:root{--bg: #f1f5f9;--panel: #ffffff;--text: #0f172a;--muted: #64748b;--border: #e2e8f0;--primary: #2563eb;--out: #dc2626;--in: #16a34a;font-family:-apple-system,BlinkMacSystemFont,PingFang SC,Microsoft YaHei,Segoe UI,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text)}.app{max-width:960px;margin:0 auto;padding:24px 16px 64px}.topbar{display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;margin-bottom:20px}.brand h1{margin:0;font-size:24px}.brand .sub{margin:4px 0 0;color:var(--muted);font-size:13px}.actions{display:flex;flex-wrap:wrap;gap:8px}.btn{border:1px solid var(--border);background:var(--panel);color:var(--text);padding:8px 14px;border-radius:8px;font-size:14px;cursor:pointer;transition:background .15s,border-color .15s}.btn:hover{background:#f8fafc}.btn.primary{background:var(--primary);border-color:var(--primary);color:#fff}.btn.primary:hover{background:#1d4ed8}.btn.ghost{background:transparent}.hidden-file{display:none}.summary{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:20px}.card{background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:16px;display:flex;flex-direction:column;gap:6px}.card-label{color:var(--muted);font-size:13px}.card-value{font-size:22px}.card-value.out{color:var(--out)}.card-value.in{color:var(--in)}.tabs{display:flex;gap:6px;border-bottom:2px solid var(--border);margin-bottom:16px}.tab{border:none;background:transparent;padding:10px 18px;font-size:15px;cursor:pointer;color:var(--muted);border-bottom:2px solid transparent;margin-bottom:-2px}.tab.active{color:var(--primary);border-bottom-color:var(--primary);font-weight:600}.notice{background:#eff6ff;border:1px solid #bfdbfe;color:#1e40af;padding:8px 12px;border-radius:8px;font-size:14px}.panel h2{font-size:16px;margin:0 0 12px}.tx-list{list-style:none;margin:0;padding:0;display:grid;gap:8px}.tx-item{background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:12px 16px;display:flex;align-items:center;justify-content:space-between;gap:12px}.tx-main{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap}.tx-cat{font-weight:600}.tx-note{color:var(--muted);font-size:14px}.tx-date{color:#94a3b8;font-size:13px}.tx-right{display:flex;align-items:center;gap:12px}.tx-amount{font-weight:700;font-variant-numeric:tabular-nums}.tx-amount.out{color:var(--out)}.tx-amount.in{color:var(--in)}.del{border:none;background:transparent;color:#94a3b8;cursor:pointer;font-size:13px}.del:hover{color:var(--out)}.empty{color:var(--muted);background:var(--panel);border:1px dashed var(--border);border-radius:10px;padding:28px;text-align:center}.charts{display:grid;gap:16px}.chart-card{background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:16px}.chart-box{position:relative;height:320px}.modal-mask{position:fixed;top:0;right:0;bottom:0;left:0;background:#0f172a73;display:flex;align-items:center;justify-content:center;padding:16px;z-index:50}.modal{background:var(--panel);border-radius:14px;padding:22px;width:100%;max-width:420px;box-shadow:0 20px 40px #0f172a40}.modal h2{margin:0 0 16px;font-size:18px}.seg{display:grid;grid-template-columns:1fr 1fr;gap:6px;background:#f1f5f9;padding:4px;border-radius:10px;margin-bottom:14px}.seg-btn{border:none;background:transparent;padding:8px;border-radius:8px;cursor:pointer;font-size:14px;color:var(--muted)}.seg-btn.active{background:#fff;color:var(--text);font-weight:600;box-shadow:0 1px 3px #0f172a1f}.field{display:grid;gap:6px;margin-bottom:12px;font-size:14px;color:var(--muted)}.field input,.field select{border:1px solid var(--border);border-radius:8px;padding:9px 10px;font-size:15px;color:var(--text);background:#fff}.field input:focus,.field select:focus{outline:2px solid #bfdbfe;border-color:var(--primary)}.error{color:var(--out);font-size:13px;margin:0 0 10px}.modal-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:8px}@media (max-width: 640px){.summary{grid-template-columns:1fr}.tx-item{flex-direction:column;align-items:flex-start}}