@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Noto+Sans+TC:wght@300;400;500;600;700&display=swap";
:root{--bg-primary:#fff;--bg-secondary:#f3f4f6;--bg-tertiary:#f9fafb;--bg-card:#fff;--bg-card-hover:#f9fafb;--bg-input:#f3f4f6;--bg-sidebar:#fbfbfb;--text-primary:#111827;--text-secondary:#6b7280;--text-muted:#9ca3af;--text-accent:#6366f1;--accent-primary:#3b82f6;--accent-primary-hover:#2563eb;--accent-secondary:#8b5cf6;--accent-gradient:linear-gradient(135deg,#3b82f6,#4f46e5);--income-color:#10b981;--income-bg:#10b9811a;--expense-color:#ef4444;--expense-bg:#ef44441a;--balance-color:#06b6d4;--balance-bg:#06b6d41a;--savings-color:#f59e0b;--savings-bg:#f59e0b1a;--border-color:#e5e7eb;--border-color-light:#f3f4f6;--border-color-focus:#3b82f680;--shadow-sm:0 1px 2px #0000000d;--shadow-md:0 4px 6px -1px #0000001a,0 2px 4px -1px #0000000f;--shadow-lg:0 10px 15px -3px #0000001a,0 4px 6px -2px #0000000d;--radius-sm:6px;--radius-md:8px;--radius-lg:12px;--sidebar-collapsed-width:70px;--sidebar-expanded-width:230px;--sidebar-width:var(--sidebar-collapsed-width);--chat-width:380px;--chat-collapsed-width:48px;--topbar-height:60px;--transition-fast:.15s ease;--transition-normal:.2s ease;--transition-sidebar:.3s cubic-bezier(.4,0,.2,1)}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{-webkit-font-smoothing:antialiased;font-size:14px}body{background:var(--bg-primary);color:var(--text-primary);min-height:100vh;font-family:Noto Sans TC,Inter,-apple-system,sans-serif;overflow-x:hidden}h1,h2,h3,h4,h5,h6{color:var(--text-primary);font-family:Inter,Noto Sans TC,sans-serif;font-weight:600}a{color:var(--text-accent);text-decoration:none}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:#00000014;border-radius:3px}.app-layout{background:var(--bg-secondary);width:100vw;height:100vh;display:flex;overflow:hidden}.sidebar{width:var(--sidebar-collapsed-width);min-width:var(--sidebar-collapsed-width);z-index:100;height:100%;transition:width var(--transition-sidebar),min-width var(--transition-sidebar),background-color var(--transition-sidebar),box-shadow var(--transition-sidebar);background:#ededf0;border-right:1px solid #0000000f;border-radius:0;flex-direction:column;flex-shrink:0;display:flex;position:relative;overflow:hidden}.sidebar:hover{width:var(--sidebar-expanded-width);min-width:var(--sidebar-expanded-width);background:#fff;box-shadow:4px 0 24px #00000014}.sidebar-header{white-space:nowrap;flex-shrink:0;align-items:center;gap:12px;padding:20px 0 20px 21px;display:flex}.sidebar-logo-container{align-items:center;gap:12px;display:flex;overflow:hidden}.sidebar-logo-img{object-fit:contain;border-radius:6px;flex-shrink:0;width:28px;height:28px}.sidebar-title{color:#1a1a1a;letter-spacing:-.02em;opacity:0;font-family:Inter,sans-serif;font-size:1.15rem;font-weight:700;transition:opacity .2s,transform .2s;transform:translate(-10px)}.sidebar:hover .sidebar-title{opacity:1;transition-delay:.1s;transform:translate(0)}.sidebar-nav{flex-direction:column;flex:1;gap:4px;padding:6px 12px;display:flex;overflow:hidden auto}.nav-item{color:#5a5a66;cursor:pointer;white-space:nowrap;background:0 0;border:none;border-radius:12px;align-items:center;gap:14px;width:100%;padding:11px 12px;font-family:inherit;font-size:.92rem;font-weight:500;text-decoration:none;transition:all .2s;display:flex;position:relative}.nav-item:hover{color:#1a1a1a;background:#0000000d}.sidebar:hover .nav-item:hover{background:#f5f5f7}.nav-item.active{color:#1a1a1a;background:#fff;box-shadow:0 1px 4px #00000014}.sidebar:hover .nav-item.active{color:#fff;background:#1a1a1a;box-shadow:0 2px 8px #00000026}.nav-item .nav-icon{flex-shrink:0;justify-content:center;align-items:center;width:22px;height:22px;display:flex}.nav-item .nav-label{opacity:0;transition:opacity .2s,transform .2s;transform:translate(-10px)}.sidebar:hover .nav-label{opacity:1;transition-delay:50ms;transform:translate(0)}.nav-active-indicator{opacity:0;justify-content:center;align-items:center;margin-left:auto;transition:opacity .2s;display:flex}.sidebar:hover .nav-active-indicator{opacity:.6}.sidebar-bottom-area{flex-direction:column;flex-shrink:0;gap:8px;padding:8px 12px 16px;display:flex}.sidebar-footer{justify-content:space-between;align-items:center;margin-top:4px;padding:10px 4px;display:flex}.sidebar:hover .sidebar-footer{border-top:1px solid #0000000f;padding:12px 4px}.user-section-btn{cursor:default;border-radius:10px;flex:1;align-items:center;gap:12px;min-width:0;padding:6px;transition:background .2s;display:flex}.user-avatar{color:#fff;background:linear-gradient(135deg,#3a3a4a,#556);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:32px;height:32px;font-size:.8rem;font-weight:600;display:flex}.user-details{opacity:0;flex-direction:column;width:0;min-width:0;transition:opacity .2s,transform .2s;display:flex;transform:translate(-10px)}.sidebar:hover .user-details{opacity:1;width:auto;transition-delay:50ms;transform:translate(0)}.user-name{color:#1a1a1a;white-space:nowrap;text-overflow:ellipsis;font-size:.82rem;font-weight:600;overflow:hidden}.user-role{color:#9ca3af;white-space:nowrap;text-overflow:ellipsis;font-size:.68rem;overflow:hidden}.logout-btn{color:#b0b0b8;cursor:pointer;opacity:0;visibility:hidden;z-index:20;background:0 0;border:none;border-radius:8px;flex-shrink:0;justify-content:center;align-items:center;padding:8px;transition:all .2s;display:flex}.sidebar:hover .logout-btn{opacity:1;visibility:visible;transition-delay:0s}.logout-btn:hover{color:#f43f5e;background:#f43f5e14}.main-content{background:var(--bg-primary);border-right:1px solid var(--border-color);flex-direction:column;flex:1;min-width:0;height:100%;display:flex;overflow-y:auto}.topbar{height:var(--topbar-height);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border-bottom:1px solid var(--border-color);z-index:50;background:#fffc;flex-shrink:0;align-items:center;gap:16px;padding:0 28px;display:flex;position:sticky;top:0}.menu-toggle{color:var(--text-secondary);cursor:pointer;border-radius:var(--radius-sm);background:0 0;border:none;padding:6px;display:none}.topbar-title{color:var(--text-primary);letter-spacing:-.02em;font-size:1.2rem;font-weight:700}.topbar-actions{align-items:center;gap:12px;margin-left:auto;display:flex}.page-content{flex:1;padding:28px;animation:.3s fadeIn}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.btn{border-radius:var(--radius-sm);cursor:pointer;transition:all var(--transition-fast);white-space:nowrap;border:none;align-items:center;gap:8px;padding:10px 20px;font-family:inherit;font-size:.9rem;font-weight:600;display:inline-flex}.btn-primary{background:var(--accent-gradient);color:#fff;box-shadow:0 2px 12px #6366f14d}.btn-primary:hover{transform:translateY(-1px);box-shadow:0 4px 20px #6366f166}.btn-outline{color:var(--text-secondary);border:1px solid var(--border-color-light);background:0 0}.btn-outline:hover{color:var(--text-primary);border-color:var(--border-color-focus);background:#0000000d}.btn-ghost{color:var(--text-secondary);background:0 0}.btn-ghost:hover{color:var(--text-primary);background:#ffffff0d}.btn-danger{color:#fff;background:linear-gradient(135deg,#f43f5e,#e11d48);box-shadow:0 2px 12px #f43f5e4d}.btn-danger:hover{transform:translateY(-1px);box-shadow:0 4px 20px #f43f5e66}.btn-sm{padding:6px 14px;font-size:.82rem}.btn-new-account{color:#171717;letter-spacing:.02em;background:#fff;border:1px solid #e5e7eb;border-radius:12px;padding:12px 24px;font-size:1rem;font-weight:600;transition:all .3s cubic-bezier(.4,0,.2,1);position:relative;overflow:hidden;box-shadow:0 4px 15px #0000000d,0 2px 4px #00000005}.btn-new-account:before{content:"";pointer-events:none;background:linear-gradient(#00000005,#0000);height:100%;position:absolute;top:0;left:0;right:0}.btn-new-account:hover{color:#fff;background:#171717;border-color:#171717;transform:translateY(-2px);box-shadow:0 8px 25px #00000026,0 4px 12px #0000001a}.btn-new-account:hover:before{opacity:0}.btn-new-account:active{color:#fff;background:#000;transform:translateY(0);box-shadow:0 2px 8px #0003}.btn-new-account svg{margin-right:8px}.btn-text{z-index:1;position:relative}.summary-cards{grid-template-columns:repeat(4,1fr);gap:16px;display:grid}.summary-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);transition:all var(--transition-normal);align-items:flex-start;gap:16px;padding:22px;display:flex;position:relative;overflow:hidden}.summary-card:before{content:"";border-radius:var(--radius-lg)var(--radius-lg)0 0;height:2px;position:absolute;top:0;left:0;right:0}.card-income:before{background:linear-gradient(90deg,var(--income-color),transparent)}.card-expense:before{background:linear-gradient(90deg,var(--expense-color),transparent)}.card-balance:before{background:linear-gradient(90deg,var(--balance-color),transparent)}.card-savings:before{background:linear-gradient(90deg,var(--savings-color),transparent)}.summary-card:hover{background:var(--bg-card-hover);border-color:var(--border-color-light);box-shadow:var(--shadow-lg);transform:translateY(-2px)}.card-icon{border-radius:var(--radius-md);flex-shrink:0;justify-content:center;align-items:center;width:48px;height:48px;display:flex}.card-income .card-icon{background:var(--income-bg);color:var(--income-color)}.card-expense .card-icon{background:var(--expense-bg);color:var(--expense-color)}.card-balance .card-icon{background:var(--balance-bg);color:var(--balance-color)}.card-savings .card-icon{background:var(--savings-bg);color:var(--savings-color)}.card-content{flex-direction:column;gap:4px;display:flex}.card-label{color:var(--text-muted);font-size:.82rem;font-weight:500}.card-value{letter-spacing:-.03em;font-family:Inter,sans-serif;font-size:1.6rem;font-weight:700}.card-change{border-radius:20px;width:fit-content;padding:2px 8px;font-size:.78rem;font-weight:600;display:inline-flex}.card-change.positive{background:var(--income-bg);color:var(--income-color)}.card-change.negative{background:var(--expense-bg);color:var(--expense-color)}.charts-row{grid-template-columns:1.5fr 1fr;gap:20px;margin-top:24px;display:grid}.chart-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);overflow:hidden}.chart-card.full-width{grid-column:1/-1}.chart-header{justify-content:space-between;align-items:center;padding:18px 22px 0;display:flex}.chart-header h3{font-size:1rem;font-weight:600}.chart-period-selector{background:var(--bg-input);border-radius:var(--radius-sm);padding:2px;display:flex}.period-btn{color:var(--text-muted);cursor:pointer;transition:all var(--transition-fast);background:0 0;border:none;border-radius:6px;padding:6px 14px;font-size:.78rem;font-weight:600}.period-btn.active{background:var(--accent-primary);color:#fff}.chart-filter{background:var(--bg-input);border:1px solid var(--border-color);color:var(--text-secondary);border-radius:var(--radius-sm);cursor:pointer;padding:6px 12px;font-size:.82rem}.chart-body{min-height:280px;padding:16px 22px 22px;position:relative}.pie-chart-container{flex-wrap:wrap;justify-content:center;align-items:center;gap:20px;display:flex}.pie-canvas-wrapper{flex-shrink:0;justify-content:center;align-items:center;width:220px;height:220px;display:flex;position:relative}.pie-canvas-wrapper canvas{width:100%!important;height:100%!important}.pie-legend{flex-direction:column;flex:1;gap:8px;min-width:150px;display:flex}.legend-item{align-items:center;gap:10px;font-size:.85rem;display:flex}.legend-dot{border-radius:50%;flex-shrink:0;width:10px;height:10px}.legend-label{color:var(--text-secondary);flex:1}.legend-value{color:var(--text-primary);font-family:Inter,sans-serif;font-weight:600}.legend-pct{color:var(--text-muted);text-align:right;width:40px;font-size:.78rem}.recent-transactions-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);margin-top:24px;padding:22px}.section-header{justify-content:space-between;align-items:center;margin-bottom:16px;display:flex}.section-header h3{font-size:1rem;font-weight:600}.view-all-link{color:var(--text-accent);cursor:pointer;background:0 0;border:none;font-size:.85rem;font-weight:500}.transactions-list{flex-direction:column;display:flex}.transaction-item{border-radius:var(--radius-sm);transition:background var(--transition-fast);align-items:center;gap:14px;padding:12px 8px;display:flex}.transaction-item:hover{background:#00000005}.transaction-item+.transaction-item{border-top:1px solid var(--border-color)}.tx-icon{border-radius:var(--radius-sm);background:var(--bg-secondary);flex-shrink:0;justify-content:center;align-items:center;width:40px;height:40px;font-size:1.2rem;display:flex}.tx-details{flex:1;min-width:0}.tx-description{color:var(--text-primary);white-space:nowrap;text-overflow:ellipsis;font-size:.9rem;font-weight:500;overflow:hidden}.tx-category{color:var(--text-muted);font-size:.78rem}.tx-amount{font-family:Inter,sans-serif;font-weight:600}.tx-amount.income{color:var(--income-color)}.tx-amount.expense{color:var(--expense-color)}.transactions-toolbar{justify-content:space-between;align-items:center;margin-bottom:24px;display:flex}.toolbar-filters{flex-wrap:wrap;align-items:center;gap:12px;display:flex}.filter-select{border:1px solid var(--border-color);color:var(--text-primary);background:#fff;border-radius:8px;outline:none;padding:8px 12px;font-size:.9rem}.transactions-table-wrapper{border:1px solid var(--border-color);background:#fff;border-radius:12px;overflow:hidden}.transactions-table{border-collapse:collapse;width:100%}.transactions-table th{text-align:left;background:var(--bg-secondary);color:var(--text-secondary);border-bottom:1px solid var(--border-color);white-space:nowrap;padding:14px;font-size:.85rem;font-weight:600}.transactions-table td{border-bottom:1px solid var(--border-color-light);color:var(--text-primary);vertical-align:middle;padding:14px;font-size:.9rem}.type-badge{border-radius:12px;padding:3px 8px;font-size:.75rem;font-weight:500;display:inline-block}.type-badge.income{background:var(--income-bg);color:var(--income-color)}.type-badge.expense{background:var(--expense-bg);color:var(--expense-color)}.action-btns{gap:8px;display:flex}.action-btn{border:1px solid var(--border-color);width:28px;height:28px;color:var(--text-secondary);cursor:pointer;background:#fff;border-radius:6px;justify-content:center;align-items:center;transition:all .2s;display:flex}.action-btn:hover{background:var(--bg-secondary);color:var(--text-primary)}.action-btn.delete:hover{border-color:var(--expense-color);color:var(--expense-color);background:var(--expense-bg)}.pagination{justify-content:center;align-items:center;gap:6px;margin-top:24px;display:flex}.page-btn{border:1px solid var(--border-color);cursor:pointer;background:#fff;border-radius:6px;justify-content:center;align-items:center;min-width:32px;height:32px;padding:0 6px;display:flex}.page-btn.active{background:var(--accent-primary);color:#fff;border-color:var(--accent-primary)}.page-btn:disabled{opacity:.5;cursor:not-allowed}.empty-state{text-align:center;color:var(--text-muted);padding:40px}.modal-overlay{z-index:1000;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#00000080;justify-content:center;align-items:center;animation:.2s fadeIn;display:flex;position:fixed;inset:0}.modal{background:#fff;border-radius:16px;width:100%;max-width:500px;animation:.3s cubic-bezier(.16,1,.3,1) slideUp;overflow:hidden;box-shadow:0 20px 25px -5px #0000001a}.modal.modal-sm{max-width:400px}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.modal-header{border-bottom:1px solid var(--border-color-light);justify-content:space-between;align-items:center;padding:16px 24px;display:flex}.modal-header h2{font-size:1.1rem}.modal-close{cursor:pointer;color:var(--text-secondary);background:0 0;border:none;padding:0 4px;font-size:1.5rem}.modal-body{max-height:70vh;padding:24px;overflow-y:auto}.modal-footer{background:var(--bg-secondary);border-top:1px solid var(--border-color-light);justify-content:flex-end;gap:12px;padding:16px 24px;display:flex}.form-row{margin-bottom:20px}.form-row.two-cols{grid-template-columns:1fr 1fr;gap:16px;display:grid}.form-group{flex-direction:column;gap:6px;display:flex}.form-group label{color:var(--text-secondary);font-size:.9rem;font-weight:500}.form-group input,.form-group 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