/* gallery.css - стили для страницы галереи */
.gallery-page {
    max-width: var(--container-width-gallery);
    margin: 0 auto;
    padding: clamp(30px, 5vw, 40px) var(--container-padding);
    background-color: var(--primary-bg);
    animation: fadeInUp 0.5s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== HEADER ===== */
.page-header {
    text-align: center;
    margin-bottom: clamp(30px, 5vw, 40px);
    position: relative;
}

.page-header h1 {
    font-size: clamp(2rem, 5vw, 2.5rem);
    font-weight: 700;
    color: var(--text-color);
    margin: 0 0 15px 0;
    position: relative;
    display: inline-block;
}

.page-header h1::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: clamp(60px, 10vw, 80px);
    height: 3px;
    background: var(--accent-color);
    border-radius: 3px;
}

.page-description {
    font-size: clamp(1rem, 2.5vw, 1.1rem);
    color: var(--text-secondary);
    max-width: min(600px, 90%);
    margin: 20px auto 0;
    line-height: 1.6;
    padding: 0 15px;
}

/* ===== FILTER ===== */
.gallery-filter {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: clamp(8px, 2vw, 12px);
    margin: clamp(20px, 4vw, 30px) 0 20px;
    padding: clamp(15px, 3vw, 20px) 0;
    border-bottom: 1px solid var(--border-color);
}

.filter-btn {
    padding: clamp(8px, 2vw, 10px) clamp(16px, 4vw, 24px);
    border: 2px solid var(--border-color);
    background: transparent;
    color: var(--text-secondary);
    font-size: clamp(13px, 2.5vw, 15px);
    font-weight: 600;
    border-radius: 40px;
    cursor: pointer;
    transition: var(--transition-normal);
    letter-spacing: 0.5px;
    white-space: nowrap;
}

/* Планшеты и мобильные */
@media (max-width: 768px) {
    .filter-btn {
        white-space: normal;
        padding: 8px 16px;
        font-size: 13px;
    }
}

@media (max-width: 576px) {
    .gallery-filter {
        flex-direction: column;
        align-items: stretch;
        gap: 8px;
    }

    .filter-btn {
        width: 100%;
        text-align: center;
        white-space: normal;
        padding: 10px;
    }
}

@media (max-width: 360px) {
    .filter-btn {
        font-size: 12px;
        padding: 8px;
    }
}

@media (hover: hover) {
    .filter-btn:hover {
        border-color: var(--accent-color);
        color: var(--accent-color);
        transform: translateY(-2px);
    }
}

.filter-btn.active {
    background: var(--accent-color);
    border-color: var(--accent-color);
    color: white;
    box-shadow: var(--shadow-accent);
}

/* ===== NO RESULTS ===== */
.no-results,
.no-results-message {
    text-align: center;
    padding: clamp(40px, 8vw, 60px) clamp(15px, 4vw, 20px);
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    border: 2px dashed var(--border-color);
    color: var(--text-secondary);
    font-size: clamp(1rem, 2.5vw, 1.2rem);
    margin: 40px 0;
}

/* ===== SKELETON ===== */
.gallery-skeleton {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(min(320px, 100%), 1fr));
    gap: clamp(20px, 3vw, 25px);
    padding: 20px 0;
}

.skeleton-item {
    height: 350px;
    background: linear-gradient(90deg,
            var(--card-bg) 25%,
            var(--secondary-bg) 50%,
            var(--card-bg) 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
    border-radius: var(--radius-lg);
}

@keyframes loading {
    0% {
        background-position: 200% 0;
    }

    100% {
        background-position: -200% 0;
    }
}

/* ===== АДАПТИВНОСТЬ ===== */
@media (max-width: 992px) {
    .gallery-filter {
        gap: 10px;
        padding: 15px 0;
    }
}

@media (max-width: 768px) {
    .gallery-page {
        padding: 30px var(--container-padding);
    }

    .page-header {
        margin-bottom: 30px;
    }

    .page-description {
        font-size: 1rem;
    }

    .gallery-filter {
        margin: 20px 0;
    }
}

@media (max-width: 576px) {
    .gallery-page {
        padding: 20px var(--container-padding);
    }

    .page-header h1 {
        font-size: 1.8rem;
    }

    .no-results,
    .no-results-message {
        padding: 40px 15px;
    }
}

@media (max-width: 360px) {
    .page-header h1 {
        font-size: 1.5rem;
    }

    .page-description {
        font-size: 0.9rem;
    }
}

/* Ландшафтная ориентация */
@media (max-width: 768px) and (orientation: landscape) {
    .gallery-filter {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
    }

    .filter-btn {
        width: auto;
        flex: 0 1 auto;
        white-space: nowrap;
    }
}

/* Reduced motion & touch */
@media (prefers-reduced-motion: reduce) {

    .gallery-page,
    .skeleton-item,
    .filter-btn,
    .filter-btn:hover {
        animation: none;
        transition: none;
        transform: none !important;
    }

    .skeleton-item {
        animation: none;
    }
}

@media (hover: none) and (pointer: coarse) {
    .filter-btn:hover {
        transform: none;
    }
}