:root {
  --blue: #1a6bff;
  --blue-soft: #eaf1ff;
  --green: #16a34a;
  --orange: #ea8a00;
  --orange-asset: #f79c2b;
  --red: #e5484d;
  --text: #1a1a2e;
  --muted: #6b7280;
  --line: #e5e7eb;
  --bg: #f5f7fb;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  color: var(--text);
  background: var(--bg);
  font-size: 14px;
}

.layout { display: flex; min-height: 100vh; }

/* 侧边菜单 */
.sidebar {
  width: 208px;
  background: #fff;
  border-right: 1px solid var(--line);
  padding: 18px 12px;
  flex-shrink: 0;
}
.brand { font-size: 16px; font-weight: 700; margin-bottom: 4px; }
.brand-sub { font-size: 12px; color: var(--muted); margin-bottom: 18px; }
.menu-item {
  padding: 9px 12px;
  border-radius: 8px;
  cursor: pointer;
  color: #374151;
  margin-bottom: 2px;
  display: flex;
  gap: 8px;
  align-items: center;
}
.menu-item:hover { background: #f3f4f6; }
.menu-item.active { background: var(--blue-soft); color: var(--blue); font-weight: 600; }

.main { flex: 1; display: flex; flex-direction: column; min-width: 0; }

/* 顶部操作栏 */
.topbar {
  background: #fff;
  border-bottom: 1px solid var(--line);
  padding: 10px 18px;
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
}
.btn {
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 8px;
  padding: 7px 12px;
  cursor: pointer;
  font-size: 13px;
  color: #374151;
}
.btn:hover { border-color: var(--blue); color: var(--blue); }
.btn-primary { background: var(--blue); border-color: var(--blue); color: #fff; }
.btn-primary:hover { opacity: .9; color: #fff; }
.btn-primary:disabled { background: #9ca3af; border-color: #9ca3af; cursor: not-allowed; }
.btn-warn { background: var(--orange-asset); border-color: var(--orange-asset); color: #fff; }
.btn-danger { color: var(--red); border-color: #f3c3c4; }
.spacer { flex: 1; }
.select, .input {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 6px 10px;
  font-size: 13px;
  background: #fff;
}
.user-chip { font-size: 13px; color: var(--muted); }

.content { padding: 18px; overflow: auto; }

/* 卡片与数字卡 */
.cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-bottom: 16px; }
.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 16px;
}
.card-title { font-size: 13px; color: var(--muted); margin-bottom: 8px; }
.card-value { font-size: 28px; font-weight: 700; }
.card-value.blue { color: var(--blue); }
.card-value.green { color: var(--green); }
.metric-link { cursor: pointer; }

.panel { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 16px; margin-bottom: 16px; }
.panel-title { font-size: 15px; font-weight: 600; margin-bottom: 12px; display: flex; align-items: center; gap: 8px; }

/* 三步流程 */
.steps { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; flex-wrap: wrap; }
.step-chip {
  padding: 8px 14px;
  border-radius: 999px;
  background: #f3f4f6;
  color: var(--muted);
  font-size: 13px;
  border: 1px solid transparent;
}
.step-chip.done { background: #e8f7ee; color: var(--green); border-color: #bfe5cc; }
.step-chip.current { background: var(--blue-soft); color: var(--blue); border-color: #c7dbff; }
.step-arrow { color: #cbd5e1; }

/* 表格 */
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { padding: 9px 10px; border-bottom: 1px solid var(--line); text-align: left; }
th { color: var(--muted); font-weight: 500; background: #fafbfc; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
tr.clickable:hover { background: #f9fafb; cursor: pointer; }
span.clickable, .voucher-ref { cursor: pointer; color: #2563eb; text-decoration: underline; }
span.clickable:hover, .voucher-ref:hover { color: #1d4ed8; }

.tag { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 12px; }
.tag-green { background: #e8f7ee; color: var(--green); }
.tag-orange { background: #fff4e5; color: var(--orange); }
.tag-red { background: #fdeaea; color: var(--red); }
.tag-blue { background: var(--blue-soft); color: var(--blue); }

/* 凭证预览 */
.voucher-grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: 16px; }
.voucher-lines { width: 100%; }
.voucher-line { display: flex; justify-content: space-between; padding: 6px 0; border-bottom: 1px dashed var(--line); }
.voucher-line .subject { color: #374151; }
.voucher-line .amount { font-variant-numeric: tabular-nums; }
.balance-bar { margin-top: 12px; padding: 10px 12px; border-radius: 8px; font-size: 13px; }
.balance-ok { background: #e8f7ee; color: var(--green); }
.balance-bad { background: #fdeaea; color: var(--red); }

.warnings { margin-top: 10px; font-size: 13px; color: var(--orange); }
.warnings li { margin-bottom: 4px; }

/* 弹窗 */
.modal-mask { position: fixed; inset: 0; background: rgba(15, 23, 42, .45); display: flex; align-items: center; justify-content: center; z-index: 50; }
.modal { background: #fff; border-radius: 12px; width: 620px; max-width: 94vw; max-height: 90vh; overflow: auto; }
.modal-head { padding: 14px 18px; border-bottom: 1px solid var(--line); display: flex; justify-content: space-between; align-items: center; }
.modal-body { padding: 16px 18px; }
.modal-foot { padding: 12px 18px; border-top: 1px solid var(--line); display: flex; justify-content: flex-end; gap: 10px; }
.tip-green { background: #e8f7ee; color: #14663a; padding: 8px 12px; border-radius: 8px; font-size: 13px; margin-bottom: 12px; }
.form-row { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.form-row label { width: 96px; color: var(--muted); font-size: 13px; }
.form-row .input, .form-row .select { flex: 1; }

/* 版本对比 */
.timeline { display: flex; gap: 8px; margin-bottom: 12px; flex-wrap: wrap; }
.version-chip { padding: 6px 12px; border: 1px solid var(--line); border-radius: 8px; cursor: pointer; font-size: 13px; }
.version-chip.active { border-color: var(--blue); color: var(--blue); background: var(--blue-soft); }
.diff-row.changed { background: #fff7ed; }
.diff-row.unchanged { background: #f0fdf4; }

/* 批量 */
.dropzone {
  border: 2px dashed #cbd5e1;
  border-radius: 12px;
  padding: 26px;
  text-align: center;
  color: var(--muted);
  background: #fbfcfe;
  cursor: pointer;
}
.dropzone:hover { border-color: var(--blue); color: var(--blue); }
.buckets { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin: 14px 0; }
.bucket { border-radius: 10px; padding: 12px; text-align: center; }
.bucket .n { font-size: 24px; font-weight: 700; }
.bucket-green { background: #e8f7ee; color: var(--green); }
.bucket-orange { background: #fff4e5; color: var(--orange); }
.bucket-red { background: #fdeaea; color: var(--red); }
.progress { height: 8px; background: #eef2f7; border-radius: 999px; overflow: hidden; margin: 10px 0; }
.progress > i { display: block; height: 100%; background: var(--blue); }

.empty { text-align: center; color: var(--muted); padding: 30px 0; }
.hint { font-size: 12px; color: var(--muted); margin-top: 8px; }
.foot-note { text-align: center; color: var(--muted); font-size: 12px; padding: 14px 0; }
.loading { padding: 40px; text-align: center; color: var(--muted); }
.login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; }
.login-card { width: 380px; background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 28px; }
.login-card .brand-sub { margin-bottom: 20px; }
.login-card .form-row label { width: 64px; }
.login-card .btn-primary { margin-top: 8px; }

.toast {
  position: fixed; right: 20px; bottom: 20px; background: #111827; color: #fff;
  padding: 10px 16px; border-radius: 8px; font-size: 13px; z-index: 99;
}