/* Comments System Styling - Light Theme */

.comments-section {
    margin-top: 2rem;
    padding: 1.5rem;
    background: var(--bg-card);
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.comments-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--border-color);
}

.comments-header h3 {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}

.sort-buttons {
    display: flex;
    gap: 0.5rem;
}

.sort-btn {
    padding: 0.5rem 1rem;
    border: 1px solid var(--border-color);
    background: var(--bg-card);
    color: var(--text-secondary);
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.875rem;
    transition: all 0.2s;
}

.sort-btn:hover {
    background: var(--bg-card-header);
    color: var(--text-primary);
}

.sort-btn.active {
    background: var(--primary-gradient);
    color: #fff;
    border-color: var(--primary-color);
}

/* Login Prompt */
.login-prompt {
    padding: 1rem;
    background: var(--bg-card-header);
    border-radius: 6px;
    color: var(--text-secondary);
    text-align: center;
}

.login-prompt a {
    color: var(--primary-color);
    text-decoration: none;
}

.login-prompt a:hover {
    color: #00BE83;
    text-decoration: underline;
}

/* Comment Form */
.comment-form, .reply-form {
    margin-bottom: 2rem;
}

.comment-form textarea, .reply-form textarea {
    width: 100%;
    min-height: 100px;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    background: var(--bg-card);
    color: var(--text-primary);
    border-radius: 6px;
    font-family: inherit;
    font-size: 0.9375rem;
    resize: vertical;
    transition: border-color 0.2s;
}

.comment-form textarea:focus, .reply-form textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 153, 105, 0.2);
}

.comment-form textarea::placeholder, .reply-form textarea::placeholder {
    color: var(--text-muted);
}

.form-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 0.5rem;
}

.character-count {
    font-size: 0.8125rem;
    color: var(--text-muted);
}

.character-count.warning {
    color: #fbbf24;
}

.character-count.error {
    color: #ef4444;
}

.form-actions {
    display: flex;
    gap: 0.5rem;
}

.submit-btn, .reply-submit-btn {
    padding: 0.625rem 1.5rem;
    background: var(--primary-gradient);
    color: #fff;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
    transition: opacity 0.2s;
}

.submit-btn:hover:not(:disabled), .reply-submit-btn:hover:not(:disabled) {
    opacity: 0.9;
}

.submit-btn:disabled, .reply-submit-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.reply-cancel-btn {
    padding: 0.625rem 1.5rem;
    background: var(--bg-card-header);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.2s;
}

.reply-cancel-btn:hover {
    background: var(--border-color);
    color: var(--text-primary);
}

/* Comment Thread */
.comments-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.comment {
    padding: 1rem 0;
    border-bottom: 1px solid var(--border-color);
}

.comment:last-child {
    border-bottom: none;
}

.comment.pending-review {
    opacity: 0.6;
    background: #FEF3C7;
    padding: 1rem;
    border-radius: 6px;
}

.comment.removed {
    opacity: 0.5;
}

.comment-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.5rem;
}

.author {
    font-weight: 600;
    color: var(--text-primary);
}

.author.high-karma {
    color: var(--primary-color);
}

.karma {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.125rem 0.5rem;
    background: var(--bg-card-header);
    border-radius: 12px;
    font-size: 0.75rem;
    color: var(--text-muted);
}

.karma.high {
    background: var(--primary-gradient);
    color: #fff;
}

.timestamp {
    font-size: 0.8125rem;
    color: var(--text-muted);
}

.edited-badge {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-style: italic;
}

.comment-content {
    margin: 0.5rem 0;
    line-height: 1.6;
    color: var(--text-secondary);
}

.comment-content.removed {
    font-style: italic;
    color: var(--text-muted);
}

/* Comment Actions */
.comment-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-top: 0.75rem;
}

.vote-buttons {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.vote-btn {
    padding: 0.25rem 0.5rem;
    border: 1px solid var(--border-color);
    background: var(--bg-card);
    color: var(--text-secondary);
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.875rem;
    display: flex;
    align-items: center;
    gap: 0.25rem;
    transition: all 0.2s;
}

.vote-btn:hover:not(:disabled) {
    background: var(--bg-card-header);
    color: var(--text-primary);
}

.vote-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.vote-btn.upvoted {
    background: var(--primary-gradient);
    border-color: var(--primary-color);
    color: #fff;
}

.vote-btn.downvoted {
    background: #ef4444;
    border-color: #dc2626;
    color: #fff;
}

.comment-karma {
    font-weight: 500;
    color: var(--text-secondary);
}

.comment-karma.positive {
    color: var(--primary-color);
}

.comment-karma.negative {
    color: #ef4444;
}

.reply-btn, .edit-btn, .delete-btn, .report-btn {
    padding: 0.25rem 0.75rem;
    border: none;
    background: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 0.875rem;
    transition: color 0.2s;
}

.reply-btn:hover, .edit-btn:hover {
    color: var(--text-primary);
}

.delete-btn:hover, .report-btn:hover {
    color: #ef4444;
}

/* Nested Replies */
.comment-replies {
    list-style: none;
    padding: 0;
    margin-left: 2rem;
    margin-top: 1rem;
    border-left: 2px solid var(--border-color);
    padding-left: 1rem;
}

/* Mobile Optimizations */
@media (max-width: 768px) {
    .comments-section {
        padding: 1rem;
        margin-top: 1rem;
    }
    
    .comments-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
    
    .comments-header h3 {
        font-size: 1.125rem;
    }
    
    .sort-buttons {
        width: 100%;
        justify-content: flex-start;
        flex-wrap: wrap;
    }
    
    .sort-btn {
        flex: 1;
        min-width: 80px;
        text-align: center;
        padding: 0.5rem 0.75rem;
        font-size: 0.8125rem;
    }
    
    .comment {
        padding: 0.75rem 0;
    }
    
    .comment-header {
        flex-wrap: wrap;
        gap: 0.5rem;
    }
    
    .author {
        font-size: 0.9375rem;
    }
    
    .timestamp {
        font-size: 0.75rem;
    }
    
    .comment-content {
        font-size: 0.9375rem;
        line-height: 1.5;
    }
    
    .comment-actions {
        flex-wrap: wrap;
        gap: 0.75rem;
    }
    
    .vote-buttons {
        gap: 0.375rem;
    }
    
    .vote-btn {
        padding: 0.375rem 0.625rem;
        font-size: 0.8125rem;
        min-width: 44px; /* Minimum touch target size */
        min-height: 44px;
        justify-content: center;
    }
    
    .reply-btn, .edit-btn, .delete-btn, .report-btn {
        padding: 0.5rem 0.75rem;
        font-size: 0.8125rem;
        min-height: 44px; /* Minimum touch target size */
        display: inline-flex;
        align-items: center;
    }
    
    .comment-replies {
        margin-left: 1rem;
        padding-left: 0.75rem;
    }
    
    .comment-form textarea, .reply-form textarea {
        font-size: 1rem; /* Prevent zoom on iOS */
        min-height: 120px;
    }
    
    .form-footer {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }
    
    .form-actions {
        width: 100%;
    }
    
    .submit-btn, .reply-submit-btn, .reply-cancel-btn {
        flex: 1;
        padding: 0.75rem 1rem;
        min-height: 44px;
    }
    
    .report-modal {
        width: 95%;
        padding: 1rem;
    }
    
    .report-modal h3 {
        font-size: 1rem;
    }
    
    .modal-actions {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .cancel-btn, .submit-btn {
        width: 100%;
        min-height: 44px;
    }
    
    .edit-textarea {
        font-size: 1rem; /* Prevent zoom on iOS */
    }
    
    .edit-actions {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .save-edit-btn, .cancel-edit-btn {
        width: 100%;
        min-height: 44px;
    }
}

/* Extra small mobile devices */
@media (max-width: 480px) {
    .comments-section {
        padding: 0.75rem;
        border-radius: 0;
    }
    
    .comment-replies {
        margin-left: 0.5rem;
        padding-left: 0.5rem;
    }
    
    .karma {
        font-size: 0.6875rem;
        padding: 0.125rem 0.375rem;
    }
}

/* Reply Form */
.reply-form {
    margin-top: 1rem;
    padding: 1rem;
    background: var(--bg-card-header);
    border: 1px solid var(--border-color);
    border-radius: 6px;
}

.reply-form textarea {
    min-height: 80px;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--text-muted);
}

.empty-state-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.3;
}

.empty-state p {
    margin: 0;
    font-size: 1rem;
}

/* Loading */
.loading-spinner {
    text-align: center;
    padding: 2rem;
    color: var(--text-muted);
}

.spinner {
    display: inline-block;
    width: 2rem;
    height: 2rem;
    border: 3px solid var(--border-color);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Error Message */
.error-message {
    padding: 1rem;
    background: #FEE2E2;
    border: 1px solid #FCA5A5;
    border-radius: 6px;
    color: #991B1B;
    text-align: center;
}

/* Report Modal */
.report-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.report-modal {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.5rem;
    max-width: 500px;
    width: 90%;
    box-shadow: 0 10px 25px rgba(0,0,0,0.2);
}

.report-modal h3 {
    margin: 0 0 1rem;
    font-size: 1.125rem;
    color: var(--text-primary);
}

.report-modal textarea {
    width: 100%;
    min-height: 100px;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    background: var(--bg-card);
    color: var(--text-primary);
    border-radius: 6px;
    font-family: inherit;
}

.report-modal textarea::placeholder {
    color: var(--text-muted);
}

.modal-actions {
    display: flex;
    gap: 0.5rem;
    justify-content: flex-end;
    margin-top: 1rem;
}

.cancel-btn {
    padding: 0.625rem 1.5rem;
    background: var(--bg-card-header);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.2s;
}

.cancel-btn:hover {
    background: var(--border-color);
    color: var(--text-primary);
}

.submit-btn {
    padding: 0.625rem 1.5rem;
    background: var(--primary-gradient);
    color: #fff;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
    transition: opacity 0.2s;
}

.submit-btn:hover:not(:disabled) {
    opacity: 0.9;
}

.submit-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Edit Actions */
.edit-textarea {
    width: 100%;
    min-height: 80px;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    background: var(--bg-card);
    color: var(--text-primary);
    border-radius: 6px;
    font-family: inherit;
    font-size: 0.9375rem;
    resize: vertical;
    margin-bottom: 0.5rem;
}

.edit-textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.edit-actions {
    display: flex;
    gap: 0.5rem;
}

.save-edit-btn {
    padding: 0.5rem 1rem;
    background: var(--primary-gradient);
    color: #fff;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
    transition: opacity 0.2s;
}

.save-edit-btn:hover:not(:disabled) {
    opacity: 0.9;
}

.save-edit-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.cancel-edit-btn {
    padding: 0.5rem 1rem;
    background: var(--bg-card-header);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.2s;
}

.cancel-edit-btn:hover {
    background: var(--border-color);
    color: var(--text-primary);
}