* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: #0a0a0a;
    color: #ffffff;
    min-height: 100vh;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 100px 20px;

}

/* Header */
.header {
    text-align: center;
    margin-bottom: 60px;
}

.header h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 16px;
    font-family: "Anton", sans-serif;
}

.header h1 .brand {
    color: #FF6B35;
}

.header p {
    color: #999;
    font-size: 1.1rem;
}

/* Back Button */
.back-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: #999;
    text-decoration: none;
    font-size: 1rem;
    margin-bottom: 40px;
    transition: color 0.3s;
}

.back-btn:hover {
    color: #ff8c42;
}

.back-btn svg {
    width: 20px;
    height: 20px;
}

/* Volume Grid */
.volume-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-bottom: 80px;
}

.volume-card {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    cursor: pointer;
    transition: transform 0.3s;
    height: 300px;
}

.volume-card:hover {
    transform: translateY(-8px);
}

.volume-card:hover .view-gallery-btn {
    opacity: 1;
    transform: translateY(0);
}

.volume-card:hover .volume-info h3,
.volume-card:hover .volume-info p {
    color: #ff8c42;
}

.volume-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.volume-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, transparent 40%, rgba(0,0,0,0.9));
    z-index: 1;
}

.volume-badge {
    position: absolute;
    top: 20px;
    left: 20px;
    background: #ff8c42;
    color: #000;
    padding: 8px 16px;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 6px;
    z-index: 2;
}

.volume-info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 24px;
    z-index: 2;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.volume-info h3 {
    font-size: 1.8rem;
    font-weight: 700;
    transition: color 0.3s;
}

.volume-info p {
    color: #999;
    font-size: 0.95rem;
    transition: color 0.3s;
}

.view-gallery-btn {
    background: transparent;
    border: none;
    color: #ff8c42;
    font-weight: 600;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 8px;
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.3s, transform 0.3s;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 0;
    margin-top: 4px;
}

.view-gallery-btn::before {
    content: '';
    width: 30px;
    height: 2px;
    background: #ff8c42;
}

/* Detail View */
.detail-view {
    display: none;
}

.detail-view.active {
    display: block;
}

.detail-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
}

.date-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #ff8c42;
    font-weight: 600;
}

.detail-title {
    text-align: center;
    margin-bottom: 16px;
}

.detail-title h2 {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 12px;
}

.detail-title p {
    color: #999;
    font-size: 1.05rem;
}

/* Filter Tabs */
.filter-tabs {
    display: flex;
    gap: 12px;
    margin-bottom: 40px;
}

.tab {
    background: transparent;
    border: none;
    color: #999;
    padding: 12px 24px;
    border-radius: 24px;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s;
}

.tab.active {
    background: #ff8c42;
    color: #000;
    font-weight: 600;
}

.tab:hover:not(.active) {
    background: #1a1a1a;
    color: #fff;
}

/* Media Grid */
.media-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}

.media-item {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    aspect-ratio: 16/10;
    cursor: pointer;
    transition: transform 0.3s;
}

.media-item:hover {
    transform: scale(1.05);
}

.media-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.media-item.video::after {
    content: '▶';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    background: rgba(255, 140, 66, 0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: #000;
}

/* Footer */
footer {
    text-align: center;
    padding: 40px 20px;
    color: #666;
    font-size: 0.9rem;
    border-top: 1px solid #1a1a1a;
    margin-top: 80px;
}

@media (max-width: 768px) {
    .header h1 {
        font-size: 2.5rem;
    }

    .detail-title h2 {
        font-size: 2rem;
    }

    .volume-grid,
    .media-grid {
        grid-template-columns: 1fr;
    }
}