/* Promotion Slider Styles */
.promotion-slider-container {
    position: relative;
    width: 100%;
    max-width: 100%;
    overflow: hidden;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.promotion-slider {
    position: relative;
    width: 100%;
    height: 200px;
    background: #f5f5f5;
}

.slider-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.5s ease-in-out;
    cursor: pointer;
}

.slider-slide.active {
    opacity: 1;
    z-index: 1;
}

.slider-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.slider-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0, 0, 0, 0.5);
    color: white;
    border: none;
    padding: 10px 15px;
    cursor: pointer;
    font-size: 18px;
    z-index: 10;
    transition: background 0.3s;
    border-radius: 4px;
}

.slider-btn:hover {
    background: rgba(0, 0, 0, 0.8);
}

.slider-btn-prev {
    left: 10px;
}

.slider-btn-next {
    right: 10px;
}

.slider-dots {
    position: absolute;
    bottom: 10px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
    z-index: 10;
}

.slider-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: all 0.3s;
}

.slider-dot.active {
    background: white;
    width: 24px;
    border-radius: 5px;
}

.slider-dot:hover {
    background: rgba(255, 255, 255, 0.8);
}

/* Promotion Page Styles */
.promotion-page {
    min-height: calc(100vh - 120px);
    background: #f5f5f5;
    padding: 0;
}

.promotion-container {
    max-width: 100%;
    background: white;
    min-height: calc(100vh - 120px);
}

.promotion-header {
    background: linear-gradient(135deg, #0a9580 0%, #107FDCFF 100%);
    color: white;
    padding: 20px;
    position: relative;
}

.promotion-header h2 {
    margin: 0;
    font-size: 24px;
    font-weight: 600;
    text-align: center;
}

.btn-back {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    transition: background 0.3s;
    display: flex;
    align-items: center;
    gap: 8px;
}

.btn-back:hover {
    background: rgba(255, 255, 255, 0.3);
}

.promotion-content {
    padding: 0;
}

.promotion-image-wrapper {
    width: 100%;
    background: #f8f9fa;
    position: relative;
}

.promotion-image {
    width: 100%;
    height: auto;
    display: block;
    max-height: 500px;
    object-fit: contain;
}

.promotion-description {
    padding: 24px 20px;
    background: white;
}

.promotion-description h3 {
    margin: 0 0 16px 0;
    font-size: 20px;
    font-weight: 600;
    color: #107FDCFF;
    border-bottom: 2px solid #107FDCFF;
    padding-bottom: 8px;
}

.description-text {
    font-size: 15px;
    line-height: 1.8;
    color: #333;
    white-space: pre-wrap;
    word-wrap: break-word;
}

.description-text p {
    margin: 0 0 12px 0;
}

.no-description {
    text-align: center;
    color: #999;
    font-style: italic;
    padding: 40px 20px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .promotion-slider {
        height: 180px;
    }

    .promotion-header h2 {
        font-size: 20px;
    }

    .btn-back {
        padding: 6px 12px;
        font-size: 13px;
    }

    .slider-btn {
        padding: 8px 12px;
        font-size: 16px;
    }

    .promotion-description {
        padding: 20px 16px;
    }

    .promotion-description h3 {
        font-size: 18px;
    }

    .description-text {
        font-size: 14px;
    }
}

@media (max-width: 480px) {
    .promotion-slider {
        height: 160px;
    }

    .promotion-header {
        padding: 16px;
    }

    .promotion-header h2 {
        font-size: 18px;
    }

    .slider-btn {
        padding: 6px 10px;
        font-size: 14px;
    }

    .slider-btn-prev {
        left: 5px;
    }

    .slider-btn-next {
        right: 5px;
    }
}