/* ============================================
   Neo-Brutalism Comment System
   Matches TrustedPI native design system
   ============================================ */

.comments-wrapper {
    max-width: 800px;
    margin: 4rem auto 0;
    font-family: var(--font-body);
    color: var(--color-text);
}

/* Header */
.comments-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: var(--border-thick);
}

.comments-title {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--color-primary);
}

.comments-count {
    font-size: 1rem;
    color: white;
    font-weight: 700;
    background: var(--color-primary);
    padding: 0.2rem 0.8rem;
    border: var(--border-thin);
    box-shadow: 2px 2px 0px 0px rgba(0, 0, 0, 0.1);
}

/* Sort Controls */
.comments-sort {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.sort-btn {
    background: transparent;
    border: var(--border-thin);
    padding: 0.4rem 0.8rem;
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    color: var(--color-text-muted);
    transition: var(--transition-fast);
}

.sort-btn:hover {
    color: var(--color-text);
    background: var(--color-background);
    box-shadow: 2px 2px 0px 0px var(--color-border);
    transform: translate(-1px, -1px);
}

.sort-btn.active {
    color: white;
    background: var(--color-primary);
    border-color: var(--color-primary);
    box-shadow: 2px 2px 0px 0px var(--color-accent);
}

/* Comment Form */
.comment-form {
    background: var(--color-surface);
    border: var(--border-thick);
    box-shadow: var(--shadow-brutal);
    padding: 1.5rem;
    margin-bottom: 3rem;
}

.comment-form-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.avatar-placeholder {
    width: 42px;
    height: 42px;
    background: var(--color-accent);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1rem;
    border: var(--border-thin);
    flex-shrink: 0;
}

.comment-author-input {
    flex: 1;
    padding: 0.75rem;
    background: var(--color-background);
    border: var(--border-thin);
    color: var(--color-text);
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 500;
    transition: var(--transition-fast);
}

.comment-author-input:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 2px 2px 0px 0px var(--color-accent);
}

.comment-textarea {
    width: 100%;
    padding: 1rem;
    background: var(--color-background);
    border: var(--border-thin);
    color: var(--color-text);
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.6;
    resize: vertical;
    min-height: 120px;
    transition: var(--transition-fast);
}

.comment-textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 4px 4px 0px 0px var(--color-accent);
}

.comment-form-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 1rem;
}

.char-count {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-text-muted);
}

.comment-submit {
    background: var(--color-primary);
    color: white;
    border: var(--border-thick);
    padding: 0.75rem 2rem;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    box-shadow: var(--shadow-brutal-accent);
    transition: var(--transition-fast);
}

.comment-submit:hover {
    transform: translate(2px, 2px);
    box-shadow: 2px 2px 0px 0px var(--color-accent);
    background: var(--color-accent);
}

.comment-submit:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    background: var(--color-text-muted);
    box-shadow: none;
}

/* Comment Thread */
.comment-thread {
    margin-bottom: 1.5rem;
}

.comment-replies {
    margin-left: 2rem;
    padding-left: 1.5rem;
    border-left: 4px solid var(--color-border);
}

/* Comment Node */
.comment-node {
    display: flex;
    gap: 1.25rem;
    padding: 1.5rem;
    background: var(--color-surface);
    border: var(--border-thin);
    box-shadow: 4px 4px 0px 0px rgba(0, 0, 0, 0.05);
    margin-bottom: 1rem;
    transition: var(--transition-fast);
}

.comment-node:hover {
    box-shadow: var(--shadow-brutal);
    transform: translate(-2px, -2px);
    border-color: var(--color-primary);
}

/* Vote Column */
.comment-vote-col {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    flex-shrink: 0;
    min-width: 32px;
}

.vote-btn {
    background: none;
    border: 2px solid transparent;
    cursor: pointer;
    font-size: 1.2rem;
    color: var(--color-text-muted);
    padding: 2px;
    line-height: 1;
    transition: var(--transition-fast);
    border-radius: 4px;
}

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

.vote-up:hover,
.vote-up.voted {
    color: var(--color-success);
    border-color: var(--color-success);
    background: #f0fff4;
}

.vote-down:hover,
.vote-down.voted {
    color: var(--color-accent);
    border-color: var(--color-accent);
    background: #fff5f5;
}

.vote-score {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1rem;
    color: var(--color-primary);
}

.vote-score.positive {
    color: var(--color-success);
}

.vote-score.negative {
    color: var(--color-accent);
}

/* Comment Body */
.comment-body {
    flex: 1;
    min-width: 0;
}

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

.comment-author {
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--color-primary);
    font-size: 1rem;
    background: var(--color-warning);
    padding: 0.1rem 0.5rem;
    border: 2px solid var(--color-primary);
    box-shadow: 2px 2px 0px 0px var(--color-primary);
}

.comment-time {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    font-weight: 500;
}

.comment-text {
    font-size: 1.05rem;
    line-height: 1.6;
    color: var(--color-text);
    margin-bottom: 1rem;
    word-wrap: break-word;
}

/* Actions */
.comment-actions {
    display: flex;
    gap: 1.25rem;
    border-top: 2px solid var(--color-background);
    padding-top: 0.75rem;
}

.reply-btn,
.report-btn {
    background: none;
    border: none;
    cursor: pointer;
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--color-text-muted);
    padding: 0;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    transition: var(--transition-fast);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.reply-btn:hover {
    color: var(--color-accent);
}

.report-btn:hover {
    color: var(--color-primary);
}

/* Reply Form */
.reply-form-container {
    margin-top: 1rem;
    padding-left: 0;
}

.reply-form {
    padding: 1.5rem;
    background: var(--color-background);
    border: var(--border-thin);
    box-shadow: none;
    margin-bottom: 1rem;
}

.cancel-reply-btn {
    background: white;
    border: var(--border-thin);
    color: var(--color-text);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    padding: 0.6rem 1rem;
    margin-right: 0.5rem;
    box-shadow: 2px 2px 0px 0px var(--color-border);
    transition: var(--transition-fast);
}

.cancel-reply-btn:hover {
    transform: translate(1px, 1px);
    box-shadow: 1px 1px 0px 0px var(--color-border);
}

/* Empty/Loading */
.comments-loading,
.comments-empty {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--color-text-muted);
    background: var(--color-surface);
    border: var(--border-thick);
    box-shadow: var(--shadow-brutal);
}

.loading-spinner {
    width: 32px;
    height: 32px;
    border: 4px solid var(--color-background);
    border-top-color: var(--color-accent);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 1.5rem;
}

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

/* Mobile */
@media (max-width: 640px) {
    .comments-wrapper {
        margin-top: 2rem;
        padding: 0;
    }

    .comment-node {
        padding: 1rem;
        gap: 0.75rem;
    }

    .comment-replies {
        margin-left: 0.75rem;
        padding-left: 0.75rem;
        border-left-width: 2px;
    }

    .comment-vote-col {
        min-width: 24px;
    }

    .vote-btn {
        font-size: 1rem;
    }
}