.post-detail-card {
    background: #fff;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 25px;
    max-width: 750px;
    margin: 30px auto;
    border-left: 5px solid var(--green);
}

.post-city {
    color: var(--text-muted);
    margin-bottom: 10px;
}

.post-description {
    margin: 15px 0;
    line-height: 1.6;
}

.post-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 20px;
}

.register-btn {
    background: var(--green);
    color: white;
    border: none;
    padding: 12px 16px;
    border-radius: 12px;
    cursor: pointer;
    font-weight: 700;
    width: 100%;
}

.register-btn:hover {
    background: var(--green-dark);
}

.unregister-btn {
    margin-top: 10px;
    background: #c0392b;
    color: white;
    border: none;
    padding: 12px 16px;
    border-radius: 12px;
    cursor: pointer;
    font-weight: 700;
    width: 100%;
}

.unregister-btn:hover {
    background: #a93226;
}