*{box-sizing:border-box;margin:0;padding:0}:root{--primary:#6366f1;--primary-hover:#4f46e5;--primary-light:#e0e7ff;--danger:#ef4444;--danger-light:#fee2e2;--success:#10b981;--success-light:#d1fae5;--warning:#f59e0b;--warning-light:#fef3c7;--bg:#f8fafc;--card:#fff;--text:#1e293b;--text-secondary:#64748b;--border:#e2e8f0;--shadow:0 1px 3px #0000001a, 0 1px 2px #0000000f;--shadow-lg:0 10px 15px -3px #0000001a, 0 4px 6px -2px #0000000d;--radius:12px;--transition:all .3s ease}body{background:var(--bg);color:var(--text);min-height:100vh;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;line-height:1.6}#root{min-height:100vh}.app{max-width:1200px;margin:0 auto;padding:24px 20px}.header{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;margin-bottom:24px;display:flex}.header-title{color:var(--text);align-items:center;gap:10px;font-size:28px;font-weight:700;display:flex}.header-title .icon{color:var(--primary)}.header-actions{flex-wrap:wrap;gap:10px;display:flex}.tabs{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);gap:4px;margin-bottom:24px;padding:4px;display:flex}.tab{cursor:pointer;color:var(--text-secondary);transition:var(--transition);background:0 0;border:none;border-radius:8px;flex:1;padding:10px 20px;font-size:14px;font-weight:500}.tab.active{background:var(--primary);color:#fff}.tab:hover:not(.active){background:var(--primary-light);color:var(--primary)}.btn{cursor:pointer;transition:var(--transition);white-space:nowrap;border:none;border-radius:8px;align-items:center;gap:6px;padding:10px 18px;font-size:14px;font-weight:500;display:inline-flex}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-hover)}.btn-outline{color:var(--primary);border:1.5px solid var(--primary);background:0 0}.btn-outline:hover{background:var(--primary-light)}.btn-danger{background:var(--danger);color:#fff}.btn-danger:hover{background:#dc2626}.btn-sm{border-radius:6px;padding:6px 12px;font-size:13px}.card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);margin-bottom:20px;padding:24px}.card-title{color:var(--text);margin-bottom:16px;font-size:18px;font-weight:600}.form-grid{grid-template-columns:1fr 1fr;gap:16px;display:grid}.form-group{flex-direction:column;gap:6px;display:flex}.form-group.full-width{grid-column:1/-1}.form-label{color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px;font-size:13px;font-weight:600}.form-input,.form-select{border:1.5px solid var(--border);color:var(--text);transition:var(--transition);background:#fff;border-radius:8px;outline:none;padding:10px 14px;font-family:inherit;font-size:14px}.form-input:focus,.form-select:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-light)}.expense-list{flex-direction:column;gap:10px;list-style:none;display:flex}.expense-item{background:var(--bg);transition:var(--transition);border-radius:10px;justify-content:space-between;align-items:center;gap:12px;padding:14px 16px;display:flex}.expense-item:hover{box-shadow:var(--shadow)}.expense-info{flex:1;align-items:center;gap:14px;min-width:0;display:flex}.expense-category-badge{border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:36px;height:36px;font-size:16px;display:inline-flex}.expense-details{flex:1;min-width:0}.expense-desc{color:var(--text);white-space:nowrap;text-overflow:ellipsis;font-size:14px;font-weight:500;overflow:hidden}.expense-date{color:var(--text-secondary);font-size:12px}.expense-amount{color:var(--danger);white-space:nowrap;font-size:16px;font-weight:700}.expense-delete{color:var(--text-secondary);cursor:pointer;transition:var(--transition);background:0 0;border:none;border-radius:6px;justify-content:center;align-items:center;padding:6px;display:flex}.expense-delete:hover{color:var(--danger);background:var(--danger-light)}.empty-state{text-align:center;color:var(--text-secondary);padding:40px 20px}.empty-state .icon{opacity:.5;margin-bottom:12px;font-size:48px}.empty-state p{font-size:15px}.stats-grid{grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-bottom:24px;display:grid}.stat-card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);align-items:center;gap:16px;padding:20px;display:flex}.stat-icon{border-radius:12px;flex-shrink:0;justify-content:center;align-items:center;width:48px;height:48px;font-size:22px;display:flex}.stat-info h3{color:var(--text-secondary);margin-bottom:4px;font-size:13px;font-weight:500}.stat-info .value{color:var(--text);font-size:22px;font-weight:700}.dashboard-grid{grid-template-columns:1fr 1fr;gap:20px;display:grid}.chart-container{justify-content:center;align-items:center;width:100%;min-height:280px;display:flex;position:relative}.chart-container canvas{max-width:100%;height:auto!important}.budget-list{flex-direction:column;gap:16px;display:flex}.budget-item{flex-direction:column;gap:10px;display:flex}.budget-header{justify-content:space-between;align-items:center;display:flex}.budget-label{align-items:center;gap:8px;font-size:14px;font-weight:600;display:flex}.budget-label .badge{font-size:14px}.budget-values{color:var(--text-secondary);font-size:13px}.budget-values.over{color:var(--danger);font-weight:600}.progress-bar-wrapper{width:100%}.progress-bar-bg{background:var(--border);border-radius:6px;width:100%;height:12px;overflow:hidden}.progress-bar-fill{border-radius:6px;height:100%;transition:width 1s cubic-bezier(.4,0,.2,1);animation:1.5s cubic-bezier(.4,0,.2,1) forwards fillProgress;position:relative}.progress-bar-fill.danger{background:linear-gradient(90deg, var(--warning), var(--danger))}.progress-bar-fill.warning{background:linear-gradient(90deg, var(--success), var(--warning))}.progress-bar-fill.safe{background:linear-gradient(90deg, var(--primary), var(--success))}@keyframes fillProgress{0%{width:0%}}.progress-percentage{text-align:right;margin-top:6px;font-size:13px;font-weight:600}.progress-percentage.over{color:var(--danger)}.category-legend{background:var(--bg);border-radius:10px;flex-wrap:wrap;gap:12px;margin-top:16px;padding:16px;display:flex}.legend-item{align-items:center;gap:6px;font-size:13px;display:flex}.legend-dot{border-radius:50%;width:10px;height:10px}.budget-form{flex-wrap:wrap;gap:10px;display:flex}.budget-form input{border:1.5px solid var(--border);border-radius:8px;outline:none;flex:1;min-width:120px;padding:8px 12px;font-family:inherit;font-size:14px}.budget-form input:focus{border-color:var(--primary)}.month-selector{align-items:center;gap:8px;margin-bottom:20px;display:flex}.month-selector button{border:1.5px solid var(--border);cursor:pointer;transition:var(--transition);background:#fff;border-radius:8px;align-items:center;padding:6px 12px;font-size:14px;display:flex}.month-selector button:hover{background:var(--primary-light);border-color:var(--primary)}.month-selector .current-month{text-align:center;min-width:160px;font-size:16px;font-weight:600}.toast{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow-lg);z-index:1000;align-items:center;gap:12px;max-width:360px;padding:16px 20px;animation:.3s slideIn;display:flex;position:fixed;bottom:24px;right:24px}.toast.success{border-left:4px solid var(--success)}.toast.warning{border-left:4px solid var(--warning)}.toast.danger{border-left:4px solid var(--danger)}@keyframes slideIn{0%{opacity:0;transform:translate(100%)}to{opacity:1;transform:translate(0)}}@media (width<=768px){.app{padding:16px 12px}.header{flex-direction:column;align-items:flex-start}.form-grid,.dashboard-grid{grid-template-columns:1fr}.stats-grid{grid-template-columns:1fr 1fr}.stat-card{padding:14px}.stat-icon{width:40px;height:40px;font-size:18px}.stat-info .value{font-size:18px}.expense-item{flex-wrap:wrap}.expense-info{flex-basis:calc(100% - 40px)}.expense-amount{order:-1}.toast{max-width:none;left:16px;right:16px}.tabs{flex-wrap:wrap}.tab{padding:8px 14px;font-size:13px}}@media (width<=480px){.stats-grid{grid-template-columns:1fr}.header-title{font-size:22px}.btn{padding:8px 14px;font-size:13px}}