:root{
  --bg:#f3f5fa;
  --card:#ffffff;
  --text:#111827;
  --muted:#6b7280;
  --line:#e8ebf2;
  --primary:#4f46e5;
  --primary-soft:#eef0ff;
  --in:#0ea472;
  --in-soft:#e6f7f1;
  --out:#ef4565;
  --out-soft:#fdeaee;
  --radius:16px;
  --shadow:0 2px 10px rgba(17,24,39,.05);
  --safe-b:env(safe-area-inset-bottom,0px);
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;padding:0}
body{
  background:var(--bg);color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:15px;line-height:1.5;overflow-x:hidden;
}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
button{border:none;background:none;padding:0;cursor:pointer}
.hidden{display:none !important}
.muted{color:var(--muted)}
.small{font-size:12.5px}
.in{color:var(--in)}
.out{color:var(--out)}
.pad{height:96px}

/* ---------- 顶栏 ---------- */
.topbar{
  position:sticky;top:0;z-index:40;background:rgba(243,245,250,.92);
  backdrop-filter:saturate(180%) blur(12px);
  display:flex;align-items:center;justify-content:space-between;
  padding:calc(env(safe-area-inset-top,0px) + 10px) 14px 10px;
}
.book-switch{
  display:flex;align-items:center;gap:7px;background:var(--card);
  padding:7px 12px;border-radius:999px;box-shadow:var(--shadow);font-weight:600;max-width:70vw;
}
.book-dot{width:9px;height:9px;border-radius:50%;background:var(--primary);flex:none}
.book-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.chev{color:var(--muted);flex:none}
.icon-btn{width:36px;height:36px;border-radius:50%;background:var(--card);display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow);color:var(--muted)}

/* ---------- 视图 ---------- */
.view{display:none;padding:0 14px}
.view.active{display:block;animation:fade .18s ease}
@keyframes fade{from{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}

/* ---------- 余额卡 ---------- */
.balance-card{
  background:linear-gradient(135deg,#4f46e5,#7c5cf5 55%,#9b6dff);
  color:#fff;border-radius:20px;padding:18px 18px 16px;box-shadow:0 8px 24px rgba(79,70,229,.25);
}
.bc-top{display:flex;align-items:center;justify-content:space-between}
.bc-label{font-size:13px;opacity:.85}
.bc-eye{color:#fff;opacity:.85;display:flex}
.bc-amount{font-size:34px;font-weight:700;letter-spacing:.5px;margin:6px 0 14px;font-variant-numeric:tabular-nums}
.bc-sub{display:flex;align-items:center;background:rgba(255,255,255,.14);border-radius:12px;padding:9px 0}
.bc-sub-item{flex:1;text-align:center;font-size:12px;opacity:.9}
.bc-sub-item b{display:block;font-size:14.5px;margin-top:2px;font-variant-numeric:tabular-nums}
.bc-sub-item b.in,.bc-sub-item b.out{color:#fff}
.bc-divider{width:1px;height:24px;background:rgba(255,255,255,.25)}

/* ---------- 筛选 ---------- */
.filter-bar{margin-top:12px}
.seg{display:flex;background:var(--card);border-radius:12px;padding:3px;box-shadow:var(--shadow);gap:2px}
.seg.small{background:#e9edf6;box-shadow:none}
.seg-btn{flex:1;padding:7px 4px;border-radius:9px;font-size:13.5px;color:var(--muted);font-weight:500;white-space:nowrap}
.seg-btn.active{background:var(--primary);color:#fff;font-weight:600}
.seg.small .seg-btn.active{background:var(--card);color:var(--primary)}
.seg.tiny{padding:2px;width:auto;background:#eef1f8}
.seg.tiny .seg-btn{padding:4px 12px;font-size:12.5px}
.filter-row{display:flex;align-items:center;gap:8px;margin-top:8px}
.mini-select{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:7px 10px;font-size:13.5px;box-shadow:var(--shadow)}
.sum-chip{margin-left:auto;font-size:12.5px;color:var(--muted);font-variant-numeric:tabular-nums}
.custom-range{display:flex;align-items:center;gap:8px;margin-top:8px;background:var(--card);padding:8px 10px;border-radius:12px;box-shadow:var(--shadow)}
.custom-range input{flex:1;border:none;background:#f4f6fb;padding:6px 8px;border-radius:8px;font-size:13.5px}

.section-title{display:flex;align-items:baseline;justify-content:space-between;margin:18px 2px 8px;font-weight:600;font-size:14.5px}
.section-title .muted{font-weight:400;font-size:12.5px}

/* ---------- 流水列表 ---------- */
.txn-list{display:flex;flex-direction:column;gap:8px}
.day-group{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}
.day-head{display:flex;justify-content:space-between;padding:9px 14px;font-size:12.5px;color:var(--muted);background:#fafbfe;border-bottom:1px solid var(--line)}
.day-head b{color:var(--text);font-variant-numeric:tabular-nums}
.txn-item{display:flex;align-items:center;gap:11px;padding:12px 14px;border-bottom:1px solid var(--line);cursor:pointer}
.txn-item:last-child{border-bottom:none}
.txn-item:active{background:#f7f8fc}
.txn-ico{width:38px;height:38px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:17px;flex:none;background:var(--out-soft)}
.txn-ico.in{background:var(--in-soft)}
.txn-main{flex:1;min-width:0}
.txn-cat{font-weight:600;font-size:14.5px;display:flex;align-items:center;gap:5px}
.txn-cat .tag{font-size:10.5px;background:#eef1f8;color:var(--muted);padding:1px 5px;border-radius:5px;font-weight:500}
.txn-meta{font-size:12px;color:var(--muted);margin-top:1px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.txn-amt{font-weight:700;font-variant-numeric:tabular-nums;font-size:15.5px;flex:none}
.txn-amt.in{color:var(--in)}
.txn-amt.out{color:var(--out)}

.empty{text-align:center;padding:50px 20px;color:var(--muted)}
.empty-ico{font-size:44px;margin-bottom:8px}

/* ---------- 统计 ---------- */
.stat-range-bar{display:flex;align-items:center;justify-content:center;gap:16px;margin-top:10px}
.nav-arrow{width:32px;height:32px;border-radius:50%;background:var(--card);box-shadow:var(--shadow);font-size:20px;color:var(--muted);line-height:1}
.range-label{font-weight:600;font-size:15px;padding:6px 14px;border-radius:10px;background:var(--card);box-shadow:var(--shadow)}
.stat-cards{display:flex;gap:8px;margin-top:12px}
.sc{flex:1;background:var(--card);border-radius:var(--radius);padding:12px 8px;text-align:center;box-shadow:var(--shadow)}
.sc span{font-size:12px;color:var(--muted)}
.sc b{display:block;margin-top:4px;font-size:15.5px;font-variant-numeric:tabular-nums}
.chart-card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:14px;margin-top:12px}
.cc-title{display:flex;align-items:center;justify-content:space-between;font-weight:600;font-size:14px;margin-bottom:12px}
.chart{width:100%;overflow-x:auto}
.chart svg{display:block;max-width:100%}
.chart-pie{flex:none}
.pie-wrap{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.pie-legend{flex:1;min-width:150px;display:flex;flex-direction:column;gap:6px}
.lg-item{display:flex;align-items:center;gap:7px;font-size:13px}
.lg-dot{width:9px;height:9px;border-radius:3px;flex:none}
.lg-name{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.lg-val{color:var(--muted);font-variant-numeric:tabular-nums;font-size:12.5px}
.lg-pct{width:42px;text-align:right;font-variant-numeric:tabular-nums;font-size:12.5px}
.rank-list{display:flex;flex-direction:column;gap:10px}
.rank-item{display:flex;align-items:center;gap:9px}
.rank-name{width:74px;font-size:13px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;flex:none}
.rank-bar{flex:1;height:9px;background:#f0f2f8;border-radius:6px;overflow:hidden}
.rank-fill{height:100%;border-radius:6px}
.rank-val{width:82px;text-align:right;font-size:12.5px;font-variant-numeric:tabular-nums;flex:none}

/* ---------- 账本 ---------- */
.book-list{display:flex;flex-direction:column;gap:9px}
.book-item{display:flex;align-items:center;gap:12px;background:var(--card);border-radius:var(--radius);padding:14px;box-shadow:var(--shadow)}
.book-item.active{border:2px solid var(--primary)}
.book-ico{width:42px;height:42px;border-radius:13px;display:flex;align-items:center;justify-content:center;font-size:20px;color:#fff;flex:none}
.book-info{flex:1;min-width:0}
.book-info b{font-size:15px}
.book-info .muted{font-size:12px;display:block;margin-top:1px}
.book-bal{font-weight:700;font-variant-numeric:tabular-nums;font-size:15px;text-align:right}
.ghost-btn{width:100%;margin-top:12px;padding:13px;border-radius:var(--radius);border:1.5px dashed #c9d0e2;color:var(--primary);font-weight:600;background:transparent}
.tips-card{background:#fff8e8;border:1px solid #ffe9b8;border-radius:var(--radius);padding:12px 14px;margin-top:14px;font-size:13px;color:#7a5b12}
.tips-card b{display:block;margin-bottom:4px}
.tips-card p{margin:0;line-height:1.6}
.tips-card p+p{margin-top:6px}

/* ---------- 我的 ---------- */
.me-card{display:flex;align-items:center;gap:12px;background:var(--card);border-radius:var(--radius);padding:14px;box-shadow:var(--shadow)}
.me-avatar{width:46px;height:46px;border-radius:14px;background:linear-gradient(135deg,#4f46e5,#9b6dff);color:#fff;display:flex;align-items:center;justify-content:center;font-size:22px;font-weight:700}
.me-title{font-weight:600;font-size:16px}
.group{margin-top:16px}
.group-title{font-size:12.5px;color:var(--muted);margin:0 4px 6px}
.cell{display:flex;align-items:center;justify-content:space-between;background:var(--card);padding:14px;border-radius:12px;margin-bottom:8px;box-shadow:var(--shadow);font-size:14.5px}
.cell:active{background:#f7f8fc}
.cell i{color:#c3c9d8;font-style:normal;font-size:18px}
.cell.danger span{color:#e5484d}

/* ---------- 底部导航 ---------- */
.tabbar{
  position:fixed;left:0;right:0;bottom:0;z-index:50;
  background:rgba(255,255,255,.96);backdrop-filter:blur(12px);
  border-top:1px solid var(--line);
  display:flex;align-items:center;padding:6px 4px calc(var(--safe-b) + 6px);
}
.tab{flex:1;display:flex;flex-direction:column;align-items:center;gap:2px;color:#9aa1b4;font-size:11px;padding:4px 0}
.tab.active{color:var(--primary)}
.fab-slot{width:64px;display:flex;justify-content:center}
.fab{
  width:52px;height:52px;border-radius:50%;margin-top:-22px;
  background:linear-gradient(135deg,#4f46e5,#8b5cf6);color:#fff;font-size:30px;font-weight:300;
  display:flex;align-items:center;justify-content:center;box-shadow:0 6px 18px rgba(79,70,229,.4);
}
.fab:active{transform:scale(.94)}

/* ---------- 弹层 ---------- */
.mask{position:fixed;inset:0;background:rgba(17,24,39,.42);z-index:60;opacity:0;pointer-events:none;transition:opacity .2s}
.mask.show{opacity:1;pointer-events:auto}
.sheet{
  position:fixed;left:0;right:0;bottom:0;z-index:70;background:#fff;
  border-radius:20px 20px 0 0;transform:translateY(100%);transition:transform .24s cubic-bezier(.32,.72,0,1);
  max-height:92vh;display:flex;flex-direction:column;
}
.sheet.show{transform:translateY(0)}
.small-sheet{max-height:70vh}
.sheet-head{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;border-bottom:1px solid var(--line);font-size:15px}
.sheet-head b{font-size:15.5px}
.link-btn{color:var(--muted);font-size:14.5px;padding:4px 2px}
.link-btn.primary{color:var(--primary);font-weight:600}
.sheet-body{padding:14px 16px calc(var(--safe-b) + 20px);overflow-y:auto;-webkit-overflow-scrolling:touch}

.amount-box{display:flex;align-items:center;gap:8px;border-bottom:2px solid var(--primary);padding:10px 0;margin:14px 0 18px}
.amount-box .cur{font-size:24px;color:var(--muted);font-weight:600}
.amount-box input{flex:1;border:none;outline:none;font-size:34px;font-weight:700;font-variant-numeric:tabular-nums;min-width:0}
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;color:var(--muted);margin-bottom:7px}
.field.row{display:flex;gap:12px}
.f-col{flex:1}
.f-col input{width:100%;border:1px solid var(--line);background:#f7f8fc;border-radius:11px;padding:11px 12px;outline:none}
#txnNote{width:100%;border:1px solid var(--line);background:#f7f8fc;border-radius:11px;padding:11px 12px;outline:none;resize:vertical;font-size:15px}
.chips{display:flex;flex-wrap:wrap;gap:7px}
.chip{padding:7px 13px;border-radius:999px;background:#f2f4fa;font-size:13.5px;color:#4b5563}
.chip.active{background:var(--primary);color:#fff;font-weight:600}
.chip.add{background:var(--primary-soft);color:var(--primary)}
.attach-grid{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:9px}
.att{position:relative;width:72px;height:72px;border-radius:11px;overflow:hidden;background:#f2f4fa;display:flex;align-items:center;justify-content:center}
.att img{width:100%;height:100%;object-fit:cover}
.att .file-ico{font-size:22px}
.att .att-name{position:absolute;bottom:0;left:0;right:0;background:rgba(0,0,0,.55);color:#fff;font-size:9.5px;padding:2px 3px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.att .del{position:absolute;top:2px;right:2px;width:19px;height:19px;border-radius:50%;background:rgba(0,0,0,.6);color:#fff;font-size:12px;display:flex;align-items:center;justify-content:center}
.attach-actions{display:flex;gap:8px}
.mini-btn{flex:1;padding:10px;border-radius:11px;background:#f2f4fa;font-size:13.5px;color:#4b5563;font-weight:500}
.danger-btn{width:100%;padding:13px;border-radius:12px;background:var(--out-soft);color:var(--out);font-weight:600;margin-top:4px}

.viewer{position:fixed;inset:0;z-index:90;background:#000;display:none;align-items:center;justify-content:center}
.viewer.show{display:flex}
.viewer img{max-width:100%;max-height:100%}
.viewer-close{position:absolute;top:calc(env(safe-area-inset-top,0px) + 14px);right:14px;width:36px;height:36px;border-radius:50%;background:rgba(255,255,255,.2);color:#fff;font-size:17px}

.dialog{position:fixed;left:50%;top:50%;transform:translate(-50%,-50%) scale(.9);z-index:80;background:#fff;border-radius:16px;padding:18px;width:82%;max-width:340px;opacity:0;pointer-events:none;transition:.18s}
.dialog.show{opacity:1;pointer-events:auto;transform:translate(-50%,-50%) scale(1)}
.dialog b{display:block;margin-bottom:12px;font-size:15px}
.dialog input{width:100%;border:1px solid var(--line);background:#f7f8fc;border-radius:11px;padding:11px 12px;outline:none}
.dialog-btns{display:flex;justify-content:flex-end;gap:16px;margin-top:16px}

.toast{
  position:fixed;left:50%;bottom:calc(var(--safe-b) + 90px);transform:translateX(-50%) translateY(10px);
  background:rgba(17,24,39,.9);color:#fff;padding:10px 18px;border-radius:999px;font-size:14px;
  z-index:100;opacity:0;pointer-events:none;transition:.2s;max-width:80vw;text-align:center;
}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

.detail-row{display:flex;justify-content:space-between;padding:11px 0;border-bottom:1px solid var(--line);font-size:14.5px}
.detail-row span:first-child{color:var(--muted);flex:none}
.detail-row span:last-child{text-align:right;word-break:break-all;max-width:64%}
.detail-amount{text-align:center;padding:18px 0 22px}
.detail-amount .a{font-size:32px;font-weight:700;font-variant-numeric:tabular-nums}
.detail-amount .c{font-size:13.5px;color:var(--muted);margin-top:2px}
.detail-att{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px}
.detail-att .att{width:78px;height:78px}

/* ---------- 登录 / 口令 ---------- */
.auth-layer{position:fixed;inset:0;z-index:200;background:linear-gradient(160deg,#4f46e5,#8b5cf6);display:flex;align-items:center;justify-content:center;padding:24px}
.auth-layer.hidden{display:none}
.auth-box{width:100%;max-width:340px;background:#fff;border-radius:20px;padding:28px 22px 22px;text-align:center;box-shadow:0 20px 50px rgba(0,0,0,.28)}
.auth-logo{width:60px;height:60px;margin:0 auto 12px;border-radius:18px;background:linear-gradient(135deg,#4f46e5,#9b6dff);color:#fff;font-size:30px;font-weight:700;display:flex;align-items:center;justify-content:center}
.auth-box h2{margin:0 0 6px;font-size:19px}
.auth-box input{width:100%;border:1px solid var(--line);background:#f7f8fc;border-radius:11px;padding:12px;margin-top:10px;outline:none;text-align:center;font-size:16px}
.auth-err{color:var(--out);font-size:13px;min-height:19px;margin-top:8px}
.auth-btn{width:100%;margin-top:6px;padding:13px;border-radius:12px;background:linear-gradient(135deg,#4f46e5,#8b5cf6);color:#fff;font-weight:600;font-size:16px}

@media(min-width:600px){
  .view,#app>section{max-width:560px;margin:0 auto}
  .topbar>*{max-width:560px}
  .topbar{max-width:560px;margin:0 auto;left:0;right:0}
  .tabbar{max-width:560px;margin:0 auto;left:0;right:0;border-radius:16px 16px 0 0}
  .sheet{max-width:560px;margin:0 auto;border-radius:20px 20px 0 0}
}