:root{--bg: #f4f5f7;--card: #ffffff;--ink: #1f2329;--muted: #8a9099;--line: #e6e8eb;--primary: #4a90d9;--expense: #e2574c;--income: #5cb88a;--radius: 12px;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(--ink)}.layout{display:grid;grid-template-rows:auto auto 1fr auto;min-height:100vh;max-width:720px;margin:0 auto}.app-header{padding:24px 20px 8px}.app-header h1{margin:0;font-size:24px}.subtitle{margin:4px 0 0;color:var(--muted);font-size:13px}.tabs{display:grid;grid-template-columns:1fr 1fr;gap:8px;padding:12px 20px}.tab{padding:10px;border:1px solid var(--line);background:var(--card);border-radius:var(--radius);font-size:15px;cursor:pointer;color:var(--muted)}.tab.active{color:#fff;background:var(--primary);border-color:var(--primary);font-weight:600}.content{padding:8px 20px 24px}.badges{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:16px}.badge{background:var(--card);border-radius:var(--radius);padding:16px;display:flex;flex-direction:column;gap:6px}.badge-label{font-size:13px;color:var(--muted)}.badge-value{font-size:22px;font-weight:700}.badge-expense .badge-value{color:var(--expense)}.badge-income .badge-value{color:var(--income)}.actions-row{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-bottom:16px}.toolbar{display:flex;gap:8px;margin-left:auto}.btn-primary{padding:10px 16px;border:none;border-radius:var(--radius);background:var(--primary);color:#fff;font-size:15px;font-weight:600;cursor:pointer}.btn-ghost{padding:9px 14px;border:1px solid var(--line);border-radius:var(--radius);background:var(--card);color:var(--ink);font-size:14px;cursor:pointer}.file-label{position:relative;display:inline-flex;align-items:center}.file-label input[type=file]{position:absolute;top:0;right:0;bottom:0;left:0;opacity:0;cursor:pointer}.tx-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}.tx-item{background:var(--card);border-radius:var(--radius);padding:12px 14px;display:flex;justify-content:space-between;align-items:center;gap:12px}.tx-main{display:flex;flex-direction:column;gap:4px;min-width:0}.tx-cat{font-weight:600;font-size:15px}.tx-cat-out{color:var(--ink)}.tx-note{font-size:13px;color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.tx-side{display:flex;align-items:center;gap:10px;flex-shrink:0}.tx-date{font-size:12px;color:var(--muted)}.tx-amount{font-weight:700;font-size:16px}.amount-out{color:var(--expense)}.amount-in{color:var(--income)}.tx-del{width:24px;height:24px;border:none;border-radius:50%;background:var(--bg);color:var(--muted);font-size:16px;line-height:1;cursor:pointer}.tx-del:hover{background:var(--expense);color:#fff}.empty-state{background:var(--card);border-radius:var(--radius);padding:40px 20px;text-align:center}.empty-title{font-size:16px;font-weight:600;margin:0 0 6px}.empty-hint{color:var(--muted);font-size:13px;margin:0 0 16px}.empty-actions{display:flex;gap:8px;justify-content:center}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0006;display:flex;align-items:center;justify-content:center;padding:20px;z-index:50}.modal{background:var(--card);border-radius:var(--radius);padding:20px;width:100%;max-width:380px;display:flex;flex-direction:column;gap:14px}.modal h2{margin:0;font-size:18px}.field{display:flex;flex-direction:column;gap:6px}.field label{font-size:13px;color:var(--muted)}.field input,.field select{padding:10px;border:1px solid var(--line);border-radius:8px;font-size:15px;font-family:inherit}.type-toggle{display:grid;grid-template-columns:1fr 1fr;gap:8px}.type-toggle button{padding:9px;border:1px solid var(--line);background:var(--bg);border-radius:8px;cursor:pointer;font-size:14px}.type-toggle button.active{background:var(--primary);color:#fff;border-color:var(--primary)}.form-error{color:var(--expense);font-size:13px;margin:0}.modal-actions{display:flex;justify-content:flex-end;gap:8px}.import-notice{background:#fff8e6;border:1px solid #f0d999;border-radius:var(--radius);padding:12px 14px;margin-bottom:16px;font-size:13px}.import-notice p{margin:0 0 6px}.import-notice ul{margin:0 0 8px;padding-left:18px;color:var(--expense)}.charts{display:flex;flex-direction:column;gap:16px}.chart-card{background:var(--card);border-radius:var(--radius);padding:16px}.chart-card h3{margin:0 0 12px;font-size:15px}.chart-canvas-wrap{position:relative;height:280px}.chart-empty{color:var(--muted);font-size:13px;text-align:center;padding:40px 0;margin:0}.app-footer{padding:16px 20px;text-align:center;color:var(--muted);font-size:12px}