.container {
    max-width: 1400px;
    margin: 0 auto;
    background: white;
    border-radius: 16px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    width: 100%;
    padding: 0px !important;
}

.main-content {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: 0;
}

.left-panel {
    padding: 30px 60px 30px 60px;
}

.units-grid {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 30px;
}

.unit-card {
    border: 2px solid #e2e8f0;
    border-radius: 12px;
    padding: 16px;
    background: white;
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    gap: 8px;
    min-height: 120px;
}

.unit-card:hover {
    border-color: #2b6cb0;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(43, 108, 176, 0.15);
}

.unit-card.selected {
    border-color: #2b6cb0;
    background: linear-gradient(135deg, #f0f9ff, #f8fafc);
    box-shadow: 0 8px 25px rgba(43, 108, 176, 0.2);
}

.unit-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 12px;
    align-items: center;
}

.unit-main-content {
    display: flex;
    flex-direction: column;
    gap: 6px;
    width: 100%;
    align-items: center;
}

.unit-image-section {
    display: flex;
    justify-content: center;
}

.unit-details-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    width: 100%;
}

.unit-pricing-column {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.unit-right-column {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.unit-image {
    width: 120px;
    height: 80px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    flex-shrink: 0;
}

.container-visual {
    width: 100px;
    height: 60px;
    position: relative;
    transform: perspective(200px) rotateX(5deg) rotateY(-10deg);
}

.container-body {
    width: 100%;
    height: 100%;
    background: linear-gradient(145deg, #f8f9fa, #e9ecef);
    border: 2px solid #6c757d;
    border-radius: 2px;
    position: relative;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.container-door {
    position: absolute;
    right: 0;
    top: 2px;
    bottom: 2px;
    width: 25%;
    background: linear-gradient(180deg, #2563eb, #1d4ed8);
    border-left: 1px solid #1e40af;
    border-radius: 0 1px 1px 0;
}

.door-ridges {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: repeating-linear-gradient(0deg,
            transparent 0px,
            transparent 2px,
            rgba(255, 255, 255, 0.1) 2px,
            rgba(255, 255, 255, 0.1) 3px);
}

.container-handle {
    position: absolute;
    right: 2px;
    top: 50%;
    transform: translateY(-50%);
    width: 2px;
    height: 6px;
    background: #374151;
    border-radius: 1px;
}

.unit-size {
    font-size: 18px;
    font-weight: 700;
    color: #2d3748;
    margin-bottom: 4px;
}

.unit-features {
    margin-bottom: 6px;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 6px;
    font-size: 12px;
    color: #374151;
    margin-bottom: 4px;
}

.check-icon {
    width: 18px;
    height: 18px;
    background: transparent;
    border-radius: 3px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #2d3748;
    font-size: 16px;
    font-weight: bold;
    flex-shrink: 0;
}

.check-icon::after {
    content: '✓';
    color: #2d3748;
}

.unit-pricing {
    text-align: center;
    margin-top: 4px;
}

.price-line {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 8px;
    margin-bottom: 1px;
}

.original-price {
    font-size: 12px;
    color: #94a3b8;
    text-decoration: line-through;
    margin-bottom: 0;
}

.unit-price {
    font-size: 16px;
    font-weight: 700;
    color: #059669;
    margin-bottom: 0;
}

.unit-price .currency {
    font-size: 16px;
}

.period {
    font-size: 12px;
    color: #64748b;
    font-weight: 700;
    margin-bottom: 1px;
}

.delivery-info {
    font-size: 12px;
    color: #374151;
}

.quantity-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: auto;
}

.quantity-btn {
    width: 28px;
    height: 28px;
    border: 2px solid #c53030;
    border-radius: 50%;
    background: #c53030;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 16px;
    font-weight: bold;
    color: white;
    transition: all 0.2s ease;
    line-height: 1;
    padding: 0;
}

.quantity-btn:hover {
    background: #991b1b;
    border-color: #991b1b;
    transform: scale(1.05);
}

.quantity-display {
    width: 30px;
    text-align: center;
    font-size: 16px;
    font-weight: 600;
    color: #2d3748;
}

.right-panel {
    background: #f8fafc;
    padding: 20px 30px 40px 30px;
    border-left: 1px solid #e2e8f0;
}

.summary-section {
    margin-bottom: 8px;
    padding: 16px;
    background: white;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.summary-section h3 {
    font-size: 16px;
    font-weight: 600;
    color: #2d3748;
    margin-bottom: 12px;
    padding-bottom: 6px;
    border-bottom: 2px solid #e2e8f0;
}

.summary-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 4px;
    font-size: 14px;
}

.summary-row:last-child {
    margin-bottom: 0;
}

.summary-label {
    color: #4a5568;
    font-weight: 500;
}

.summary-value {
    color: #2d3748;
    font-weight: 600;
}

.discount-value {
    color: #059669;
    font-weight: 600;
}

.calculation-result {
    font-weight: 600;
}

.promo-applied {
    background: #f0fdf4;
    border: 1px solid #86efac;
    border-radius: 8px;
    padding: 12px;
    margin-bottom: 24px;
    display: block;
}

.promo-text {
    color: #065f46;
    font-size: 14px;
    font-weight: 600;
}

.promo-remove {
    color: #c53030;
    font-size: 12px;
    cursor: pointer;
    text-decoration: underline;
}

.next-button {
    width: 100%;
    padding: 16px;
    background: #c53030;
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 18px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-bottom: 20px;
    position: relative;
    overflow: hidden;
}

.next-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(197, 48, 48, 0.3);
}

@media (max-width: 768px) {
    .main-content {
        grid-template-columns: 1fr;
    }

    .units-grid {
        grid-template-columns: 1fr;
    }

    .container {
        margin: 10px;
        border-radius: 12px;
    }

    .left-panel,
    .right-panel {
        padding: 20px;
    }
}