:root {
  --primary: #1a56db; --primary-dark: #1e429f;
  --bg: #f3f5f9; --card: #ffffff; --border: #e5e9f0;
  --text: #1f2937; --text2: #6b7280;
  --red: #d92d20; --green: #12b76a; --orange: #f79009; --blue: #1a56db;
  --radius: 10px;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif; background: var(--bg); color: var(--text); font-size: 14px; }

/* ---------- 登录 ---------- */
.login-page { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: linear-gradient(135deg, #1e429f, #1a56db); }
.login-card { background: #fff; border-radius: 14px; padding: 40px 36px; width: 360px; max-width: 92vw; box-shadow: 0 12px 40px rgba(0,0,0,.18); }
.login-card h1 { font-size: 22px; text-align: center; }
.login-sub { text-align: center; color: var(--text2); margin: 8px 0 24px; }
.login-card label { display: block; margin-bottom: 14px; color: var(--text2); }
.login-card input { width: 100%; padding: 10px 12px; border: 1px solid var(--border); border-radius: 8px; margin-top: 6px; font-size: 15px; }
.form-error { color: var(--red); text-align: center; margin-top: 12px; min-height: 18px; }

/* ---------- 布局 ---------- */
#app { display: flex; min-height: 100vh; }
#sidebar { width: 220px; background: #101828; color: #cbd5e1; flex-shrink: 0; position: sticky; top: 0; height: 100vh; overflow-y: auto; }
/* ---- 报表中心标签页 ---- */
/* 仪表盘跳转入口卡片 */
.entry-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 12px; margin-bottom: 16px; }
.entry-card { display: block; background: var(--card, #fff); border: 1px solid var(--border, #e4e7ec); border-radius: 10px; padding: 14px 16px; text-decoration: none; color: inherit; transition: box-shadow .15s, border-color .15s; }
.entry-card:hover { border-color: #1a56db; box-shadow: 0 2px 10px rgba(26,86,219,.12); }
.entry-title { font-size: 15px; font-weight: 600; margin-bottom: 4px; }
.entry-desc { font-size: 12px; color: var(--text2, #667085); }

.tabs { display: flex; gap: 4px; flex-wrap: wrap; margin-bottom: 14px; border-bottom: 2px solid var(--border); }
.tabs .tab { padding: 8px 16px; border: none; background: none; cursor: pointer; font-size: 14px;
  color: var(--text2); border-bottom: 2px solid transparent; margin-bottom: -2px; border-radius: 6px 6px 0 0; }
.tabs .tab:hover { color: var(--primary); background: #f1f5ff; }
.tabs .tab.active { color: var(--primary); font-weight: 600; border-bottom-color: var(--primary); }
.kpi-note { font-size: 12px; color: var(--text2); margin-top: 4px; }

.logo { padding: 20px 18px; font-size: 17px; font-weight: 700; color: #fff; border-bottom: 1px solid #1e293b; display: flex; align-items: center; gap: 10px; }
.logo img { max-height: 34px; max-width: 42px; border-radius: 6px; background: #fff; padding: 2px; }
#nav a { display: block; padding: 12px 18px; color: #cbd5e1; text-decoration: none; border-left: 3px solid transparent; }
#nav a:hover { background: #1e293b; color: #fff; }
#nav a.active { background: #1e293b; color: #fff; border-left-color: var(--primary); }
#main { flex: 1; min-width: 0; display: flex; flex-direction: column; }
#topbar { background: var(--card); border-bottom: 1px solid var(--border); padding: 10px 20px; display: flex; align-items: center; gap: 10px; position: sticky; top: 0; z-index: 20; }
#pageTitle { font-size: 16px; font-weight: 600; }
.spacer { flex: 1; }
#userInfo { color: var(--text2); }
#view { padding: 20px; flex: 1; }
#menuBtn { display: none; }
.badge { background: var(--red); color: #fff; border-radius: 10px; padding: 1px 7px; font-size: 12px; }
.btn-icon { background: none; border: none; font-size: 20px; cursor: pointer; }

/* ---------- 通用组件 ---------- */
.btn { background: #eef2f7; border: 1px solid var(--border); border-radius: 8px; padding: 8px 14px; cursor: pointer; font-size: 14px; color: var(--text); }
.btn:hover { background: #e2e8f0; }
.btn-primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-danger { background: #fef3f2; border-color: #fecdca; color: var(--red); }
.btn-sm { padding: 4px 10px; font-size: 13px; }
.btn-block { width: 100%; padding: 11px; font-size: 15px; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; margin-bottom: 16px; }
.card h3 { font-size: 15px; margin-bottom: 12px; }
.toolbar { display: flex; gap: 10px; margin-bottom: 14px; flex-wrap: wrap; align-items: center; }
.toolbar input, .toolbar select { padding: 8px 10px; border: 1px solid var(--border); border-radius: 8px; font-size: 14px; }
.loading { color: var(--text2); text-align: center; padding: 40px; }
.empty { color: var(--text2); text-align: center; padding: 30px; }

/* ---------- 表格 ---------- */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; background: var(--card); }
th, td { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--border); white-space: nowrap; }
th { color: var(--text2); font-weight: 500; font-size: 13px; background: #f8fafc; }
tbody tr:hover { background: #f8fafc; }
tbody tr.clickable { cursor: pointer; }
.num { text-align: right; font-variant-numeric: tabular-nums; }
.money-red { color: var(--red); font-weight: 600; }
.money-green { color: var(--green); font-weight: 600; }

.tag { display: inline-block; padding: 2px 9px; border-radius: 20px; font-size: 12px; }
.tag-gray { background: #eef2f7; color: #475467; }
.tag-blue { background: #eff4ff; color: var(--blue); }
.tag-green { background: #ecfdf3; color: var(--green); }
.tag-red { background: #fef3f2; color: var(--red); }
.tag-orange { background: #fffaeb; color: var(--orange); }

/* ---------- 统计卡 ---------- */
.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 14px; margin-bottom: 16px; }
.stat-card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; }
.stat-card .label { color: var(--text2); font-size: 13px; }
.stat-card .value { font-size: 22px; font-weight: 700; margin-top: 6px; font-variant-numeric: tabular-nums; }
.stat-card .value.red { color: var(--red); }
.stat-card .value.green { color: var(--green); }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.chart-box { position: relative; height: 280px; }

/* ---------- 弹窗 ---------- */
.modal-mask { position: fixed; inset: 0; background: rgba(15,23,42,.45); z-index: 100; display: flex; align-items: flex-start; justify-content: center; padding: 40px 14px; overflow-y: auto; }
.modal { background: #fff; border-radius: 12px; width: 720px; max-width: 100%; max-height: calc(100vh - 80px); overflow-y: auto; }
.modal-head { display: flex; justify-content: space-between; align-items: center; padding: 16px 20px; border-bottom: 1px solid var(--border); position: sticky; top: 0; background: #fff; }
.modal-head h3 { font-size: 16px; }
.modal-close { background: none; border: none; font-size: 22px; cursor: pointer; color: var(--text2); }
.modal-body { padding: 20px; }
.modal.wide { width: 900px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px 16px; }
.form-grid label { display: block; color: var(--text2); font-size: 13px; }
.form-grid input, .form-grid select, .form-grid textarea { width: 100%; padding: 8px 10px; border: 1px solid var(--border); border-radius: 8px; margin-top: 5px; font-size: 14px; font-family: inherit; }
.form-grid .full { grid-column: 1 / -1; }
.form-actions { margin-top: 18px; display: flex; justify-content: flex-end; gap: 10px; }
.section-title { font-size: 14px; font-weight: 600; margin: 22px 0 10px; display: flex; justify-content: space-between; align-items: center; }

/* ---------- 移动端 ---------- */
@media (max-width: 768px) {
  #sidebar { position: fixed; left: -230px; z-index: 50; transition: left .2s; }
  #sidebar.open { left: 0; box-shadow: 4px 0 20px rgba(0,0,0,.3); }
  #menuBtn { display: block; }
  #view { padding: 14px; }
  .grid-2 { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .modal-mask { padding: 10px 6px; align-items: flex-start; }
  .stat-card .value { font-size: 19px; }
  #userInfo { display: none; }
}