.post-header-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    background: #fff;
    border-bottom: 1px solid #eee;
}

.post-header-left {
    flex: 1;
    min-width: 0;
}

.post-header-back {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: #222;
    padding: 8px;
    margin: -8px;
    border-radius: 4px;
    transition: background-color 0.2s;
    width: 100%;
}

 
.post-header-title {
    margin-left: 12px;
    font-size: 18px;
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.post-header-icons {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-left: 16px;
    flex-shrink: 0;
}

.abbrev-modal {
    position: fixed;
    z-index: 9999;
    left: 0; top: 0; width: 100vw; height: 100vh;
    background: rgba(0,0,0,0.25);
    display: flex; align-items: center; justify-content: center;
}
.abbrev-modal-content {
    background: #fff;
    border-radius: 10px;
    /* ...rest of your CSS... */
}