/**
 * PageFace Comments System - Styles
 * 
 * 现代化、响应式的评论组件样式
 * 支持浅色/深色主题
 */

/* ============================================
   CSS Variables & Theming
   ============================================ */
:root {
    --pf-comment-bg: #ffffff;
    --pf-comment-border: #e5e7eb;
    --pf-comment-text: #374151;
    --pf-comment-text-muted: #6b7280;
    --pf-comment-link: #3b82f6;
    --pf-comment-link-hover: #2563eb;
    --pf-comment-primary: #6366f1;
    --pf-comment-primary-hover: #4f46e5;
    --pf-comment-success: #10b981;
    --pf-comment-error: #ef4444;
    --pf-comment-warning: #f59e0b;
    --pf-comment-avatar-bg: #e5e7eb;
    --pf-comment-featured-bg: #fef3c7;
    --pf-comment-featured-border: #f59e0b;
    --pf-star-color: #fbbf24;
    --pf-vote-up: #10b981;
    --pf-vote-down: #ef4444;
    --pf-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --pf-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --pf-radius-sm: 0.375rem;
    --pf-radius-md: 0.5rem;
    --pf-radius-lg: 0.75rem;
    --pf-radius-full: 9999px;
    --pf-transition: 0.2s ease;
}

/* Dark theme */
[data-bs-theme="dark"],
.dark-theme,
[data-theme="dark"] {
    --pf-comment-bg: #1f2937;
    --pf-comment-border: #374151;
    --pf-comment-text: #f3f4f6;
    --pf-comment-text-muted: #9ca3af;
    --pf-comment-avatar-bg: #374151;
    --pf-comment-featured-bg: #422006;
}

/* ============================================
   Comments Section Container
   ============================================ */
.pf-comments-section {
    margin: 2rem 0;
    font-family: inherit;
}

/* ============================================
   Section Header (Discussion Title)
   ============================================ */
.pf-section-header {
    text-align: center;
    margin-bottom: 2.5rem;
}

.pf-section-title-wrapper {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.5rem;
}

.pf-section-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #6366f1 0%, #a855f7 50%, #ec4899 100%);
    border-radius: 12px;
    color: white;
    font-size: 1.25rem;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

.pf-section-title {
    margin: 0;
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--pf-comment-text);
    background: linear-gradient(135deg, #6366f1 0%, #a855f7 50%, #ec4899 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.pf-section-subtitle {
    margin: 0;
    font-size: 0.9375rem;
    color: var(--pf-comment-text-muted);
}

/* ============================================
   Comments Header (X Comments + Sort)
   ============================================ */
.pf-comments-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding: 1rem 1.25rem;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.05) 0%, rgba(168, 85, 247, 0.05) 100%);
    border-radius: var(--pf-radius-lg);
    border: 1px solid var(--pf-comment-border);
}

.pf-comments-title {
    margin: 0;
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--pf-comment-text);
    display: flex;
    align-items: center;
    gap: 0.625rem;
}

.pf-comments-title i {
    color: var(--pf-comment-primary);
    font-size: 1.25rem;
}

/* Comment count badge */
.pf-comments-title::after {
    content: '';
}

.pf-comments-sort {
    display: flex;
    gap: 0.25rem;
    background: var(--pf-comment-bg);
    border: 1px solid var(--pf-comment-border);
    border-radius: var(--pf-radius-full);
    padding: 0.25rem;
}

.pf-sort-btn {
    padding: 0.375rem 0.75rem;
    font-size: 0.875rem;
    color: var(--pf-comment-text-muted);
    background: transparent;
    border: none;
    border-radius: var(--pf-radius-full);
    cursor: pointer;
    transition: var(--pf-transition);
}

.pf-sort-btn:hover {
    color: var(--pf-comment-text);
}

.pf-sort-btn.active {
    background: var(--pf-comment-primary);
    color: white;
}

/* ============================================
   Comments Empty State
   ============================================ */
.pf-comments-empty {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--pf-comment-text-muted);
}

.pf-comments-empty i {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

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

/* ============================================
   Comments List
   ============================================ */
.pf-comments-list {
    margin-bottom: 2rem;
}

.pf-comments-items {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

/* ============================================
   Single Comment - Enhanced Card Design
   ============================================ */
.pf-comment {
    background: var(--pf-comment-bg);
    border: 1px solid var(--pf-comment-border);
    border-left: 3px solid transparent;
    border-radius: var(--pf-radius-lg);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

/* Subtle gradient overlay on hover */
.pf-comment::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.02) 0%, rgba(168, 85, 247, 0.02) 50%, rgba(236, 72, 153, 0.01) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
    z-index: 0;
}

/* Gradient left border using pseudo element */
.pf-comment::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(180deg, #6366f1 0%, #a855f7 50%, #ec4899 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 1;
}

.pf-comment:hover {
    background: #f8f7ff;
    border-left-color: transparent;
    box-shadow: 0 4px 20px rgba(99, 102, 241, 0.08);
    transform: translateY(-1px);
}

.pf-comment:hover::before {
    opacity: 1;
}

.pf-comment:hover::after {
    opacity: 1;
}

/* Dark mode hover background */
[data-bs-theme="dark"] .pf-comment:hover,
.dark-theme .pf-comment:hover,
[data-theme="dark"] .pf-comment:hover {
    background: rgba(99, 102, 241, 0.08);
}

.pf-comment.pf-comment-featured {
    background: linear-gradient(135deg, #fffbeb 0%, #fef3c7 100%);
    border-color: var(--pf-comment-featured-border);
}

.pf-comment.pf-comment-featured::before {
    background: linear-gradient(180deg, var(--pf-star-color) 0%, #f97316 100%);
    opacity: 1;
}

.pf-comment.pf-comment-featured::after {
    background: linear-gradient(135deg, rgba(251, 191, 36, 0.05) 0%, rgba(249, 115, 22, 0.03) 100%);
    opacity: 1;
}

/* New comment animation */
.pf-comment.pf-new {
    animation: commentSlideIn 0.4s ease-out;
    background: rgba(16, 185, 129, 0.05);
}

.pf-comment.pf-new::before {
    background: linear-gradient(180deg, #10b981 0%, #059669 100%);
    opacity: 1;
}

@keyframes commentSlideIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.pf-comment-inner {
    display: flex;
    gap: 1rem;
    padding: 1.25rem;
    position: relative;
    z-index: 1;
}

/* Nested replies indentation */
.pf-comment-replies {
    margin-left: 1.5rem;
    padding-left: 1.25rem;
    border-left: 2px solid var(--pf-comment-border);
    margin-top: 0.75rem;
    position: relative;
}

.pf-comment-replies .pf-comment {
    margin-bottom: 0.75rem;
}

.pf-comment-replies .pf-comment:hover {
    background: #fdf8ff;
}

[data-bs-theme="dark"] .pf-comment-replies .pf-comment:hover,
.dark-theme .pf-comment-replies .pf-comment:hover {
    background: rgba(168, 85, 247, 0.08);
}

.pf-comment-replies .pf-comment::before {
    background: linear-gradient(180deg, #a855f7 0%, #ec4899 100%);
}

/* Deeper nesting */
.pf-comment-replies .pf-comment-replies {
    margin-left: 1rem;
    border-left-color: rgba(168, 85, 247, 0.3);
}

.pf-comment-replies .pf-comment-replies .pf-comment::before {
    background: linear-gradient(180deg, #ec4899 0%, #f97316 100%);
}

.pf-comment-replies .pf-comment-replies .pf-comment:hover {
    background: #fff8f8;
}

[data-bs-theme="dark"] .pf-comment-replies .pf-comment-replies .pf-comment:hover,
.dark-theme .pf-comment-replies .pf-comment-replies .pf-comment:hover {
    background: rgba(236, 72, 153, 0.08);
}

/* Avatar */
.pf-comment-avatar {
    flex-shrink: 0;
}

.pf-comment-avatar img {
    width: 44px;
    height: 44px;
    border-radius: var(--pf-radius-full);
    object-fit: cover;
    border: 2px solid var(--pf-comment-border);
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.pf-comment:hover .pf-comment-avatar img {
    border-color: var(--pf-comment-primary);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.15);
    transform: scale(1.05);
}

.pf-avatar-placeholder {
    width: 44px;
    height: 44px;
    border-radius: var(--pf-radius-full);
    background: linear-gradient(135deg, #6366f1 0%, #a855f7 100%);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 1.125rem;
    text-transform: uppercase;
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.25);
    transition: all 0.3s ease;
}

.pf-comment:hover .pf-avatar-placeholder {
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.35);
}

/* Smaller avatars in replies */
.pf-comment-replies .pf-comment-avatar img,
.pf-comment-replies .pf-avatar-placeholder {
    width: 36px;
    height: 36px;
    font-size: 0.9rem;
}

/* Comment Content */
.pf-comment-content {
    flex: 1;
    min-width: 0;
}

/* Comment Header */
.pf-comment-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.pf-comment-meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.pf-comment-author {
    font-weight: 600;
    color: var(--pf-comment-text);
    font-size: 0.9375rem;
}

.pf-comment-author a {
    color: inherit;
    text-decoration: none;
    transition: var(--pf-transition);
}

.pf-comment-author a:hover {
    color: var(--pf-comment-primary);
}

.pf-comment-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.125rem 0.5rem;
    font-size: 0.75rem;
    border-radius: var(--pf-radius-full);
}

.pf-badge-member {
    background: linear-gradient(135deg, #dbeafe 0%, #e0e7ff 100%);
    color: #4f46e5;
    font-weight: 500;
}

.pf-badge-featured {
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    color: #b45309;
    font-weight: 500;
}

[data-bs-theme="dark"] .pf-badge-member,
.dark-theme .pf-badge-member {
    background: linear-gradient(135deg, #1e3a5f 0%, #312e81 100%);
    color: #818cf8;
}

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

.pf-comment-date::before {
    content: '·';
    margin-right: 0.5rem;
    opacity: 0.5;
}

/* Stars Rating */
.pf-comment-stars {
    display: flex;
    gap: 0.125rem;
    color: var(--pf-star-color);
    font-size: 0.8125rem;
    filter: drop-shadow(0 1px 2px rgba(251, 191, 36, 0.3));
}

.pf-comment-stars .far {
    opacity: 0.25;
}

/* Comment Body */
.pf-comment-body {
    color: var(--pf-comment-text);
    line-height: 1.75;
    word-wrap: break-word;
    overflow-wrap: break-word;
    font-size: 0.9375rem;
    letter-spacing: 0.01em;
}

.pf-comment-body a {
    color: var(--pf-comment-link);
}

.pf-comment-body a:hover {
    color: var(--pf-comment-link-hover);
}

/* Comment Footer */
.pf-comment-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 0.75rem;
    padding-top: 0.5rem;
}

.pf-comment-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.pf-comment-permalink {
    font-size: 0.75rem;
    color: var(--pf-comment-text-muted);
    text-decoration: none;
    opacity: 0;
    transition: var(--pf-transition);
    padding: 0.25rem 0.5rem;
    border-radius: var(--pf-radius-sm);
}

.pf-comment-permalink:hover {
    background: var(--pf-comment-border);
    color: var(--pf-comment-text);
}

.pf-comment:hover .pf-comment-permalink {
    opacity: 1;
}

/* Vote Buttons */
.pf-vote-buttons {
    display: flex;
    align-items: center;
    gap: 0.375rem;
}

.pf-vote-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.4rem 0.75rem;
    font-size: 0.8125rem;
    color: var(--pf-comment-text-muted);
    background: transparent;
    border: 1px solid transparent;
    border-radius: var(--pf-radius-full);
    cursor: pointer;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.pf-vote-btn:hover {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.08) 0%, rgba(168, 85, 247, 0.06) 100%);
    color: var(--pf-comment-text);
    transform: translateY(-1px);
}

.pf-vote-btn.pf-vote-up:hover,
.pf-vote-btn.pf-vote-up.voted {
    color: var(--pf-vote-up);
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.12) 0%, rgba(5, 150, 105, 0.08) 100%);
}

.pf-vote-btn.pf-vote-up.voted {
    border-color: rgba(16, 185, 129, 0.3);
    box-shadow: 0 2px 8px rgba(16, 185, 129, 0.15);
}

.pf-vote-btn.pf-vote-down:hover,
.pf-vote-btn.pf-vote-down.voted {
    color: var(--pf-vote-down);
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.12) 0%, rgba(220, 38, 38, 0.08) 100%);
}

.pf-vote-btn.pf-vote-down.voted {
    border-color: rgba(239, 68, 68, 0.3);
    box-shadow: 0 2px 8px rgba(239, 68, 68, 0.15);
}
    border-color: var(--pf-vote-down);
}

.pf-vote-count {
    font-weight: 600;
    min-width: 1ch;
}

/* Reply & Delete Buttons */
.pf-reply-btn,
.pf-delete-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.4rem 0.875rem;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--pf-comment-text-muted);
    background: transparent;
    border: none;
    border-radius: var(--pf-radius-full);
    cursor: pointer;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.pf-reply-btn:hover {
    color: var(--pf-comment-primary);
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(168, 85, 247, 0.08) 100%);
    transform: translateY(-1px);
}

.pf-delete-btn {
    opacity: 0;
}

.pf-comment:hover .pf-delete-btn {
    opacity: 1;
}

.pf-delete-btn:hover {
    color: var(--pf-comment-error);
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.1) 0%, rgba(220, 38, 38, 0.08) 100%);
    transform: translateY(-1px);
}

/* Reply Form Container */
.pf-reply-form-container {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px dashed var(--pf-comment-border);
}

/* ============================================
   Comment Form
   ============================================ */
.pf-comment-form {
    background: var(--pf-comment-bg);
    border: 1px solid var(--pf-comment-border);
    border-radius: var(--pf-radius-lg);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    position: relative;
    transition: all 0.3s ease;
    overflow: hidden;
}

/* Gradient top border */
.pf-comment-form::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #6366f1 0%, #a855f7 50%, #ec4899 100%);
    opacity: 0.6;
    transition: opacity 0.3s ease;
}

.pf-comment-form:hover {
    border-color: rgba(99, 102, 241, 0.3);
    box-shadow: 0 8px 30px rgba(99, 102, 241, 0.1);
    transform: translateY(-2px);
}

.pf-comment-form:hover::before {
    opacity: 1;
}

/* Focus within state */
.pf-comment-form:focus-within {
    border-color: rgba(99, 102, 241, 0.4);
    box-shadow: 0 8px 30px rgba(99, 102, 241, 0.15);
}

.pf-comment-form:focus-within::before {
    opacity: 1;
    height: 4px;
}

.pf-comment-form.pf-comment-form-reply {
    margin: 0;
    padding: 1rem;
    background: rgba(99, 102, 241, 0.03);
    border: 1px dashed var(--pf-comment-border);
    transform: none;
    box-shadow: none;
}

.pf-comment-form.pf-comment-form-reply::before {
    display: none;
}

.pf-comment-form.pf-comment-form-reply:hover {
    background: rgba(99, 102, 241, 0.06);
    border-color: rgba(99, 102, 241, 0.3);
    transform: none;
}

.pf-form-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--pf-comment-border);
}

.pf-reply-indicator {
    font-size: 0.875rem;
    color: var(--pf-comment-text-muted);
}

.pf-reply-indicator i {
    color: var(--pf-comment-primary);
}

.pf-cancel-reply {
    padding: 0.25rem 0.5rem;
    color: var(--pf-comment-text-muted);
    background: transparent;
    border: none;
    border-radius: var(--pf-radius-sm);
    cursor: pointer;
    transition: var(--pf-transition);
}

.pf-cancel-reply:hover {
    color: var(--pf-comment-error);
    background: rgba(239, 68, 68, 0.1);
}

/* User Info (logged in) */
.pf-form-user-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.25rem;
    padding: 0.875rem 1rem;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.08) 0%, rgba(168, 85, 247, 0.06) 100%);
    border-radius: var(--pf-radius-lg);
    border: 1px solid rgba(99, 102, 241, 0.1);
}

.pf-user-avatar {
    width: 40px;
    height: 40px;
    border-radius: var(--pf-radius-full);
    border: 2px solid rgba(99, 102, 241, 0.2);
}

.pf-user-name {
    font-size: 0.9rem;
    color: var(--pf-comment-text-muted);
}

.pf-user-name strong {
    color: var(--pf-comment-text);
    font-weight: 600;
}

/* Form Rows */
.pf-form-row {
    margin-bottom: 1rem;
}

.pf-form-row-2col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

@media (max-width: 576px) {
    .pf-form-row-2col {
        grid-template-columns: 1fr;
    }
}

/* Form Groups */
.pf-form-group {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
}

/* Labels */
.pf-label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--pf-comment-text);
}

.pf-required {
    color: var(--pf-comment-error);
}

.pf-optional,
.pf-label-hint {
    font-weight: 400;
    color: var(--pf-comment-text-muted);
    font-size: 0.75rem;
}

/* Inputs */
.pf-input,
.pf-textarea {
    width: 100%;
    padding: 0.625rem 0.875rem;
    font-size: 1rem;
    font-family: inherit;
    color: var(--pf-comment-text);
    background: var(--pf-comment-bg);
    border: 1px solid var(--pf-comment-border);
    border-radius: var(--pf-radius-md);
    transition: var(--pf-transition);
}

.pf-input:focus,
.pf-textarea:focus {
    outline: none;
    border-color: var(--pf-comment-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.pf-input.error,
.pf-textarea.error {
    border-color: var(--pf-comment-error);
}

.pf-textarea {
    resize: vertical;
    min-height: 100px;
}

.pf-textarea-footer {
    display: flex;
    justify-content: flex-end;
    margin-top: 0.25rem;
}

.pf-char-count {
    font-size: 0.75rem;
    color: var(--pf-comment-text-muted);
}

.pf-char-count.warning {
    color: var(--pf-comment-warning);
}

.pf-char-count.error {
    color: var(--pf-comment-error);
}

/* Field Errors */
.pf-field-error {
    font-size: 0.75rem;
    color: var(--pf-comment-error);
    min-height: 1rem;
}

/* Star Rating Input */
.pf-form-group-stars {
    flex-direction: row;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.pf-star-rating {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.pf-star {
    padding: 0.25rem;
    background: transparent;
    border: none;
    cursor: pointer;
    font-size: 1.5rem;
    color: var(--pf-comment-border);
    transition: var(--pf-transition);
    position: relative;
}

.pf-star .fas {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    opacity: 0;
    color: var(--pf-star-color);
}

.pf-star:hover .far,
.pf-star.active .far {
    opacity: 0;
}

.pf-star:hover .fas,
.pf-star.active .fas {
    opacity: 1;
}

.pf-star-rating:hover .pf-star .fas {
    opacity: 0;
}

.pf-star-rating:hover .pf-star:hover .fas,
.pf-star-rating:hover .pf-star:hover ~ .pf-star .fas {
    opacity: 0;
}

.pf-star-rating .pf-star:hover .fas,
.pf-star-rating .pf-star:hover ~ .pf-star.preceding .fas {
    opacity: 1;
}

/* Fix: Show all stars up to and including hovered */
.pf-star-rating:hover .pf-star:hover .fas {
    opacity: 1;
}

.pf-star-rating[data-rating="1"] .pf-star:nth-child(-n+1) .fas,
.pf-star-rating[data-rating="2"] .pf-star:nth-child(-n+2) .fas,
.pf-star-rating[data-rating="3"] .pf-star:nth-child(-n+3) .fas,
.pf-star-rating[data-rating="4"] .pf-star:nth-child(-n+4) .fas,
.pf-star-rating[data-rating="5"] .pf-star:nth-child(-n+5) .fas {
    opacity: 1;
}

.pf-star-rating[data-rating="1"] .pf-star:nth-child(-n+1) .far,
.pf-star-rating[data-rating="2"] .pf-star:nth-child(-n+2) .far,
.pf-star-rating[data-rating="3"] .pf-star:nth-child(-n+3) .far,
.pf-star-rating[data-rating="4"] .pf-star:nth-child(-n+4) .far,
.pf-star-rating[data-rating="5"] .pf-star:nth-child(-n+5) .far {
    opacity: 0;
}

.pf-star-clear {
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
    color: var(--pf-comment-text-muted);
    background: transparent;
    border: none;
    cursor: pointer;
    transition: var(--pf-transition);
}

.pf-star-clear:hover {
    color: var(--pf-comment-error);
}

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

/* Buttons */
.pf-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    font-size: 1rem;
    font-weight: 500;
    font-family: inherit;
    border-radius: var(--pf-radius-md);
    cursor: pointer;
    transition: var(--pf-transition);
    border: 1px solid transparent;
}

.pf-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.pf-btn-primary {
    background: var(--pf-comment-primary);
    color: white;
    border-color: var(--pf-comment-primary);
}

.pf-btn-primary:hover:not(:disabled) {
    background: var(--pf-comment-primary-hover);
    border-color: var(--pf-comment-primary-hover);
}

.pf-btn-outline {
    background: transparent;
    color: var(--pf-comment-text);
    border-color: var(--pf-comment-border);
}

.pf-btn-outline:hover:not(:disabled) {
    background: var(--pf-comment-border);
}

.pf-btn-ghost {
    background: transparent;
    color: var(--pf-comment-text-muted);
    border: none;
}

.pf-btn-ghost:hover:not(:disabled) {
    color: var(--pf-comment-text);
}

.pf-btn-text {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.pf-btn-loading {
    display: none;
}

.pf-btn.loading .pf-btn-text {
    display: none !important;
}

.pf-btn.loading .pf-btn-loading {
    display: inline-flex !important;
    align-items: center;
    gap: 0.5rem;
}

/* Form Message */
.pf-form-message {
    margin-top: 1rem;
    padding: 0.75rem 1rem;
    border-radius: var(--pf-radius-md);
    font-size: 0.875rem;
}

.pf-form-message.success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--pf-comment-success);
    border: 1px solid var(--pf-comment-success);
}

.pf-form-message.error {
    background: rgba(239, 68, 68, 0.1);
    color: var(--pf-comment-error);
    border: 1px solid var(--pf-comment-error);
}

.pf-form-message.warning {
    background: rgba(245, 158, 11, 0.1);
    color: var(--pf-comment-warning);
    border: 1px solid var(--pf-comment-warning);
}

/* Load More */
.pf-comments-loadmore {
    text-align: center;
    margin-top: 1.5rem;
}

/* Honeypot Field (hidden) */
.pf-hp-field {
    position: absolute !important;
    left: -9999px !important;
    top: -9999px !important;
    height: 0 !important;
    width: 0 !important;
    overflow: hidden !important;
    opacity: 0 !important;
    pointer-events: none !important;
}

/* ============================================
   Animations
   ============================================ */
@keyframes pf-fadeIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.pf-comment.pf-new {
    animation: pf-fadeIn 0.3s ease;
}

@keyframes pf-shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

.pf-form-group.shake {
    animation: pf-shake 0.3s ease;
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 768px) {
    .pf-comments-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .pf-comments-sort {
        width: 100%;
        justify-content: center;
    }
    
    .pf-comment-inner {
        padding: 1rem;
        gap: 0.75rem;
    }
    
    .pf-comment-avatar img,
    .pf-avatar-placeholder {
        width: 36px;
        height: 36px;
        font-size: 0.9rem;
    }
    
    .pf-comment-replies {
        margin-left: 0.75rem;
        padding-left: 0.75rem;
    }
    
    .pf-comment-replies .pf-comment-avatar img,
    .pf-comment-replies .pf-avatar-placeholder {
        width: 32px;
        height: 32px;
        font-size: 0.8rem;
    }
    
    .pf-comment-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .pf-comment-stars {
        margin-top: 0.25rem;
    }
    
    .pf-comment-footer {
        flex-wrap: wrap;
        gap: 0.5rem;
    }
    
    .pf-comment-actions {
        width: 100%;
        justify-content: flex-start;
    }
    
    .pf-comment-permalink {
        opacity: 1;
    }
    
    .pf-delete-btn {
        opacity: 1;
    }
    
    .pf-comment-form {
        padding: 1rem;
    }
    
    .pf-form-row {
        flex-direction: column;
    }
    
    .pf-form-group {
        width: 100%;
    }
    
    .pf-form-actions {
        flex-direction: column;
    }
    
    .pf-form-actions .pf-btn {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .pf-comment-inner {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .pf-comment-avatar {
        display: flex;
        align-items: center;
        gap: 0.75rem;
    }
    
    .pf-vote-btn span:not(.pf-vote-count) {
        display: none;
    }
    
    .pf-reply-btn span {
        display: none;
    }
    
    .pf-comment-replies {
        margin-left: 0;
        padding-left: 0.5rem;
        border-left-width: 3px;
    }
}

/* ============================================
   Print Styles
   ============================================ */
@media print {
    .pf-comment-form,
    .pf-comment-actions,
    .pf-comments-sort,
    .pf-comments-loadmore {
        display: none !important;
    }
}