.post-card {
    background: var(--surface-color);
    border-radius: 10px;
    margin-bottom: 20px;
    overflow: hidden;
}

.post-thumbnail {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.post-content {
    padding: 15px;
}

.post-title {
    margin: 0 0 15px 0;
}

.join-now-btn {
    display: block;
    width: 100%;
    padding: 12px;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    color: white;
    text-align: center;
    border: none;
    border-radius: 5px;
    font-size: 1.1rem;
    cursor: pointer;
    margin-bottom: 15px;
}

.join-now-btn.disabled {
    background: #555;
    cursor: not-allowed;
}

.lang-buttons button {
    padding: 8px 15px;
    margin-right: 10px;
    border: 1px solid var(--primary-color);
    background: transparent;
    color: var(--text-color);
    cursor: pointer;
    border-radius: 5px;
}

.lang-buttons button.active {
    background: var(--primary-color);
}

.rules-container {
    margin-top: 15px;
    padding: 10px;
    border: 1px solid #444;
    border-radius: 5px;
    min-height: 100px;
}