*,:before,:after{box-sizing:border-box;margin:0;padding:0}:root{--bg:#f8fafc;--surface:#fff;--surface-2:#f1f5f9;--border:#e2e8f0;--border-light:#f1f5f9;--text:#1e293b;--text-muted:#64748b;--text-light:#94a3b8;--primary:#6366f1;--primary-dark:#4f46e5;--primary-light:#eef2ff;--income:#10b981;--income-bg:#ecfdf5;--expense:#f43f5e;--expense-bg:#fff1f2;--warning:#f59e0b;--radius:12px;--radius-sm:8px;--radius-lg:16px;--shadow:0 1px 3px #0000000f, 0 1px 2px #0000000a;--shadow-md:0 4px 6px -1px #00000012, 0 2px 4px -1px #0000000a;--shadow-lg:0 10px 15px -3px #00000014, 0 4px 6px -2px #00000008;--sidebar-w:240px;--header-h:56px}html{font-size:15px}body{background:var(--bg);color:var(--text);min-height:100vh;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;line-height:1.6}.app-shell{min-height:100vh;display:flex}.sidebar{width:var(--sidebar-w);background:var(--surface);border-right:1px solid var(--border);z-index:100;flex-direction:column;height:100vh;transition:transform 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12px;display:flex}.user-avatar{background:var(--primary);color:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:34px;height:34px;font-size:14px;font-weight:600;display:flex}.user-meta{min-width:0}.user-name{color:var(--text);white-space:nowrap;text-overflow:ellipsis;font-size:13px;font-weight:600;overflow:hidden}.user-email{color:var(--text-muted);white-space:nowrap;text-overflow:ellipsis;font-size:11px;overflow:hidden}.logout-btn{border-radius:var(--radius-sm);cursor:pointer;width:100%;color:var(--text-muted);background:0 0;border:none;align-items:center;gap:8px;padding:9px 12px;font-size:13px;font-weight:500;transition:all .15s;display:flex}.logout-btn:hover{background:var(--expense-bg);color:var(--expense)}.mobile-header{height:var(--header-h);background:var(--surface);border-bottom:1px solid var(--border);z-index:200;justify-content:space-between;align-items:center;padding:0 16px;display:none;position:fixed;top:0;left:0;right:0}.hamburger{cursor:pointer;background:0 0;border:none;flex-direction:column;gap:4px;padding:6px;display:flex}.hamburger span{background:var(--text);border-radius:2px;width:20px;height:2px;display:block}.sidebar-overlay{z-index:99;background:#0000004d;display:none;position:fixed;inset:0}.main-content{margin-left:var(--sidebar-w);flex:1;min-width:0}.content-inner{max-width:1100px;padding:32px}.auth-page{background:var(--bg);justify-content:center;align-items:center;min-height:100vh;padding:24px;display:flex}.auth-card{background:var(--surface);border-radius:var(--radius-lg);width:100%;max-width:400px;box-shadow:var(--shadow-lg);padding:36px}.auth-logo{text-align:center;margin-bottom:28px}.logo-icon{margin-bottom:8px;font-size:40px}.logo-text{color:var(--text);letter-spacing:-.5px;font-size:22px;font-weight:800}.logo-sub{color:var(--text-muted);margin-top:4px;font-size:13px}.auth-form{flex-direction:column;gap:16px;display:flex}.form-title{color:var(--text);margin-bottom:4px;font-size:18px;font-weight:700}.auth-switch{text-align:center;color:var(--text-muted);margin-top:20px;font-size:13px}.auth-switch 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0;border:none;padding:2px;font-size:14px;position:absolute;top:50%;right:12px;transform:translateY(-50%)}.input-prefix{align-items:center;display:flex}.input-prefix .prefix{background:var(--surface-2);border:1.5px solid var(--border);border-radius:var(--radius-sm) 0 0 var(--radius-sm);color:var(--text-muted);white-space:nowrap;border-right:none;padding:10px 12px;font-size:13px;font-weight:600}.input-prefix input{border-radius:0 var(--radius-sm) var(--radius-sm) 0}.input-sm{border:1.5px solid var(--border);border-radius:var(--radius-sm);color:var(--text);background:var(--surface);outline:none;padding:8px 12px;font-family:inherit;font-size:13px}.input-sm:focus{border-color:var(--primary)}.select-sm{border:1.5px solid var(--border);border-radius:var(--radius-sm);color:var(--text);background:var(--surface);cursor:pointer;outline:none;padding:8px 12px;font-family:inherit;font-size:13px}.form-row{grid-template-columns:1fr 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var(--border);box-shadow:var(--shadow);padding:20px;position:relative;overflow:hidden}.summary-card:before{content:"";height:3px;position:absolute;top:0;left:0;right:0}.card-balance:before{background:var(--primary)}.card-income:before{background:var(--income)}.card-expense:before{background:var(--expense)}.summary-label{color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;align-items:center;gap:6px;margin-bottom:8px;font-size:12px;font-weight:600;display:flex}.summary-amount{color:var(--text);letter-spacing:-.5px;font-size:22px;font-weight:800}.summary-note{color:var(--text-light);margin-top:4px;font-size:12px}.dot{border-radius:50%;width:8px;height:8px;display:inline-block}.dot-income{background:var(--income)}.dot-expense{background:var(--expense)}.income-color{color:var(--income)}.expense-color{color:var(--expense)}.income-bg{background:var(--income)}.expense-bg{background:var(--expense)}.text-muted{color:var(--text-muted)}.text-light{color:var(--text-light)}.chart-container{padding:8px 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.15s}.import-area:hover{border-color:var(--primary)}.import-placeholder{color:var(--text-muted);flex-direction:column;align-items:center;gap:6px;font-size:13px;display:flex}.import-placeholder span:first-child{font-size:24px}.import-result{border-radius:var(--radius-sm);margin-top:12px;padding:10px 14px;font-size:13px}.import-result.success{background:var(--income-bg);color:var(--income)}.import-result.has-errors{color:var(--warning);background:#fffbeb}.import-result ul{margin-top:6px;padding-left:16px}.error-item{color:var(--expense);margin-top:4px;font-size:12px}.table-wrap{-webkit-overflow-scrolling:touch;overflow-x:auto}.data-table{border-collapse:collapse;width:100%}.data-table th{text-align:left;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;border-bottom:1px solid var(--border);white-space:nowrap;background:var(--surface);padding:10px 12px;font-size:12px;font-weight:700}.data-table td{border-bottom:1px solid var(--border-light);vertical-align:middle;padding:12px;font-size:14px}.data-table tr:last-child td{border-bottom:none}.data-table tr:hover td{background:var(--surface-2)}.t-desc-cell{color:var(--text);font-weight:500}.t-notes{color:var(--text-muted);margin-top:2px;font-size:12px}.amount-cell{white-space:nowrap;font-weight:700}.action-btns{gap:4px;display:flex}.badge{white-space:nowrap;border-radius:20px;padding:3px 10px;font-size:12px;font-weight:600}.badge-income{background:var(--income-bg);color:var(--income)}.badge-expense{background:var(--expense-bg);color:var(--expense)}.cat-badge{white-space:nowrap;border-radius:20px;padding:3px 10px;font-size:12px;font-weight:600}.pagination{border-top:1px solid var(--border-light);justify-content:space-between;align-items:center;margin-top:4px;padding:14px 12px 0;display:flex}.page-info{color:var(--text-muted);font-size:13px}.page-btns{align-items:center;gap:8px;display:flex}.page-num{color:var(--text);padding:0 4px;font-size:14px;font-weight:700}.modal-overlay{z-index:500;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);background:#0f172a66;justify-content:center;align-items:center;padding:20px;display:flex;position:fixed;inset:0}.modal{background:var(--surface);border-radius:var(--radius-lg);width:100%;max-width:500px;max-height:90vh;box-shadow:var(--shadow-lg);animation:.2s modalIn;overflow-y:auto}.modal-sm{max-width:380px}@keyframes modalIn{0%{opacity:0;transform:translateY(-12px)scale(.98)}to{opacity:1;transform:translateY(0)scale(1)}}.modal-header{justify-content:space-between;align-items:center;margin-bottom:16px;padding:20px 20px 0;display:flex}.modal-header h2{color:var(--text);font-size:18px;font-weight:700}.modal-body{flex-direction:column;gap:14px;padding:0 20px;display:flex}.modal-footer{border-top:1px solid var(--border-light);justify-content:flex-end;gap:10px;margin-top:20px;padding:20px;display:flex}.delete-info{color:var(--expense);margin-top:10px;font-size:14px;font-weight:600}.type-toggle{border:1.5px solid var(--border);border-radius:var(--radius-sm);gap:0;display:flex;overflow:hidden}.toggle-btn{cursor:pointer;color:var(--text-muted);background:0 0;border:none;flex:1;padding:9px;font-family:inherit;font-size:13px;font-weight:600;transition:all .15s}.toggle-btn.active{background:var(--primary);color:#fff}.cat-tabs{gap:4px;margin-bottom:20px;display:flex}.tab-btn{border:1.5px solid var(--border);background:var(--surface);cursor:pointer;color:var(--text-muted);border-radius:20px;padding:8px 18px;font-family:inherit;font-size:13px;font-weight:600;transition:all .15s}.tab-btn.active{border-color:var(--primary);color:var(--primary);background:var(--primary-light)}.category-grid{grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:12px;display:grid}.cat-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);transition:box-shadow .15s;overflow:hidden}.cat-card:hover{box-shadow:var(--shadow-md)}.cat-color-bar{height:4px}.cat-body{justify-content:space-between;align-items:center;padding:14px 14px 8px;display:flex}.cat-dot-wrap{align-items:center;gap:8px;display:flex}.cat-dot{border-radius:50%;flex-shrink:0;width:10px;height:10px}.cat-name{color:var(--text);font-size:14px;font-weight:600}.cat-type-badge{border-radius:12px;padding:2px 8px;font-size:11px;font-weight:600}.cat-actions{justify-content:flex-end;gap:4px;padding:0 10px 10px;display:flex}.full-width{grid-column:1/-1}.color-picker-row{align-items:center;gap:12px;display:flex}.color-input{border:1.5px solid var(--border);border-radius:var(--radius-sm);cursor:pointer;width:44px;height:36px;padding:2px}.preset-colors{flex-wrap:wrap;gap:6px;display:flex}.preset-color{cursor:pointer;border:2px solid #0000;border-radius:6px;outline:none;width:24px;height:24px;transition:transform .1s}.preset-color:hover{transform:scale(1.15)}.preset-color.selected{border-color:var(--text);transform:scale(1.1)}.month-picker{align-items:center;gap:8px;display:flex}.loading-state{text-align:center;color:var(--text-muted);padding:40px;font-size:14px}.empty-state{text-align:center;color:var(--text-muted);flex-direction:column;align-items:center;gap:8px;padding:48px 24px;display:flex}.empty-icon{margin-bottom:4px;font-size:36px}.empty-state p{font-size:15px;font-weight:500}.alert{border-radius:var(--radius-sm);padding:10px 14px;font-size:13px;font-weight:500}.alert-error{background:var(--expense-bg);color:var(--expense);border:1px solid #f43f5e33}.alert-success{background:var(--income-bg);color:var(--income);border:1px solid #10b98133}.spinner{border:2px solid #ffffff4d;border-top-color:#fff;border-radius:50%;width:14px;height:14px;animation:.7s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}@media (width<=768px){.mobile-header{display:flex}.sidebar-overlay{display:block}.sidebar{width:260px;transform:translate(-100%)}.sidebar.open{transform:translate(0)}.main-content{padding-top:var(--header-h);margin-left:0}.content-inner{padding:16px}.summary-grid{grid-template-columns:1fr;gap:10px}.summary-amount{font-size:18px}.page-header{flex-direction:column;align-items:flex-start}.summary-bar{flex-wrap:wrap;gap:12px}.sb-divider{display:none}.filters{flex-direction:column;align-items:stretch}.filter-actions{flex-wrap:wrap;margin-left:0}.import-export-panel{grid-template-columns:1fr}.ie-divider{width:100%;height:1px}.form-row{grid-template-columns:1fr}.category-grid{grid-template-columns:1fr 1fr}.modal{border-radius:var(--radius) var(--radius) 0 0;max-width:100%}.modal-overlay{align-items:flex-end;padding:0}.bar-chart{gap:2px}.bar{width:7px}.data-table th:nth-child(4),.data-table td:nth-child(4){display:none}}@media (width<=480px){.category-grid{grid-template-columns:1fr}.auth-card{padding:24px}.summary-bar{flex-direction:column;gap:10px}}