/* exchange-service/resources/static/css/components/_board.css */
/* 게시판 섹션 스타일 */
.board-section {
    padding: var(--space-xl) 0;
    background-color: var(--bg-primary);
}

.board-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* 탭 네비게이션 */
.board-tabs {
    display: flex;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
    border-bottom: 1px solid var(--border-secondary);
    padding-bottom: var(--space-sm);
}

.tab-item {
    padding: var(--space-sm) var(--space-md);
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 14px;
    transition: all var(--transition-fast);
    border-radius: var(--radius-md);
}

.tab-item:hover {
    color: var(--text-primary);
    background-color: var(--border-secondary);
}

.tab-item.active {
    color: var(--theme-color);
    background-color: rgba(var(--theme-color-rgb), 0.1);
}

/* 게시글 아이템 */
.post-item {
    background-color: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    margin-bottom: var(--space-md);
}

.post-header {
    margin-bottom: var(--space-md);
}

.post-author {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.author-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    overflow: hidden;
}

.author-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.author-avatar img.avatar-svg {
    background-color: transparent;
}

.author-avatar .initial-avatar {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    color: #fff;
    font-size: 14px;
    font-weight: 600;
}

.author-info {
    display: flex;
    flex-direction: column;
}

.author-name {
    font-weight: 600;
    color: var(--text-primary);
    max-width: 12em;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.post-date {
    font-size: 12px;
    color: var(--text-tertiary);
}

/* 게시글 내용 */
.post-content {
    margin-bottom: var(--space-md);
}

.post-text {
    color: var(--text-primary);
    line-height: 1.6;
    margin-bottom: var(--space-sm);
}

.post-text.clamp {
    display: -webkit-box;
    -webkit-line-clamp: 4;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.btn-more {
    background: none;
    border: none;
    color: var(--theme-color);
    padding: 0;
    font-size: 14px;
    cursor: pointer;
}

/* 게시글 하단 */
.post-footer {
    border-top: 1px solid var(--border-secondary);
    padding-top: var(--space-md);
}

.post-actions {
    display: flex;
    gap: var(--space-md);
}

.btn-like,
.btn-comment {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    transition: color var(--transition-fast);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-md);
}

.btn-like:hover,
.btn-comment:hover {
    color: var(--text-primary);
    background-color: var(--bg-tertiary);
}

.like-icon,
.comment-icon {
    display: flex;
    align-items: center;
    justify-content: center;
}

.like-icon svg,
.comment-icon svg {
    width: 18px;
    height: 18px;
    transition: transform var(--transition-fast), fill var(--transition-fast);
}

.btn-like:hover .like-icon svg {
    transform: scale(1.1);
}

/* 기본 상태: 빈 하트 유지 */
.btn-like:not(.liked) .like-icon svg {
    fill: none !important;
}

/* 좋아요 눌린 상태 */
.btn-like.liked {
    color: #ff4757;
}

.btn-like.liked .like-icon svg {
    fill: #ff4757 !important;
    stroke: #ff4757;
}

.btn-like.liked:hover {
    color: #ff6b7a;
    background-color: rgba(255, 71, 87, 0.1);
}

.btn-like.liked:hover .like-icon svg {
    fill: #ff6b7a !important;
    stroke: #ff6b7a;
}

/* 댓글 영역 */
.comments-section {
    margin-top: var(--space-md);
    border-top: 1px solid var(--border-secondary);
    padding-top: var(--space-md);
    display: none;
}

.comments-section.expanded {
    display: block;
}

/* 댓글 목록 */
.comment-list {
    margin-bottom: var(--space-md);
}

.comment-item {
    display: flex;
    gap: var(--space-sm);
    padding: var(--space-sm) 0;
}

.comment-item + .comment-item {
    border-top: 1px solid var(--border-secondary);
}

.comment-avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    overflow: hidden;
    flex-shrink: 0;
}

.comment-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
}

.comment-avatar .initial-avatar {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    color: #fff;
    font-size: 12px;
    font-weight: 600;
}

.comment-body {
    flex: 1;
    min-width: 0;
}

.comment-header {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-xs);
}

.comment-author {
    font-weight: 600;
    font-size: 13px;
    color: var(--text-primary);
}

.comment-time {
    font-size: 12px;
    color: var(--text-tertiary);
}

.comment-text {
    font-size: 14px;
    color: var(--text-primary);
    line-height: 1.5;
    word-break: break-word;
}

.comment-actions {
    display: flex;
    gap: var(--space-md);
    margin-top: var(--space-xs);
}

.comment-actions button {
    background: none;
    border: none;
    font-size: 12px;
    color: var(--text-tertiary);
    cursor: pointer;
    padding: 0;
}

.comment-actions button:hover {
    color: var(--text-secondary);
}

/* 댓글 더보기 */
.comments-more {
    text-align: center;
    padding: var(--space-sm) 0;
}

.btn-load-more-comments {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 13px;
    cursor: pointer;
}

.btn-load-more-comments:hover {
    color: var(--theme-color);
}

/* 댓글 없음 */
.no-comments {
    text-align: center;
    padding: var(--space-md) 0;
    color: var(--text-tertiary);
    font-size: 13px;
}

/* 댓글 작성 폼 */
.comment-write {
    display: flex;
    gap: var(--space-sm);
    align-items: flex-start;
}

.comment-form {
    flex: 1;
    display: flex;
    gap: var(--space-sm);
    align-items: center;
}

.comment-input {
    flex: 1;
    padding: var(--space-sm) var(--space-md);
    background-color: var(--bg-primary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-full);
    color: var(--text-primary);
    font-size: 14px;
    min-height: 36px;
    resize: none;
    overflow: hidden;
}

.comment-input:focus {
    outline: none;
    border-color: var(--theme-color);
}

.btn-submit-comment {
    padding: var(--space-xs) var(--space-sm);
    background-color: var(--theme-color);
    color: var(--bg-primary);
    border: none;
    border-radius: var(--radius-full);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    white-space: nowrap;
    opacity: 0.5;
}

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

.btn-submit-comment:not(:disabled) {
    opacity: 1;
}

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

/* 하단 고정 게시글 작성 바 */
.bottom-write-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: var(--bg-overlay-blur);
    backdrop-filter: blur(12px);
    border-top: 1px solid var(--border-secondary);
    padding: var(--space-md) 0;
    z-index: var(--z-header);
}

.bottom-write-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    display: flex;
    gap: var(--space-md);
    align-items: flex-start;
}

.writer-profile {
    flex-shrink: 0;
}

.writer-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 600;
    color: white;
}

.writer-avatar.default {
    font-size: 14px;
}

.writer-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.write-input-wrapper {
    flex-grow: 1;
    display: flex;
    gap: var(--space-md);
    align-items: flex-start;
}

.write-input {
    flex-grow: 1;
    padding: var(--space-sm) var(--space-md);
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-full);
    color: var(--text-primary);
    font-size: 14px;
    resize: none;
    min-height: 36px;
    max-height: 120px;
    transition: all var(--transition-fast);
    overflow: hidden;
}

.write-input:focus {
    outline: none;
    border-color: var(--theme-color);
    background-color: var(--bg-tertiary);
}

.write-input::placeholder {
    color: var(--text-tertiary);
}

.btn-submit-post {
    padding: var(--space-sm) var(--space-md);
    height: 36px;
    background-color: var(--theme-color);
    color: var(--bg-primary);
    border: none;
    border-radius: var(--radius-full);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    opacity: 0.5;
    white-space: nowrap;
}

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

.btn-submit-post:not(:disabled) {
    opacity: 1;
}

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

/* 컨텐츠 영역 하단 여백 */
.post-list {
    margin-bottom: 80px;
    min-height: 200px;
}

/* 로딩 상태 */
.posts-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-xxl) 0;
    color: var(--text-tertiary);
    gap: var(--space-md);
}

.loading-spinner {
    width: 24px;
    height: 24px;
    border: 2px solid var(--border-primary);
    border-top-color: var(--theme-color);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* 게시글 없음 */
.no-posts {
    text-align: center;
    padding: var(--space-xxl) 0;
    color: var(--text-tertiary);
    font-size: 14px;
}

/* 반응형 스타일 */
@media (max-width: 768px) {
    .board-container,
    .bottom-write-container {
        padding: 0 var(--container-padding-mobile);
    }

    .board-tabs {
        overflow-x: auto;
        white-space: nowrap;
        -webkit-overflow-scrolling: touch;
        padding-bottom: var(--space-md);
    }

    .post-item {
        padding: var(--space-md);
    }

    .write-input {
        font-size: 14px;
    }
}