhead { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; padding: 8px 10px; background: var(--card); border: 1px solid var(--line); }
.dhead .dt { font-weight: 600; }
.dhead .dmeta { color: var(--ink-3); font-size: 12px; }
.dhead .dstate { margin-left: auto; font-size: 12px; padding: 1px 8px; border: 1px solid var(--line); color: var(--ink-2); }
.dhead .dstate.open { color: var(--red); border-color: var(--red); }
.dtabs2 { display: flex; align-items: center; gap: 4px; flex-wrap: wrap; margin: 8px 0; }
.vtab, .mtab { border: 1px solid var(--line); background: #fff; font: inherit; font-size: 12.5px; padding: 4px 10px; cursor: pointer; color: var(--ink-2); }
.vtab.on, .mtab.on { border-color: var(--red); color: var(--red); }
.rsub2 { display: flex; gap: 4px; margin-left: 8px; }
.mtab { font-size: 12px; padding: 3px 9px; }
.dbody { display: grid; grid-template-columns: 224px minmax(0, 1fr) 264px; gap: 12px; align-items: start; }
.dside, .dmain, .drail { background: var(--card); border: 1px solid var(--line); }
.dside-head, .drail-head { padding: 8px; border-bottom: 1px solid var(--line); display: flex; gap: 8px; align-items: center; font-size: 12.5px; color: var(--ink-2); }
.dside-head input { width: 100%; border: 1px solid var(--line); padding: 6px 8px; font: inherit; font-size: 13px; min-width: 0; }
.ftree { max-height: 520px; overflow: auto; }
.fitem { display: grid; grid-template-columns: 18px minmax(0, 1fr) auto auto; gap: 6px; align-items: center; padding: 7px 8px; cursor: pointer; border-bottom: 1px solid #f4f5f7; font-size: 12.5px; }
.fitem.active { background: var(--red-soft); }
.fitem:hover { background: #fafbfc; }
.fmark { text-align: center; font-size: 11px; font-weight: 700; color: #fff; }
.fmark.A { background: #2ba471; }
.fmark.M { background: #b26a00; }
.fmark.D { background: var(--bad); }
.fname { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.fnum { color: var(--ink-3); font-size: 11.5px; }
.fnum em { color: #2ba471; font-style: normal; }
.fcnt { background: var(--red); color: #fff; font-size: 10.5px; padding: 0 5px; }
.fempty, .fnone { padding: 16px; color: var(--ink-3); font-size: 13px; }
.dmain { min-width: 0; }
.dline { display: grid; grid-template-columns: 34px 34px 14px minmax(0, 1fr) 22px; font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: 12.5px; line-height: 1.7; border-bottom: 1px solid #f6f7f9; }
.dline .ln { color: #a9aeb8; text-align: right; padding-right: 6px; user-select: none; }
.dline.add { background: #f0faf4; }
.dline.del { background: #fdf1f1; }
.dline .sg { color: var(--ink-3); text-align: center; }
.dline.add .sg { color: #2ba471; }
.dline.del .sg { color: var(--red); }
.dline .tx { padding-right: 8px; white-space: pre-wrap; word-break: break-word; min-width: 0; }
.dline.hot { box-shadow: inset 3px 0 0 var(--red); }
.dline .plus, .rab { color: var(--red); cursor: pointer; font-size: 12px; opacity: .35; text-align: center; }
.dline:hover .plus, .rblock:hover .rab { opacity: 1; }
.hunk { background: #f2f3f5; color: var(--ink-3); font-family: ui-monospace, monospace; font-size: 12px; padding: 3px 8px; border-bottom: 1px solid var(--line); }
.split2 { display: grid; grid-template-columns: 1fr 1fr; }
.scol { min-width: 0; border-right: 1px solid var(--line); }
.dline.ctx2, .dline.del2, .dline.add2, .dline.empty2 { grid-template-columns: 34px minmax(0, 1fr) 22px; }
.dline.empty2 { background: #fafbfc; }
.rendered { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; padding: 10px; }
.rcol { min-width: 0; }
.rlabel { font-size: 12px; color: var(--ink-3); padding-bottom: 6px; border-bottom: 1px solid var(--line); margin-bottom: 8px; }
.newblock { background: #f7fcf9; border-left: 3px solid #2ba471; padding: 6px 8px; }
.rblock { position: relative; padding-right: 46px; }
.rab { position: absolute; right: 0; top: 2px; border: 1px solid var(--line); background: #fff; padding: 0 4px; font-size: 10.5px; line-height: 1.8; font-family: ui-monospace, monospace; }
.osec { display: flex; justify-content: space-between; gap: 10px; padding: 6px 0; border-bottom: 1px dashed #ebeef0; font-size: 12.5px; color: #a9aeb8; }
.osec .t { min-width: 0; word-break: break-word; }
.osec .tag { flex: none; font-size: 11px; }
.osec.changed { color: var(--ink); font-weight: 600; }
.osec.changed .tag { color: var(--red); }
.md { font-size: 13px; line-height: 1.75; color: var(--ink); word-break: break-word; }
.md h2 { font-size: 16px; margin: 14px 0 6px; }
.md h3 { font-size: 14px; margin: 12px 0 6px; }
.md h4 { font-size: 13px; margin: 10px 0 4px; }
.md p { margin: 6px 0; }
.md ul, .md ol { margin: 6px 0; padding-left: 22px; }
.md li { margin: 2px 0; }
.md code { background: #f2f3f5; padding: 1px 4px; font-family: ui-monospace, monospace; font-size: 12px; }
.md pre { background: #f7f8fa; padding: 10px; overflow: auto; }
.md blockquote { margin: 8px 0; padding: 4px 10px; border-left: 3px solid var(--line); color: var(--ink-2); }
.md .mdtable { border-collapse: collapse; width: 100%; font-size: 12px; margin: 8px 0; }
.md .mdtable th, .md .mdtable td { border: 1px solid var(--line); padding: 4px 6px; }
.composer { margin: 8px 0; border: 1px solid var(--red); background: #fff; padding: 8px; }
.canchor { font-family: ui-monospace, monospace; font-size: 11.5px; color: var(--ink-3); margin-bottom: 6px; word-break: break-all; }
.composer textarea { width: 100%; min-height: 96px; border: 1px solid var(--line); padding: 8px; font: inherit; font-size: 13px; resize: vertical; }
.cnote { font-size: 11.5px; color: var(--red); background: var(--red-soft); padding: 4px 8px; margin-top: 6px; }
.crow { display: flex; gap: 8px; align-items: center; margin-top: 8px; }
.ctip { color: var(--ink-3); font-size: 11.5px; }
.draftnote { margin: 4px 0 6px; background: var(--red-soft); border-left: 3px solid var(--red); padding: 4px 8px; font-size: 12px; color: #7a0006; }
.commentnote { margin: 4px 0 6px; background: #f7f8fa; border-left: 3px solid var(--line); padding: 4px 8px; font-size: 12px; color: var(--ink-2); }
.commentnote a { color: var(--red); }
.drail-head { justify-content: space-between; flex-wrap: wrap; }
.dsub { color: var(--ink-3); font-size: 11.5px; }
.draftlist { padding: 8px; max-height: 320px; overflow: auto; }
.dempty { color: var(--ink-3); font-size: 12.5px; }
.ddraft { border: 1px solid var(--line); padding: 6px 8px; margin-bottom: 8px; position: relative; }
.dloc { font-size: 11.5px; color: var(--ink-3); }
.dbody2 { font-size: 12.5px; margin-top: 4px; }
.dop { position: absolute; right: 6px; top: 4px; border: 0; background: none; color: var(--red); cursor: pointer; font-size: 11.5px; }
.dsubmit { width: 100%; border-radius: 0; }
.dsubmit:disabled { background: #f2c6c8; cursor: not-allowed; }
.dhint { padding: 8px; font-size: 11.5px; color: var(--ink-3); }
.selchip { position: fixed; z-index: 60; background: var(--red); color: #fff; border: 0; padding: 5px 10px; font: inherit; font-size: 12px; cursor: pointer; box-shadow: 0 3px 10px rgba(0,0,0,.18); }
.selchip[hidden] { display: none; }
.dtoast { position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%); background: var(--ink); color: #fff; padding: 7px 14px; font-size: 12.5px; opacity: 0; transition: opacity .18s; pointer-events: none; }
.dtoast.show { opacity: 1; }
.error-box { padding: 16px; color: var(--red); background: var(--red-soft); border: 1px solid #f3c7c9; }

@media (max-width: 1180px) {
  .dbody { grid-template-columns: 200px minmax(0, 1fr); }
  .drail { grid-column: 1 / -1; }
  .draftlist { max-height: none; }
}
@media (max-width: 800px) {
  .dbody { grid-template-columns: 1fr; }
  .rendered, .split2 { grid-template-columns: 1fr; }
  .dline { grid-template-columns: 28px 28px 12px minmax(0, 1fr) 20px; }
  .ftree { max-height: 220px; }
  .dside-head input { font-size: 16px; }
  .composer textarea { font-size: 16px; }
}