.level-list {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    margin: 1.5rem auto;
    max-width: 1000px;
}

.level-card {
    display: flex;
    flex-direction: row;
    align-items: stretch;
    background: var(--card-bg, rgba(18, 15, 14, 0.65));
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius);
    padding: 0;
    gap: 0;
    overflow: hidden;
    transition: var(--transition);
    position: relative;
    box-shadow: var(--shadow-sm);
    text-decoration: none;
    color: var(--text-main);
    content-visibility: auto;
    contain-intrinsic-size: auto 76px;
}

.level-card:hover {
    transform: translateY(-3px);
    border-color: var(--border-primary);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.45), 0 0 20px rgba(249, 115, 22, 0.12);
    background: rgba(28, 24, 22, 0.75);
    color: var(--text-main);
}

.level-card:active {
    transform: scale(0.99);
}

.level-img {
    width: 260px;
    min-width: 260px;
    height: 145px;
    position: relative;
    overflow: hidden;
    background: #000;
    border-radius: 0;
    flex-shrink: 0;
}

.level-img::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, rgba(0,0,0,0) 65%, rgba(18, 15, 14, 0.85) 100%);
    pointer-events: none;
    z-index: 1;
}

.level-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.level-card:hover .level-img img {
    transform: scale(1.06);
}

.level-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-width: 0;
    padding: 1.25rem 1.75rem;
    gap: 0.75rem;
}

.level-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
}

.level-title {
    flex: 1;
    min-width: 0;
}

.level-title h5 {
    font-size: 1.35rem;
    margin: 0;
    font-weight: 800;
    color: #fff;
    letter-spacing: -0.01em;
    display: flex;
    align-items: center;
    min-width: 0;
    transition: var(--transition);
}

.level-name {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.level-card:hover .level-name {
    color: var(--primary);
}

.level-rank-num {
    color: var(--primary);
    font-weight: 800;
    font-family: 'Montserrat', sans-serif;
    margin-right: 8px;
    flex-shrink: 0;
}

.level-details {
    font-size: 0.9rem;
    color: var(--text-muted);
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    align-items: center;
}

.level-details .detail-item {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    background: rgba(255, 255, 255, 0.03);
    padding: 6px 14px;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    white-space: nowrap;
    transition: var(--transition);
}

.level-card:hover .level-details .detail-item {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 255, 255, 0.09);
}

.level-details strong {
    color: var(--text-main);
    font-weight: 600;
}

.passed-badge {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.95) 0%, rgba(5, 150, 105, 0.98) 100%);
    color: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.35);
    padding: 5px 12px;
    border-radius: 8px;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.03em;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    flex-shrink: 0;
    box-shadow: 0 2px 10px rgba(16, 185, 129, 0.35);
}

.level-card.passed {
    border: 1.5px solid #10b981;
    box-shadow: 0 0 16px rgba(16, 185, 129, 0.22), var(--shadow-sm);
}

.level-card.passed:hover {
    border-color: #34d399;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4), 0 0 22px rgba(16, 185, 129, 0.35);
}

@media (max-width: 768px) {
    .level-list {
        gap: 7px;
        margin: 0.75rem auto;
    }

    .level-card {
        align-items: center;
        padding: 6px 8px;
        gap: 10px;
        border-radius: 12px;
        backdrop-filter: none !important;
        -webkit-backdrop-filter: none !important;
        background: #141110;
    }

    .level-img {
        width: 104px;
        min-width: 104px;
        height: 64px;
        border-radius: 6px;
    }

    .level-img::after {
        display: none;
    }

    .level-info {
        padding: 0;
        gap: 4px;
    }

    .level-header {
        gap: 8px;
    }

    .level-title h5 {
        font-size: 0.95rem;
    }

    .level-rank-num {
        font-size: 0.95rem;
        margin-right: 4px;
    }

    .passed-badge {
        font-size: 0.65rem;
        padding: 2px 6px;
        border-radius: 4px;
        gap: 4px;
    }

    .level-details {
        font-size: 0.74rem;
        gap: 4px 8px;
    }

    .level-details .detail-item {
        padding: 0;
        background: transparent;
        border: none;
        gap: 4px;
    }

    .level-card:hover .level-details .detail-item {
        background: transparent;
        border: none;
    }
}

@media (max-width: 400px) {
    .level-img {
        width: 88px;
        min-width: 88px;
        height: 56px;
    }

    .level-title h5 {
        font-size: 0.88rem;
    }

    .level-details {
        font-size: 0.7rem;
        gap: 3px 6px;
    }
}