:root{
  --blue:#0066ff; --blue-d:#0052cc; --bg:#f5f7fb; --card:#fff;
  --line:#e6eaf2; --text:#1f2733; --muted:#8a94a6; --red:#e5484d; --green:#1a9c5b; --orange:#e8830c;
}
*{box-sizing:border-box}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
  background:var(--bg);color:var(--text);font-size:14px;line-height:1.6}
a{color:var(--blue);text-decoration:none}
.topbar{display:flex;align-items:center;gap:18px;background:var(--blue);color:#fff;padding:0 20px;height:54px;
  box-shadow:0 2px 8px rgba(0,102,255,.18)}
.brand{font-weight:700;font-size:17px;letter-spacing:.5px}
.nav{display:flex;gap:4px;flex:1}
.nav-item{color:rgba(255,255,255,.82);padding:8px 12px;border-radius:8px;font-size:14px}
.nav-item:hover{background:rgba(255,255,255,.15);color:#fff}
.nav-item.active{background:#fff;color:var(--blue);font-weight:600}
.logout{color:#fff;opacity:.85;font-size:13px}
.container{max-width:1040px;margin:22px auto;padding:0 16px;display:flex;flex-direction:column;gap:16px}

.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px;box-shadow:0 1px 3px rgba(20,30,60,.04)}
.card-title{font-weight:600;font-size:15px;margin-bottom:12px}
.muted{color:var(--muted);font-size:13px}.small{font-size:12px}

.grid-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.stat-card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px}
.stat-label{color:var(--muted);font-size:13px}
.stat-value{font-size:24px;font-weight:700;margin-top:6px}
.stat-value.income{color:var(--green)}.stat-value.expense{color:var(--red)}
.quick-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap}

.tbl{width:100%;border-collapse:collapse;font-size:13.5px}
.tbl th,.tbl td{padding:10px 8px;text-align:left;border-bottom:1px solid var(--line)}
.tbl th{color:var(--muted);font-weight:600;font-size:12.5px}
.tbl tr:hover td{background:#fafbff}
.tbl .r{text-align:right}.income{color:var(--green)}.expense{color:var(--red)}
.mono{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:12px}

.tag{display:inline-block;padding:2px 9px;border-radius:999px;font-size:12px;font-weight:600}
.tag-gray{background:#eef1f6;color:#6b7585}
.tag-blue{background:#e7f0ff;color:var(--blue)}
.tag-green{background:#e6f7ee;color:var(--green)}
.tag-red{background:#fdecec;color:var(--red)}
.tag-orange{background:#fdf0e0;color:var(--orange)}
.badge{background:#fff;color:var(--blue);border-radius:999px;padding:1px 7px;font-size:11px;margin-left:3px;font-weight:700}

.btn{display:inline-block;background:#eef2fb;color:var(--blue);border:1px solid var(--line);
  padding:8px 16px;border-radius:10px;cursor:pointer;font-size:14px;font-weight:600}
.btn:hover{background:#e3eafc}
.btn-primary{background:var(--blue);color:#fff;border-color:var(--blue)}
.btn-primary:hover{background:var(--blue-d)}
.btn-danger{background:var(--red);border-color:var(--red);color:#fff}
.mini{display:inline-block;padding:3px 8px;border:1px solid var(--line);border-radius:7px;font-size:12px;color:#566}
.mini:hover{background:#f0f3fa}
.mini.danger{color:var(--red);border-color:#f3cccc}

.form label{display:block;margin:12px 0 5px;font-size:13px;color:#46506a;font-weight:600}
.form input,.form select,.filter input,.filter select{width:100%;padding:9px 11px;border:1px solid var(--line);
  border-radius:10px;font-size:14px;background:#fff;color:var(--text)}
.form input:focus,.form select:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(0,102,255,.12)}
.chk{display:flex;align-items:center;gap:8px;font-weight:600;margin:14px 0 6px}
.chk input{width:auto}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.ll-block{background:#f7faff;border:1px dashed #bcd3ff;border-radius:12px;padding:14px;margin-top:10px}

.seg{display:flex;gap:8px;margin-bottom:6px}
.seg label{margin:0;flex:1;text-align:center;padding:9px;border:1px solid var(--line);border-radius:10px;cursor:pointer;font-weight:600}
.seg input{display:none}
.seg input:checked+*{}
.seg label:has(input:checked){background:var(--blue);color:#fff;border-color:var(--blue)}

.flash{padding:11px 14px;border-radius:10px;margin-bottom:4px;font-size:14px}
.flash-ok{background:#e6f7ee;color:var(--green);border:1px solid #bfe9cf}
.flash-err{background:#fdecec;color:var(--red);border:1px solid #f5c2c2}

.filter{display:flex;gap:10px;flex-wrap:wrap;align-items:flex-end}
.filter select,.filter input{padding:8px 10px}
.filter .btn{white-space:nowrap}

.pager{display:flex;gap:6px;flex-wrap:wrap;margin-top:14px}
.pg{padding:6px 11px;border:1px solid var(--line);border-radius:8px;font-size:13px;color:#566}
.pg.cur{background:var(--blue);color:#fff;border-color:var(--blue)}
.stat-row{display:flex;gap:18px;flex-wrap:wrap}
.mini-stat{display:flex;flex-direction:column}
.mini-stat b{font-size:20px}
code{background:#eef1f6;padding:1px 6px;border-radius:5px;font-size:12.5px}

@media(max-width:720px){
  .grid-stats{grid-template-columns:1fr 1fr}
  .grid-2{grid-template-columns:1fr}
  .nav{overflow-x:auto}
}