/* Option Buttons */
.option-btn {
    padding: 8px 14px;
    background-color: #ffffff;
    color: #000000;
    border: 2px solid #000000;
    border-radius: 50px;
    min-height: 36px;
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    transition: 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    text-decoration: none;
    outline: none;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    margin-bottom: 8px;
}

.option-btn.selected {
    background-color: #000000;
    color: #ffffff;
    border-color: #000000;
}

.option-btn:focus {
    outline: 2px solid #000000;
    outline-offset: 2px;
}

/* Color Buttons */
.color-btn {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: 2px solid transparent;
    cursor: pointer;
    position: relative;
    transition: 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    touch-action: manipulation;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
}

.color-btn .checkmark {
    color: #ffffff;
    font-weight: bold;
    opacity: 0;
    transition: 0.2s ease;
    font-size: 18px;
    pointer-events: none;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.color-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.color-btn.selected {
    border-color: #000000;
    box-shadow: 0 0 0 2px #ffffff, 0 0 0 4px #000000;
}

.color-options {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    justify-items: center;
    max-width: 240px;
    margin: 0 auto;
}

.color-btn.selected .checkmark {
    opacity: 1;
}

/* Progress Lines */
.progress-lines {
    display: flex;
    justify-content: center;
    gap: 8px;
    padding: 24px 0;
    margin-top: 16px;
}

.progress-line {
    width: 40px;
    height: 2px;
    background-color: #e0e0e0;
    transition: 0.2s ease;
    border-radius: 1px;
}

.progress-line.active {
    background-color: #000000;
}

/* Mobile responsive */
@media (max-width: 480px) {
    .progress-line {
        width: 30px;
        height: 2px;
    }
    
    .progress-lines {
        gap: 6px;
        padding: 16px 0;
    }
}

/* Navigation Buttons */
.nav-btn {
    background-color: #ffffff;
    color: #000000;
    border: 1.5px solid #000000;
    padding: 8px 18px;
    font-size: 15px;
    font-weight: 500;
    min-width: 70px;
    min-height: 32px;
    border-radius: 50px;
    cursor: pointer;
    transition: 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.nav-btn:active:not(:disabled) {
    background-color: #000000;
    color: #ffffff;
}

.nav-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.nav-btn:focus {
    outline: 2px solid #000000;
    outline-offset: 2px;
}

/* Product Card */
.product-card {
    background-color: #ffffff;
    border-radius: 12px;
    overflow: hidden;
    text-align: center;
    max-width: 280px;
    margin: 0 auto;
    padding: 24px;
}

.product-image {
    width: 100%;
    height: 300px;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 24px;
    background-color: #f5f5f5;
}

.product-title {
    font-size: 14px;
    font-weight: 500;
    color: #000000;
    margin-bottom: 16px;
    line-height: 1.4;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.product-price {
    margin-bottom: 24px;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
}

.old-price {
    font-size: 14px;
    color: #888888;
    text-decoration: line-through;
}

.current-price {
    font-size: 16px;
    font-weight: 600;
    color: #ff4444;
}

.product-btn {
    background-color: #000000;
    color: #ffffff;
    padding: 16px 32px;
    width: 100%;
    font-size: 14px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border: none;
    border-radius: 50px;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    cursor: pointer;
    transition: 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    outline: none;
}

/* Product Slider */
.products-container {
    text-align: center;
}

.product-slider {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 32px;
}

.slider-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    font-size: 32px;
    color: #000000;
    cursor: pointer;
    z-index: 5;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: 0.2s ease;
}

.slider-arrow:hover {
    color: #333;
    transform: translateY(-50%) scale(1.1);
}

.slider-arrow.left {
    left: -20px;
}

.slider-arrow.right {
    right: -20px;
}

/* Slider Dots */
.slider-dots {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 24px;
}

.slider-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: #e0e0e0;
    cursor: pointer;
    transition: 0.2s ease;
}

.slider-dot.active {
    background-color: #000000;
}

/* No Products State */
.no-products {
    text-align: center;
    padding: 64px;
}

.no-products h2 {
    font-size: 24px;
    font-weight: 600;
    color: #000000;
    margin-bottom: 24px;
}

.no-products p {
    font-size: 16px;
    color: #888888;
}