.reading-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 3px;
    background: linear-gradient(90deg, #667eea, #764ba2);
    z-index: 9999;
    transition: width 0.1s;
}
.post-cover {
    width: 100%;
    max-height: 420px;
    object-fit: cover;
    border-radius: 16px;
    margin-bottom: 32px;
}
.post-cover-placeholder {
    width: 100%;
    height: 280px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 80px;
    margin-bottom: 32px;
}
.post-content {
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-primary);
}
.post-content h2, .post-content h3 { margin-top: 32px; margin-bottom: 12px; color: var(--text-primary); }
.post-content p { margin-bottom: 16px; }
.post-content ul, .post-content ol { padding-left: 24px; margin-bottom: 16px; }
.post-content li { margin-bottom: 8px; }
.post-content blockquote {
    border-left: 4px solid #667eea;
    padding: 12px 20px;
    background: var(--bg-section);
    border-radius: 0 8px 8px 0;
    margin: 20px 0;
    font-style: italic;
}
.reaction-card {
    background: var(--bg-card);
    border-radius: 12px;
    padding: 28px;
    text-align: center;
    box-shadow: 0 2px 10px var(--shadow);
    margin: 40px 0;
}
.reaction-btn {
    padding: 12px 28px;
    border-radius: 30px;
    border: 2px solid var(--border);
    background: var(--bg-section);
    color: var(--text-primary);
    font-size: 16px;
    cursor: pointer;
    transition: all 0.2s;
    margin: 0 8px;
}
.reaction-btn:hover { transform: scale(1.05); }
.reaction-btn.voted { border-color: #667eea; background: linear-gradient(135deg, #667eea22, #764ba222); }
.reaction-btn:disabled { opacity: 0.7; cursor: not-allowed; transform: none; }
@keyframes reactionSpin { to { transform: rotate(360deg); } }
.related-card {
    background: var(--bg-card);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 2px 8px var(--shadow);
    cursor: pointer;
    transition: transform 0.2s;
}
.related-card:hover { transform: translateY(-3px); }
.related-card img { width: 100%; height: 130px; object-fit: cover; }
.related-card-placeholder { width: 100%; height: 130px; background: linear-gradient(135deg, #667eea22, #764ba222); display: flex; align-items: center; justify-content: center; font-size: 36px; }

/* Comments */
.comments-section { margin-top: 48px; }
.comment-form-card {
    background: var(--bg-card);
    border-radius: 12px;
    padding: 24px;
    box-shadow: 0 2px 10px var(--shadow);
    margin-bottom: 8px;
}
.comment-input {
    width: 100%;
    padding: 10px 14px;
    border: 1.5px solid var(--border);
    border-radius: 8px;
    background: var(--bg-section);
    color: var(--text-primary);
    font-size: 14px;
    resize: vertical;
    outline: none;
    transition: border-color 0.2s;
}
.comment-input:focus { border-color: #667eea; }
.comment-submit-btn {
    padding: 10px 24px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: opacity 0.2s;
}
.comment-submit-btn:hover { opacity: 0.9; }
.comment-item {
    background: var(--bg-card);
    border-radius: 10px;
    padding: 16px 20px;
    margin-bottom: 12px;
    box-shadow: 0 1px 6px var(--shadow);
}
.comment-author { font-weight: 600; color: var(--text-primary); font-size: 14px; }
.comment-date { font-size: 12px; color: var(--text-muted); margin-left: 10px; }
.comment-message { font-size: 14px; color: var(--text-secondary); margin-top: 6px; line-height: 1.6; }
.comments-empty { text-align:center; color: var(--text-muted); padding: 24px; font-size: 14px; }

.post-bookmark-btn { padding: 5px 14px; font-size: 13px; font-weight: 600; border-radius: 20px; }

/* Tags */
.blog-tag {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    background: var(--bg-section);
    color: var(--text-secondary);
    border: 1.5px solid var(--border);
    text-decoration: none;
    transition: all 0.2s;
}
.blog-tag:hover { background: linear-gradient(135deg,#667eea,#764ba2); color: white; border-color: transparent; }

/* Share bar */
.share-bar {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    margin: 32px 0;
    padding: 20px 24px;
    background: var(--bg-card);
    border-radius: 12px;
    box-shadow: 0 2px 10px var(--shadow);
}
.share-label { font-size: 14px; font-weight: 600; color: var(--text-secondary); margin-right: 4px; }
.share-btn {
    padding: 8px 18px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    border: 1.5px solid var(--border);
    background: var(--bg-section);
    color: var(--text-primary);
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.share-btn:hover { transform: translateY(-2px); box-shadow: 0 4px 12px var(--shadow); }
.share-whatsapp:hover { border-color: #25d366; color: #25d366; }
.share-twitter:hover { border-color: #000; color: #000; }
.share-copy.copied { border-color: #22c55e; color: #22c55e; }

/* Responsive */
@media (max-width: 768px) {
    .post-cover { max-height: 260px; border-radius: 10px; margin-bottom: 20px; }
    .post-cover-placeholder { height: 180px; font-size: 56px; margin-bottom: 20px; }
    .reaction-btn { padding: 10px 18px; font-size: 14px; margin: 4px; }
    .share-bar { padding: 16px; gap: 8px; }
    .share-label { width: 100%; margin-bottom: 4px; }
    .share-btn { padding: 8px 14px; font-size: 12px; }
    .comment-form-card { padding: 16px; }
    .comments-section { margin-top: 32px; }
}
@media (max-width: 480px) {
    .post-content { font-size: 15px; }
    .post-content h2 { font-size: 20px; }
    .post-content h3 { font-size: 17px; }
    .reaction-card { padding: 20px 16px; }
    .reaction-btn { display: block; width: 100%; margin: 6px 0; }
    .share-bar { flex-direction: column; align-items: stretch; }
    .share-btn { justify-content: center; }
    .comment-item { padding: 12px 14px; }
}