/* Discount Calculator Styles */
.discount-mode-selector {
    margin-bottom: 2rem;
}

.mode-buttons {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.mode-btn {
    flex: 1;
    min-width: 200px;
    background: white;
    border: 2px solid var(--border);
    border-radius: var(--radius);
    padding: 1rem;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
}

.mode-btn:hover {
    border-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.mode-btn.active {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
}

.mode-btn i {
    font-size: 1.5rem;
}

.mode-btn span {
    font-weight: 600;
    font-size: 0.9rem;
}

.calculator-mode {
    display: none;
}

.calculator-mode.active {
    display: block;
}

.discount-visualization {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin: 2rem 0;
    gap: 2rem;
    flex-wrap: wrap;
}

.price-breakdown {
    flex: 1;
    min-width: 300px;
}

.price-item {
    padding: 1.5rem;
    border-radius: var(--radius);
    margin-bottom: 1rem;
    text-align: center;
}

.price-item.original {
    background: linear-gradient(135deg, #f3f4f6 0%, #e5e7eb 100%);
    border: 2px solid var(--border);
}

.price-item.final {
    background: linear-gradient(135deg, #dbeafe 0%, #bfdbfe 100%);
    border: 2px solid var(--primary);
}

.price-label {
    font-size: 0.9rem;
    color: var(--gray);
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.price-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text);
}

.price-item.final .price-value {
    color: var(--primary);
}

.discount-arrow {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin: 0.5rem 0;
}

.discount-arrow i {
    font-size: 1.5rem;
    color: var(--accent);
    margin-bottom: 0.5rem;
}

.discount-amount {
    background: var(--accent);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.9rem;
}

.savings-circle {
    flex-shrink: 0;
}

.circle-chart {
    position: relative;
    width: 120px;
    height: 120px;
}

.circle-bg {
    fill: none;
    stroke: #e5e7eb;
    stroke-width: 8;
}

.circle-progress {
    fill: none;
    stroke: var(--primary);
    stroke-width: 8;
    stroke-linecap: round;
    transform: rotate(-90deg);
    transform-origin: 50% 50%;
    transition: stroke-dashoffset 0.5s ease, stroke 0.3s ease;
}

.circle-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
}

.circle-percent {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
}

.circle-label {
    font-size: 0.8rem;
    color: var(--gray);
    text-transform: uppercase;
}

.result-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin: 1rem 0;
}

.result-item.savings .result-value {
    color: var(--accent);
    font-weight: 700;
}

.result-item.final-price .result-value {
    color: var(--primary);
    font-weight: 700;
    font-size: 1.2rem;
}

.stacked-discounts {
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    border-radius: var(--radius);
    padding: 1.5rem;
    margin-top: 1.5rem;
    border-left: 4px solid #f59e0b;
}

.stacked-inputs {
    display: flex;
    gap: 0.5rem;
    margin: 1rem 0;
}

.stacked-inputs .form-group {
    flex: 1;
}

.stacked-result {
    background: white;
    border-radius: var(--radius);
    padding: 1rem;
    margin-top: 1rem;
    transition: opacity 0.3s ease;
}

.stacked-breakdown {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.stacked-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border);
}

.stacked-item:last-child {
    border-bottom: none;
}

.stacked-price {
    font-weight: 700;
    color: var(--primary);
    font-size: 1.1rem;
}

.stacked-savings {
    font-weight: 700;
    color: var(--accent);
}

.stacked-percent {
    font-weight: 700;
    color: #f59e0b;
}

.common-discounts {
    background: white;
    border-radius: var(--radius);
    padding: 1.5rem;
    margin-top: 1.5rem;
    box-shadow: var(--shadow);
}

.discount-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
    margin-top: 1rem;
}

.discount-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem;
    background: var(--light-gray);
    border-radius: var(--radius);
    transition: transform 0.2s ease;
}

.discount-item:hover {
    transform: translateY(-2px);
    background: #f0f9ff;
}

.discount-percent {
    font-weight: 700;
    color: var(--primary);
}

.discount-example {
    font-size: 0.9rem;
    color: var(--gray);
}

/* Responsive */
@media (max-width: 768px) {
    .mode-buttons {
        flex-direction: column;
    }
    
    .mode-btn {
        min-width: 100%;
    }
    
    .discount-visualization {
        flex-direction: column;
        text-align: center;
    }
    
    .result-grid {
        grid-template-columns: 1fr;
    }
    
    .discount-list {
        grid-template-columns: 1fr;
    }
    
    .stacked-inputs {
        flex-direction: column;
    }
}