/* ========== Горизонтальный слайдер (галерея) ========== */
.art-slider-wrapper {
    margin: 40px 0 0;
    position: relative;
}

.art-slider {
    display: flex;
    overflow-x: hidden;
    scroll-behavior: smooth;
    gap: 15px;
    padding: 10px 0;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    -ms-overflow-style: none;
    user-select: none;
    cursor: grab;
}
.art-slider:active {
    cursor: grabbing;
}
.art-slider::-webkit-scrollbar {
    display: none;
}

.art-slider img {
    flex: 0 0 calc(25% - 12px);
    min-width: 200px;
    height: 300px;
    object-fit: cover;
    border-radius: 4px;
    scroll-snap-align: start;
    transition: transform 0.3s;
    outline: none;
    user-select: none;
    -webkit-user-drag: none;
    pointer-events: auto;
}
.art-slider img:focus {
    box-shadow: 0 0 0 3px var(--gold);
}
.art-slider img:hover {
    transform: scale(1.02);
}

/* Кнопки-стрелки */
.slider-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: transparent;
    border: none;
    font-size: 60px;
    line-height: 1;
    color: rgba(0,0,0,0.4);
    cursor: pointer;
    padding: 0 15px;
    user-select: none;
    transition: color 0.3s, text-shadow 0.3s;
    text-shadow: 0 2px 4px rgba(255,255,255,0.6);
    z-index: 10;
}
.slider-arrow:hover {
    color: var(--gold);
    text-shadow: 0 2px 4px rgba(0,0,0,0.1);
}
.slider-arrow--left {
    left: -5px;
}
.slider-arrow--right {
    right: -5px;
}

/* Точки-индикаторы */
.art-slider-dots {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 15px;
}
.art-slider-dots .dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #ccc;
    border: none;
    cursor: pointer;
    transition: background 0.3s, transform 0.2s;
    padding: 0;
}
.art-slider-dots .dot.active {
    background: var(--gold);
    transform: scale(1.3);
}

/* ========== Лайтбокс ========== */
.lightbox {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.9);
    z-index: 10000;
    justify-content: center;
    align-items: center;
    flex-direction: column;
}
.lightbox.active {
    display: flex;
}
.lightbox img {
    max-width: 90vw;
    max-height: 80vh;
    object-fit: contain;
    border-radius: 4px;
    box-shadow: 0 0 30px rgba(0,0,0,0.5);
    cursor: default;
    -webkit-user-drag: none;
    user-select: none;
}
.lightbox .close {
    position: absolute;
    top: 20px;
    right: 30px;
    color: white;
    font-size: 40px;
    cursor: pointer;
    background: transparent;
    border: none;
    line-height: 1;
}
.lightbox .prev,
.lightbox .next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    color: white;
    font-size: 60px;
    cursor: pointer;
    background: transparent;
    border: none;
    padding: 0 20px;
    user-select: none;
}
.lightbox .prev { left: 10px; }
.lightbox .next { right: 10px; }
.lightbox .counter {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    color: white;
    font-size: 16px;
}

/* ========== Адаптивность ========== */
@media (max-width: 900px) {
    .art-slider {
        padding-left: 20px;
        padding-right: 20px;
    }
    .art-slider img {
        flex: 0 0 calc(50% - 10px);
        min-width: 140px;
        height: 220px;
        scroll-snap-align: center;
    }
    .slider-arrow {
        font-size: 40px;
        padding: 0 10px;
    }
}

@media (max-width: 480px) {
    .art-slider {
        padding-left: 30px;
        padding-right: 30px;
    }
    .art-slider img {
        flex: 0 0 80%;
        min-width: 0;
        height: 250px;
        scroll-snap-align: center;
    }
    .slider-arrow {
        font-size: 36px;
        padding: 0 8px;
    }
}