.hero-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 4rem 0;
    text-align: center;
}

.hero-title {
    font-size: 3rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.hero-description {
    font-size: 1.2rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
}

.tool-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-bottom: 3rem;
}

.tool-card {
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    padding: 2rem;
}

.card-header h2 {
    color: #333;
    margin-bottom: 0.5rem;
}

.card-header p {
    color: #666;
    margin-bottom: 2rem;
}

.input-section {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.input-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: #333;
}

.form-control {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-control:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.income-section, .savings-section {
    background: #f8f9ff;
    padding: 1.5rem;
    border-radius: 8px;
    border-left: 4px solid #667eea;
}

.income-section h4, .savings-section h4 {
    color: #333;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.income-section h4 i, .savings-section h4 i {
    color: #667eea;
}

.expenses-section {
    background: #f8f9ff;
    padding: 1.5rem;
    border-radius: 8px;
    border-left: 4px solid #667eea;
    margin-bottom: 2rem;
}

.expense-categories {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.expense-category {
    background: white;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.expense-category h4 {
    color: #333;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.expense-category h4 i {
    color: #667eea;
}

.item-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.item-row {
    display: grid;
    grid-template-columns: 2fr 1fr auto;
    gap: 0.5rem;
    align-items: center;
}

.btn-remove {
    width: 32px;
    height: 32px;
    border: none;
    background: #e74c3c;
    color: white;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-remove:hover {
    background: #c0392b;
}

.button-group {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    flex: 1;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.btn-secondary {
    background: #f5f5f5;
    color: #666;
    flex: 1;
}

.btn-outline {
    background: transparent;
    border: 2px solid #667eea;
    color: #667eea;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
}

.results-section {
    margin: 3rem 0;
}

.result-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.result-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.result-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
}

.income-card::before { background: #2ecc71; }
.expense-card::before { background: #e74c3c; }
.savings-card::before { background: #f39c12; }
.balance-card::before { background: #9b59b6; }

.result-card h3 {
    color: #333;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.result-value {
    font-size: 2rem;
    font-weight: 700;
    color: #667eea;
}

.budget-breakdown {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.breakdown-section {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

.breakdown-section h3 {
    color: #333;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.breakdown-section h3 i {
    color: #667eea;
}

.chart-container {
    min-height: 200px;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.chart-item {
    display: flex;
    align-items: center;
    padding: 0.75rem;
    background: #f8f9ff;
    border-radius: 8px;
    position: relative;
}

.chart-bar {
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    background: #667eea;
    border-radius: 8px 0 0 8px;
    opacity: 0.3;
}

.chart-label {
    position: relative;
    z-index: 1;
    flex: 1;
    font-weight: 600;
    color: #333;
}

.chart-amount {
    position: relative;
    z-index: 1;
    font-weight: 700;
    color: #667eea;
}

.recommendations-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.recommendation-item {
    padding: 1rem;
    background: #f8f9ff;
    border-radius: 8px;
    border-left: 4px solid #667eea;
}

.recommendation-item.warning {
    background: #fff3e0;
    border-left-color: #ff9800;
}

.recommendation-item.success {
    background: #e8f5e8;
    border-left-color: #4caf50;
}

.timeline-container {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.timeline-item {
    padding: 1rem;
    background: #f8f9ff;
    border-radius: 8px;
    border-left: 4px solid #667eea;
}

.timeline-goal {
    font-weight: 600;
    color: #333;
    margin-bottom: 0.5rem;
}

.timeline-time {
    color: #667eea;
    font-weight: 700;
}

.info-section {
    margin: 3rem 0;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.info-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.info-card h3 {
    color: #333;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.info-card h3 i {
    color: #667eea;
}

.info-card ul {
    list-style: none;
    padding: 0;
}

.info-card li {
    padding: 0.5rem 0;
    border-bottom: 1px solid #f0f0f0;
}

.tool-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin: 2rem 0;
    flex-wrap: wrap;
}

.history-section {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    margin-top: 2rem;
}

.history-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin: 1rem 0;
}

.history-item {
    padding: 1rem;
    background: #f8f9ff;
    border-radius: 8px;
    border-left: 4px solid #667eea;
}

@media (max-width: 768px) {
    .tool-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .button-group {
        flex-direction: column;
    }
    
    .tool-actions {
        flex-direction: column;
    }
    
    .result-cards {
        grid-template-columns: 1fr;
    }
    
    .budget-breakdown {
        grid-template-columns: 1fr;
    }
    
    .item-row {
        grid-template-columns: 1fr;
        gap: 0.5rem;
    }
    
    .expense-categories {
        gap: 1rem;
    }
}