:root {
  --bg: #f5f7fa;
  --card: #ffffff;
  --line: #e3e8ef;
  --text: #1f2937;
  --muted: #6b7280;
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --ok: #16a34a;
  --warn: #d97706;
  --bad: #dc2626;
  --pending: #64748b;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 14px;
}
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 18px 20px;
}
.muted { color: var(--muted); }
.btn {
  display: inline-block;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--text);
  border-radius: 8px;
  padding: 8px 14px;
  cursor: pointer;
  font-size: 14px;
}
.btn:hover { background: #f1f5f9; }
.btn.primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn.primary:hover { background: var(--primary-dark); }
.btn.danger { color: var(--bad); border-color: #fecaca; }
.btn:disabled { opacity: .5; cursor: not-allowed; }
input, select, textarea {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-size: 14px;
  font-family: inherit;
  background: #fff;
}
label { font-weight: 600; display: block; margin: 10px 0 4px; }
.row { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.row > * { flex: 1; min-width: 160px; }

/* 登录页 */
.login-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #1e3a8a, #2563eb);
}
.login-card { width: 380px; max-width: 92vw; }
.login-card h1 { font-size: 20px; margin: 0 0 4px; }
.login-card p { color: var(--muted); margin: 0 0 16px; }
.err { color: var(--bad); font-size: 13px; margin-top: 8px; min-height: 18px; }

/* 顶部导航 */
.topbar {
  background: #fff;
  border-bottom: 1px solid var(--line);
  padding: 0 20px;
  display: flex;
  align-items: center;
  height: 54px;
  position: sticky;
  top: 0;
  z-index: 10;
}
.topbar .brand { font-weight: 700; font-size: 16px; margin-right: 28px; }
.topbar nav { display: flex; gap: 4px; flex: 1; }
.topbar nav button {
  border: none; background: none; padding: 8px 14px; border-radius: 8px;
  cursor: pointer; font-size: 14px; color: var(--muted);
}
.topbar nav button.active { background: #eff6ff; color: var(--primary); font-weight: 600; }
.topbar .who { color: var(--muted); font-size: 13px; }
.main { max-width: 1100px; margin: 20px auto; padding: 0 16px; }

/* 表单与任务 */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 16px; }
@media (max-width: 720px) { .form-grid { grid-template-columns: 1fr; } }
.hint { color: var(--muted); font-size: 12px; margin-top: 4px; }
.checklist { display: flex; flex-wrap: wrap; gap: 8px; margin: 8px 0; }
.checklist span {
  background: #f1f5f9; border: 1px solid var(--line); border-radius: 20px;
  padding: 3px 10px; font-size: 12px; color: var(--muted);
}
.upload-box {
  border: 1px dashed #cbd5e1; border-radius: 8px; padding: 12px;
  background: #f8fafc; margin-top: 6px;
}
.upload-box .file-name { font-size: 13px; color: var(--text); }
.hits { margin-top: 8px; }
.hit-item { font-size: 13px; color: var(--warn); }

table { width: 100%; border-collapse: collapse; margin-top: 10px; }
th, td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-weight: 600; font-size: 13px; }
tr:hover td { background: #f8fafc; }
.chip {
  display: inline-block; padding: 2px 10px; border-radius: 20px;
  font-size: 12px; color: #fff;
}
.chip.pending { background: var(--pending); }
.chip.parsing, .chip.reviewing { background: var(--primary); }
.chip.done { background: var(--ok); }
.chip.failed { background: var(--bad); }
.chip.needs_confirmation { background: var(--warn); }
.chip.returned { background: var(--bad); }
.progress { font-size: 12px; color: var(--muted); margin-top: 2px; }

/* 任务详情 */
.conclusion { font-size: 18px; font-weight: 700; padding: 14px 18px; border-radius: 10px; margin: 10px 0; }
.conclusion.pass { background: #ecfdf5; color: #065f46; }
.conclusion.revise { background: #fffbeb; color: #92400e; }
.conclusion.fail { background: #fef2f2; color: #991b1b; }
h2 { font-size: 17px; margin: 18px 0 8px; }
h3 { font-size: 15px; margin: 14px 0 6px; }
.problem { border-left: 3px solid var(--warn); padding: 8px 12px; margin: 8px 0; background: #fff; border-radius: 0 8px 8px 0; }
.problem .sev { font-size: 12px; padding: 1px 8px; border-radius: 10px; background: #fef2f2; color: var(--bad); margin-right: 6px; }
.review-text pre { white-space: pre-wrap; word-break: break-word; background: #f8fafc; border: 1px solid var(--line); border-radius: 8px; padding: 12px; font-size: 13px; line-height: 1.6; max-height: 55vh; overflow: auto; font-family: inherit; }
.tabs { display: flex; gap: 8px; margin: 12px 0; }
.tabs button { border: 1px solid var(--line); background: #fff; padding: 7px 14px; border-radius: 8px; cursor: pointer; }
.tabs button.active { border-color: var(--primary); color: var(--primary); background: #eff6ff; }
.stat-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; }
.stat-card { background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 14px 16px; }
.stat-card .num { font-size: 22px; font-weight: 700; }
.modal {
  position: fixed; inset: 0; background: rgba(0,0,0,.35);
  display: flex; align-items: center; justify-content: center; z-index: 50;
}
.modal-card { background: #fff; border-radius: 12px; padding: 22px; width: 560px; max-width: 94vw; max-height: 86vh; overflow: auto; }
.modal-card.wide { width: 860px; }
.hidden { display: none; }
.section-title { font-size: 16px; font-weight: 700; margin: 22px 0 10px; }
.notice { background: #eff6ff; border: 1px solid #bfdbfe; border-radius: 8px; padding: 10px 14px; font-size: 13px; color: #1e40af; margin: 10px 0; }