.login-container{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:1rem;background:linear-gradient(135deg,#667eea,#764ba2)}.login-card{background:var(--card-bg);border-radius:16px;box-shadow:var(--shadow-lg);padding:2.5rem;width:100%;max-width:420px}.login-header{text-align:center;margin-bottom:2rem}.login-icon{font-size:3rem;margin-bottom:1rem}.login-header h1{font-size:1.75rem;margin-bottom:.5rem;color:var(--text-primary)}.login-header p{color:var(--text-secondary);font-size:.95rem}.login-form{display:flex;flex-direction:column;gap:1.25rem}.form-group label{font-weight:500;color:var(--text-primary);font-size:.95rem}.form-group input{padding:.75rem 1rem;border:1px solid var(--border-color);border-radius:8px;font-size:1rem;transition:all .2s;background:#fff}.form-group input:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px #4f46e51a}.error-message{padding:.75rem 1rem;background-color:#fee2e2;color:#dc2626;border-radius:8px;font-size:.9rem;text-align:center}.btn{padding:.875rem 1.5rem;border:none;border-radius:8px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .2s;text-align:center}.btn-primary:hover:not(:disabled){background:var(--primary-dark);transform:translateY(-1px);box-shadow:var(--shadow)}.btn-primary:disabled{opacity:.6;cursor:not-allowed}.login-footer{margin-top:2rem;padding-top:1.5rem;border-top:1px solid var(--border-color);text-align:center;font-size:.85rem;color:var(--text-secondary)}.login-footer p{margin:.25rem 0}@media (max-width: 480px){.login-card{padding:2rem 1.5rem}.login-header h1{font-size:1.5rem}.login-icon{font-size:2.5rem}}.transaction-form-container{background:var(--card-bg);border-radius:12px;padding:1.5rem;box-shadow:var(--shadow)}.form-header{margin-bottom:1.5rem}.form-header h2{font-size:1.25rem;color:var(--text-primary)}.transaction-form{display:flex;flex-direction:column;gap:1.25rem}.form-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1.25rem}.form-group{display:flex;flex-direction:column;gap:.5rem}.form-group label{font-weight:500;color:var(--text-primary);font-size:.9rem}.form-group input,.form-group select{padding:.75rem;border:1px solid var(--border-color);border-radius:8px;font-size:1rem;background:#fff;transition:all .2s}.form-group input:focus,.form-group select:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px #4f46e51a}.form-actions{display:flex;justify-content:flex-end;gap:1rem;margin-top:.5rem}.btn{padding:.75rem 1.5rem;border:none;border-radius:8px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .2s}@media (max-width: 768px){.transaction-form-container{padding:1.25rem}.form-row{grid-template-columns:1fr}.form-actions{flex-direction:column-reverse}.form-actions .btn{width:100%}}.transaction-list-container{background:var(--card-bg);border-radius:12px;padding:1.5rem;box-shadow:var(--shadow)}.list-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.5rem;flex-wrap:wrap;gap:1rem}.list-header h2{font-size:1.25rem;color:var(--text-primary)}.list-filters{display:flex;gap:.75rem}.filter-select{padding:.5rem .75rem;border:1px solid var(--border-color);border-radius:8px;font-size:.9rem;background:#fff;cursor:pointer;transition:all .2s}.filter-select:focus{outline:none;border-color:var(--primary-color)}.empty-state{text-align:center;padding:3rem 1rem;color:var(--text-secondary)}.empty-icon{font-size:4rem;margin-bottom:1rem}.empty-state p{font-size:1.1rem;margin-bottom:.5rem}.empty-hint{font-size:.9rem;color:var(--text-secondary)}.transaction-list{display:flex;flex-direction:column;gap:.75rem}.transaction-item{display:flex;justify-content:space-between;align-items:center;padding:1.25rem;background:var(--bg-color);border-radius:10px;border-left:4px solid;transition:all .2s;gap:1rem}.transaction-item.income{border-left-color:var(--secondary-color)}.transaction-item.expense{border-left-color:var(--danger-color)}.transaction-item:hover{transform:translate(4px);box-shadow:var(--shadow)}.transaction-info{flex:1;min-width:0}.transaction-header{display:flex;align-items:center;gap:.75rem;margin-bottom:.5rem;flex-wrap:wrap}.transaction-header h3{font-size:1rem;color:var(--text-primary);margin:0}.status-badge{padding:.25rem .75rem;border-radius:12px;font-size:.75rem;font-weight:600;text-transform:uppercase}.status-badge.pending{background:#fef3c7;color:#92400e}.status-badge.paid{background:#d1fae5;color:#065f46}.transaction-details{display:flex;gap:1rem;font-size:.85rem;color:var(--text-secondary);flex-wrap:wrap}.transaction-category,.transaction-date{display:flex;align-items:center;gap:.25rem}.transaction-actions{display:flex;flex-direction:column;align-items:flex-end;gap:.75rem}.transaction-amount{font-size:1.25rem;font-weight:700;white-space:nowrap}.transaction-amount.income{color:var(--secondary-color)}.transaction-amount.expense{color:var(--danger-color)}.action-buttons{display:flex;gap:.5rem}.btn-icon{background:transparent;border:1px solid var(--border-color);width:36px;height:36px;border-radius:8px;cursor:pointer;transition:all .2s;display:flex;align-items:center;justify-content:center;font-size:1rem}.btn-icon:hover{transform:scale(1.1);box-shadow:var(--shadow)}.btn-edit:hover{background:#dbeafe;border-color:#3b82f6}.btn-delete:hover{background:#fee2e2;border-color:#ef4444}@media (max-width: 768px){.transaction-list-container{padding:1rem}.list-header{flex-direction:column;align-items:flex-start}.list-filters{width:100%}.filter-select{flex:1}.transaction-item{flex-direction:column;align-items:flex-start;padding:1rem}.transaction-actions{width:100%;flex-direction:row;justify-content:space-between;align-items:center}.transaction-amount{font-size:1.1rem}}@media (max-width: 480px){.transaction-header h3{font-size:.95rem}.transaction-details{font-size:.8rem}.transaction-amount{font-size:1rem}.btn-icon{width:32px;height:32px;font-size:.9rem}}.summary{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1.25rem}.summary-card{background:var(--card-bg);border-radius:12px;padding:1.5rem;box-shadow:var(--shadow);display:flex;align-items:center;gap:1.25rem;transition:transform .2s,box-shadow .2s}.summary-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}.summary-icon{font-size:2.5rem;width:60px;height:60px;display:flex;align-items:center;justify-content:center;border-radius:12px;background:var(--bg-color)}.summary-income .summary-icon{background:#d1fae5}.summary-expense .summary-icon{background:#fee2e2}.summary-balance.positive .summary-icon{background:#dbeafe}.summary-balance.negative .summary-icon{background:#fef3c7}.summary-content{flex:1}.summary-content h3{font-size:.9rem;color:var(--text-secondary);margin-bottom:.5rem;font-weight:500}.summary-value{font-size:1.75rem;font-weight:700;color:var(--text-primary)}.summary-income .summary-value{color:var(--secondary-color)}.summary-expense .summary-value{color:var(--danger-color)}.summary-balance.positive .summary-value{color:#2563eb}.summary-balance.negative .summary-value{color:var(--warning-color)}@media (max-width: 768px){.summary{grid-template-columns:1fr}.summary-card{padding:1.25rem}.summary-icon{font-size:2rem;width:50px;height:50px}.summary-value{font-size:1.5rem}}.dashboard{min-height:100vh;display:flex;flex-direction:column}.dashboard-header{background:#fff;border-bottom:1px solid var(--border-color);box-shadow:var(--shadow);position:sticky;top:0;z-index:100}.header-content{max-width:1200px;margin:0 auto;padding:1.25rem 1.5rem;display:flex;justify-content:space-between;align-items:center;gap:1rem}.header-left h1{font-size:1.5rem;margin-bottom:.25rem;color:var(--text-primary)}.header-left p{color:var(--text-secondary);font-size:.9rem}.btn-secondary{background:var(--text-secondary);color:#fff}.btn-secondary:hover{background:var(--text-primary)}.dashboard-main{flex:1;padding:2rem 1.5rem}.dashboard-container{max-width:1200px;margin:0 auto;display:flex;flex-direction:column;gap:1.5rem}.actions-bar{display:flex;justify-content:flex-end;gap:1rem}.btn{padding:.75rem 1.5rem;border:none;border-radius:8px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .2s;white-space:nowrap}.btn-primary{background:var(--primary-color);color:#fff}.btn-primary:hover{background:var(--primary-dark);transform:translateY(-1px);box-shadow:var(--shadow)}@media (max-width: 768px){.dashboard-main{padding:1rem}.header-content{padding:1rem;flex-wrap:wrap}.header-left h1{font-size:1.25rem}.btn{padding:.625rem 1.25rem;font-size:.9rem}}@media (max-width: 480px){.header-left h1{font-size:1.1rem}.btn{padding:.5rem 1rem;font-size:.85rem}}.loading-container{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100vh;gap:1rem}.spinner{width:48px;height:48px;border:4px solid var(--border-color);border-top-color:var(--primary-color);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}*{margin:0;padding:0;box-sizing:border-box}:root{--primary-color: #4f46e5;--primary-dark: #4338ca;--secondary-color: #10b981;--danger-color: #ef4444;--warning-color: #f59e0b;--bg-color: #f9fafb;--card-bg: #ffffff;--text-primary: #1f2937;--text-secondary: #6b7280;--border-color: #e5e7eb;--shadow: 0 1px 3px 0 rgba(0, 0, 0, .1), 0 1px 2px 0 rgba(0, 0, 0, .06);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -2px rgba(0, 0, 0, .05)}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-color:var(--bg-color);color:var(--text-primary);line-height:1.6}#root{min-height:100vh}@media (max-width: 768px){body{font-size:14px}}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.fade-in{animation:fadeIn .3s ease-in-out}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--bg-color)}::-webkit-scrollbar-thumb{background:var(--border-color);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--text-secondary)}