.container {
    max-width: 1600px;
    width: 100%;
    margin: 0 auto;
    background: white;
    border-radius: 16px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.1);
    overflow: visible;
}

.header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 24px 30px;
}

.header-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.header-left {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.header-left h1 {
    font-size: 28px;
    display: flex;
    align-items: center;
    gap: 15px;
    flex-wrap: wrap;
    margin-bottom: 10px;
}

.update-info {
    font-size: 13px;
    opacity: 0.85;
}

.stats-btn {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.3);
    padding: 8px 20px;
    border-radius: 20px;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.2s;
}

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

.source-card {
    background: rgba(255, 255, 255, 0.15);
    border-radius: 12px;
    padding: 8px 15px;
    font-size: 11px;
    line-height: 1.5;
    backdrop-filter: blur(4px);
    min-width: 210px;
}

.source-card-title {
    font-size: 11px;
    opacity: 0.9;
    margin-bottom: 4px;
}

.source-card-line {
    display: flex;
    align-items: baseline;
    gap: 6px;
    margin-top: 2px;
    flex-wrap: nowrap;
    white-space: nowrap;
}

.source-label {
    font-weight: 500;
    opacity: 0.85;
    width: 70px;
    flex-shrink: 0;
}

.source-links {
    opacity: 0.8;
    flex: 1;
    text-align: left;
    margin-left: 10px;
}

.source-links a {
    color: white;
    text-decoration: none;
    transition: opacity 0.2s;
}

.source-links a:hover {
    opacity: 0.7;
    text-decoration: underline;
}

.source-more {
    color: white;
    opacity: 0.7;
}

.category-tabs {
    display: flex;
    gap: 4px;
    padding: 0 30px;
    background: #f8f9fa;
    border-bottom: 1px solid #e0e0e0;
    flex-wrap: wrap;
}

.category-tab {
    padding: 14px 24px;
    cursor: pointer;
    background: none;
    border: none;
    font-size: 15px;
    font-weight: 500;
    color: #666;
    transition: all 0.2s;
    font-family: inherit;
}

.category-tab:hover {
    color: #667eea;
}

.category-tab.active {
    color: #667eea;
    border-bottom: 3px solid #667eea;
    margin-bottom: -1px;
}

.controls {
    padding: 20px 30px;
    background: white;
    border-bottom: 1px solid #e0e0e0;
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    align-items: center;
}

.search-box {
    flex: 1;
    min-width: 200px;
}

.search-box input {
    width: 100%;
    padding: 10px 16px;
    border: 1px solid #ddd;
    border-radius: 24px;
    font-size: 14px;
    outline: none;
}

.search-box input:focus {
    border-color: #667eea;
}

.filter-group {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

select, button {
    padding: 8px 16px;
    border: 1px solid #ddd;
    border-radius: 20px;
    background: white;
    cursor: pointer;
    font-size: 13px;
}

button:hover {
    background: #667eea;
    color: white;
    border-color: #667eea;
}

.main-content {
    display: flex;
    gap: 20px;
    padding: 20px 30px;
    align-items: flex-start;
}

.song-list-section {
    flex: 2;
    min-width: 0;
}

.cover-section {
    flex: 1;
    min-width: 280px;
    max-width: 330px;
}

.cover-card {
    background: #f8f9fa;
    border-radius: 16px;
    padding: 20px;
    text-align: center;
}

.cover-card.sticky {
    position: fixed;
    top: 20px;
    width: inherit;
    max-width: inherit;
    z-index: 99;
}

.cover-image {
    width: 100%;
    aspect-ratio: 1;
    background: #e0e0e0;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    margin-bottom: 15px;
}

.cover-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.cover-image .no-cover {
    color: #999;
    font-size: 14px;
    text-align: center;
    padding: 20px;
}

.cover-info {
    text-align: left;
    font-size: 14px;
    color: #666;
    line-height: 1.8;
}

.cover-info p {
    margin: 8px 0;
    word-break: break-word;
    display: flex;
    align-items: baseline;
}

.cover-info strong {
    color: #333;
    width: 60px;
    display: inline-block;
    flex-shrink: 0;
}

.cover-info span {
    flex: 1;
}

.stats-in-card {
    margin-top: 20px;
    padding-top: 15px;
    border-top: 1px solid #e0e0e0;
    font-size: 12px;
    color: #888;
    text-align: center;
    user-select: none;
}

.cover-wrapper {
    position: relative;
}