:root{
  --bg:#f5f6f8;
  --panel:#ffffff;
  --line:#e8eaef;
  --line-soft:#f0f1f5;
  --text:#1c1f26;
  --text-2:#5b6472;
  --text-3:#8b95a5;
  --primary:#4f46e5;
  --primary-soft:#eef0ff;
  --income:#e5484d;
  --expense:#16a34a;
  --warn:#d97706;
  --radius:14px;
  --shadow:0 1px 2px rgba(16,24,40,.04), 0 8px 24px rgba(16,24,40,.06);
}
*{box-sizing:border-box}
[hidden]{display:none !important}
html,body{margin:0;padding:0}
body{
  background:var(--bg);
  color:var(--text);
  font:14px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;font-weight:650;letter-spacing:-.01em}
button{font-family:inherit;cursor:pointer}
input,select,textarea{font-family:inherit;font-size:14px}

/* ---------- 登录 ---------- */
.login-wrap{
  min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px;
  background:
    radial-gradient(1200px 500px at 15% -10%, #e8eaff 0%, transparent 60%),
    radial-gradient(900px 500px at 90% 10%, #e6f6ef 0%, transparent 55%),
    var(--bg);
}
.login-card{
  width:100%;max-width:400px;background:var(--panel);border:1px solid var(--line);
  border-radius:20px;padding:32px;box-shadow:var(--shadow);
}
.login-brand{display:flex;gap:14px;align-items:center;margin-bottom:26px}
.login-logo{
  width:48px;height:48px;border-radius:14px;background:var(--primary);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:24px;font-weight:700;flex:none;
}
.login-brand h1{font-size:20px}
.login-brand p{margin:2px 0 0;color:var(--text-3);font-size:13px}
.login-tip{margin:16px 0 0;color:var(--text-3);font-size:12px;text-align:center}

/* ---------- 顶栏 ---------- */
.topbar{
  position:sticky;top:0;z-index:40;height:58px;display:flex;align-items:center;
  justify-content:space-between;padding:0 18px;background:rgba(255,255,255,.9);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--line);
}
.brand{display:flex;align-items:center;gap:10px}
.brand-mark{
  width:30px;height:30px;border-radius:9px;background:var(--primary);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:700;
}
.brand-text{font-weight:650;font-size:15px}
.topbar-right{display:flex;align-items:center;gap:10px}
.user-menu{position:relative}
.user-btn{
  border:1px solid var(--line);background:#fff;border-radius:9px;padding:6px 12px;
  color:var(--text);font-size:13px;display:flex;align-items:center;gap:6px;
}
.user-btn:hover{background:var(--line-soft)}
.user-drop{
  position:absolute;right:0;top:calc(100% + 6px);background:#fff;border:1px solid var(--line);
  border-radius:10px;box-shadow:var(--shadow);overflow:hidden;min-width:140px;
}
.user-drop button{
  display:block;width:100%;text-align:left;border:0;background:none;padding:10px 14px;
  font-size:13px;color:var(--text);
}
.user-drop button:hover{background:var(--line-soft)}

/* ---------- 布局 ---------- */
.layout{display:flex;min-height:calc(100vh - 58px)}
.sidebar{
  width:180px;flex:none;background:var(--panel);border-right:1px solid var(--line);
  padding:14px 10px;position:sticky;top:58px;height:calc(100vh - 58px);
}
.nav-item{
  display:flex;align-items:center;gap:10px;width:100%;border:0;background:none;
  padding:10px 12px;border-radius:10px;color:var(--text-2);font-size:14px;margin-bottom:2px;
}
.nav-item i{font-style:normal;width:18px;text-align:center;opacity:.8}
.nav-item:hover{background:var(--line-soft);color:var(--text)}
.nav-item.active{background:var(--primary-soft);color:var(--primary);font-weight:600}
.content{flex:1;padding:22px;min-width:0;max-width:1280px}

/* ---------- 通用组件 ---------- */
.page-head{display:flex;align-items:flex-end;justify-content:space-between;gap:12px;margin-bottom:16px;flex-wrap:wrap}
.page-head h2{font-size:20px}
.page-head .sub{color:var(--text-3);font-size:13px;margin-top:2px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow)}
.card + .card{margin-top:16px}
.card-title{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.card-title h3{font-size:15px}
.grid{display:grid;gap:16px}
.grid-4{grid-template-columns:repeat(4,1fr)}
.grid-2{grid-template-columns:1fr 1fr}
.grid-3{grid-template-columns:repeat(3,1fr)}

.btn{
  border:1px solid var(--line);background:#fff;color:var(--text);border-radius:9px;
  padding:8px 14px;font-size:13px;transition:.15s;white-space:nowrap;
}
.btn:hover{background:var(--line-soft)}
.btn-primary{background:var(--primary);border-color:var(--primary);color:#fff}
.btn-primary:hover{background:#4338ca}
.btn-danger{color:#dc2626;border-color:#fecaca;background:#fff}
.btn-danger:hover{background:#fef2f2}
.btn-sm{padding:6px 11px;font-size:12.5px}
.btn-block{width:100%;padding:11px;font-size:14px;font-weight:600}
.icon-btn{border:0;background:none;color:var(--text-3);font-size:16px;padding:4px 6px;border-radius:6px}
.icon-btn:hover{background:var(--line-soft);color:var(--text)}

.field{display:block;margin-bottom:14px}
.field > span{display:block;font-size:12.5px;color:var(--text-2);margin-bottom:6px;font-weight:500}
.field input,.field select,.field textarea{
  width:100%;border:1px solid var(--line);border-radius:9px;padding:9px 11px;background:#fff;color:var(--text);outline:none;
}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(79,70,229,.12)}
.field-inline{display:flex;gap:10px}
.field-inline .field{flex:1;margin-bottom:0}
.form-error{color:#dc2626;background:#fef2f2;border:1px solid #fecaca;border-radius:8px;padding:8px 11px;font-size:13px;margin-bottom:12px}

.filters{display:flex;gap:10px;flex-wrap:wrap;align-items:flex-end;margin-bottom:14px}
.filters .f{display:flex;flex-direction:column;gap:5px}
.filters .f label{font-size:12px;color:var(--text-3)}
.filters input,.filters select{
  border:1px solid var(--line);border-radius:9px;padding:7px 10px;background:#fff;color:var(--text);outline:none;
}
.filters input:focus,.filters select:focus{border-color:var(--primary)}
.filters .spacer{flex:1}

/* ---------- KPI ---------- */
.kpi{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px;box-shadow:var(--shadow)}
.kpi .label{font-size:12.5px;color:var(--text-3);display:flex;align-items:center;gap:6px}
.kpi .value{font-size:26px;font-weight:680;margin-top:6px;letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.kpi .delta{font-size:12px;margin-top:4px;color:var(--text-3)}
.kpi .delta.up{color:var(--income)}
.kpi .delta.down{color:var(--expense)}
.v-income{color:var(--income)}
.v-expense{color:var(--expense)}

/* ---------- 表格 ---------- */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:#fff}
table{width:100%;border-collapse:collapse;font-size:13.5px}
th,td{padding:11px 14px;text-align:left;border-bottom:1px solid var(--line-soft);white-space:nowrap}
th{background:#fafbfc;color:var(--text-3);font-weight:600;font-size:12.5px;position:sticky;top:0}
tbody tr:hover{background:#fafbff}
td.num,th.num{text-align:right;font-variant-numeric:tabular-nums}
.tag{display:inline-block;padding:2px 8px;border-radius:20px;font-size:12px;font-weight:600}
.tag.income{background:#fdecec;color:var(--income)}
.tag.expense{background:#e7f6ed;color:var(--expense)}
.tag.muted{background:var(--line-soft);color:var(--text-3)}
.row-actions{display:flex;gap:6px;justify-content:flex-end}
.empty{padding:40px 16px;text-align:center;color:var(--text-3)}
.pager{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:14px;font-size:13px;color:var(--text-2)}

/* ---------- 图表 ---------- */
.chart{width:100%;overflow:hidden}
.legend{display:flex;gap:14px;flex-wrap:wrap;font-size:12.5px;color:var(--text-2);margin-top:8px}
.legend i{width:9px;height:9px;border-radius:3px;display:inline-block;margin-right:5px}
.cat-list{display:flex;flex-direction:column;gap:9px;margin-top:6px}
.cat-row{display:flex;align-items:center;gap:9px;font-size:13px}
.cat-row .dot{width:9px;height:9px;border-radius:3px;flex:none}
.cat-row .nm{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.cat-row .vl{font-variant-numeric:tabular-nums;color:var(--text-2)}
.cat-row .pc{width:48px;text-align:right;color:var(--text-3);font-size:12px}

.grp-title{
  font-size:13px;font-weight:650;color:var(--text);margin:14px 0 10px;
  padding-left:9px;border-left:3px solid var(--primary);
}

/* ---------- 识别结果表 ---------- */
.ocr-table td{padding:6px 8px}
.ocr-table input,.ocr-table select{
  border:1px solid var(--line);border-radius:6px;padding:5px 6px;font-size:13px;
  width:100%;min-width:76px;background:#fff;color:var(--text);
}
.ocr-table input:focus,.ocr-table select:focus{border-color:var(--primary);outline:none}
.ocr-table input[type="date"]{min-width:132px}
.ocr-table .ocr-note{min-width:140px}

/* ---------- 弹窗 ---------- */
.modal-mask{position:fixed;inset:0;background:rgba(17,20,28,.45);display:flex;align-items:center;justify-content:center;padding:20px;z-index:80}
.modal{background:#fff;border-radius:16px;width:100%;max-width:460px;max-height:88vh;overflow:auto;box-shadow:0 24px 60px rgba(0,0,0,.2)}
.modal-head{display:flex;align-items:center;justify-content:space-between;padding:16px 18px;border-bottom:1px solid var(--line)}
.modal-head h3{font-size:16px}
.modal-body{padding:18px}
.modal-foot{padding:0 18px 18px;display:flex;gap:10px;justify-content:flex-end}
.seg{display:flex;background:var(--line-soft);border-radius:10px;padding:3px;gap:3px;margin-bottom:14px}
.seg button{flex:1;border:0;background:none;padding:8px;border-radius:8px;font-size:13.5px;color:var(--text-2)}
.seg button.on{background:#fff;box-shadow:0 1px 3px rgba(0,0,0,.08);font-weight:600;color:var(--text)}
.seg button.on.k-expense{color:var(--expense)}
.seg button.on.k-income{color:var(--income)}

/* ---------- Toast ---------- */
.toast{
  position:fixed;left:50%;bottom:34px;transform:translateX(-50%);background:#1c1f26;color:#fff;
  padding:10px 18px;border-radius:10px;font-size:13.5px;z-index:120;box-shadow:0 10px 30px rgba(0,0,0,.2);
}
.toast.err{background:#dc2626}

.muted{color:var(--text-3)}
.small{font-size:12.5px}
.mono{font-variant-numeric:tabular-nums}

/* ---------- 响应式 ---------- */
@media (max-width:1000px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:1fr}
}
@media (max-width:760px){
  .layout{display:block}
  .sidebar{
    position:fixed;bottom:0;left:0;right:0;top:auto;width:100%;height:auto;z-index:50;
    display:flex;padding:6px 4px;border-right:0;border-top:1px solid var(--line);
    padding-bottom:calc(6px + env(safe-area-inset-bottom));
  }
  .nav-item{flex:1;flex-direction:column;gap:2px;font-size:11.5px;padding:6px 2px;margin:0}
  .nav-item i{font-size:16px;width:auto}
  .content{padding:14px 12px 86px;max-width:100%}
  .grid-2,.grid-4{grid-template-columns:1fr}
  .kpi .value{font-size:22px}
  .page-head h2{font-size:18px}
  .filters{gap:8px}
  .filters .f{flex:1;min-width:calc(50% - 4px)}
  .filters input,.filters select{width:100%}
}
@media (max-width:420px){
  .brand-text{display:none}
  th,td{padding:10px}
}