/* 组件样式文件 */

/* 导航栏 */
.navbar {
    background-color: var(--white);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    flex-wrap: nowrap;
    white-space: nowrap;
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
}

.navbar-brand:hover {
    color: #059669;
    text-decoration: none;
}

.navbar-menu {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-shrink: 1;
    overflow: hidden;
}

.navbar-link {
    color: var(--text-color);
    text-decoration: none;
    padding: 0.5rem 0.75rem;
    border-radius: var(--border-radius);
    transition: var(--transition);
    font-size: 0.9rem;
}

.navbar-link:hover {
    background-color: var(--light);
    color: var(--primary-color);
    text-decoration: none;
}

.navbar-link.active {
    color: var(--primary-color);
    font-weight: 500;
}

.navbar-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-shrink: 0;
}

.navbar-actions .input-group {
    max-width: 200px;
}

.navbar-actions .form-control {
    font-size: 0.9rem;
    padding: 0.5rem;
}

.navbar-actions .btn {
    font-size: 0.9rem;
    padding: 0.5rem;
}

/* 侧边栏 */
.sidebar {
    background-color: var(--white);
    box-shadow: var(--shadow);
    padding: 1.5rem;
    height: calc(100vh - 80px);
    position: sticky;
    top: 80px;
    overflow-y: auto;
}

.sidebar-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-color);
}

.sidebar-menu {
    list-style: none;
    padding: 0;
    margin: 0;
}

.sidebar-menu li {
    margin-bottom: 0.5rem;
}

.sidebar-link {
    display: flex;
    align-items: center;
    padding: 0.75rem;
    color: var(--text-color);
    text-decoration: none;
    border-radius: var(--border-radius);
    transition: var(--transition);
    gap: 0.75rem;
}

.sidebar-link:hover {
    background-color: var(--light);
    color: var(--primary-color);
    text-decoration: none;
}

.sidebar-link.active {
    background-color: rgba(16, 185, 129, 0.1);
    color: var(--primary-color);
    font-weight: 500;
}

.sidebar-divider {
    margin: 1.5rem 0;
    border-top: 1px solid var(--border-color);
}

/* 卡片组件 */
.card-header {
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1rem;
    margin-bottom: 1rem;
}

.card-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-color);
}

.card-body {
    padding: 1rem 0;
}

.card-footer {
    border-top: 1px solid var(--border-color);
    padding-top: 1rem;
    margin-top: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* 帖子卡片 */
.post-card {
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    padding: 1.5rem;
    margin-bottom: 1rem;
    transition: var(--transition);
}

.post-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

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

.post-avatar {
    flex-shrink: 0;
}

.post-meta {
    flex-grow: 1;
}

.post-author {
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 0.25rem;
}

.post-time {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.post-content {
    margin-bottom: 1rem;
    line-height: 1.6;
}

.post-media {
    margin-bottom: 1rem;
}

.post-actions {
    display: flex;
    gap: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

.post-action {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
}

.post-action:hover {
    color: var(--primary-color);
}

.post-action.active {
    color: var(--primary-color);
}

/* 评论组件 */
.comment {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
}

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

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

.comment-time {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.comment-content {
    margin-bottom: 0.75rem;
    line-height: 1.5;
}

.comment-actions {
    display: flex;
    gap: 1rem;
    font-size: 0.875rem;
}

.comment-reply {
    margin-left: 2.5rem;
    margin-top: 0.75rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--border-color);
}

/* 表单组件 */
.form-card {
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    padding: 2rem;
    max-width: 500px;
    margin: 0 auto;
}

.form-title {
    font-size: 1.5rem;
    font-weight: 600;
    text-align: center;
    margin-bottom: 2rem;
    color: var(--text-color);
}

.form-group.has-error .form-control {
    border-color: var(--danger);
}

.form-error {
    color: var(--danger);
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

/* 按钮组 */
.btn-group {
    display: flex;
    gap: 0.5rem;
}

.btn-group .btn {
    flex: 1;
}

/* 标签组件 */
.tag {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background-color: var(--light);
    border-radius: 9999px;
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-right: 0.5rem;
    margin-bottom: 0.5rem;
    transition: var(--transition);
}

.tag:hover {
    background-color: var(--primary-color);
    color: var(--white);
    text-decoration: none;
}

.tag.active {
    background-color: var(--primary-color);
    color: var(--white);
}

/* 分页组件 */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    margin-top: 2rem;
}

.page-link {
    padding: 0.5rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    color: var(--text-color);
    text-decoration: none;
    transition: var(--transition);
}

.page-link:hover {
    background-color: var(--light);
    color: var(--primary-color);
    text-decoration: none;
}

.page-link.active {
    background-color: var(--primary-color);
    color: var(--white);
    border-color: var(--primary-color);
}

/* 通知组件 */
.notification {
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    padding: 1rem;
    margin-bottom: 0.75rem;
    border-left: 4px solid var(--primary-color);
    transition: var(--transition);
}

.notification:hover {
    box-shadow: var(--shadow-lg);
}

.notification.unread {
    background-color: rgba(16, 185, 129, 0.05);
}

.notification-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.notification-title {
    font-weight: 500;
    color: var(--text-color);
}

.notification-time {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.notification-content {
    color: var(--text-secondary);
    line-height: 1.5;
}

/* 徽章组件 */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 500;
}

.badge-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--primary-color);
    margin-right: 0.25rem;
}

/* 加载更多 */
.load-more {
    text-align: center;
    padding: 1.5rem;
    margin-top: 1rem;
}

.load-more-btn {
    background-color: var(--white);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 0.75rem 1.5rem;
    color: var(--text-color);
    cursor: pointer;
    transition: var(--transition);
}

.load-more-btn:hover {
    background-color: var(--light);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

/* 空状态 */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--text-secondary);
}

.empty-state-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

.empty-state-title {
    font-size: 1.25rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--text-color);
}

.empty-state-message {
    margin-bottom: 1.5rem;
}

/* 模态框 */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.modal.show {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    width: 90%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    transform: translateY(-20px);
    transition: var(--transition);
}

.modal.show .modal-content {
    transform: translateY(0);
}

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

.modal-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-color);
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-secondary);
    transition: var(--transition);
}

.modal-close:hover {
    color: var(--text-color);
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    padding: 1.5rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
}

/* 工具提示 */
.tooltip {
    position: relative;
    display: inline-block;
}

.tooltip::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 125%;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--dark);
    color: var(--white);
    padding: 0.5rem;
    border-radius: var(--border-radius);
    font-size: 0.875rem;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 1000;
}

.tooltip:hover::after {
    opacity: 1;
    visibility: visible;
}

/* 标签输入 */
.tags-input {
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 0.75rem;
    min-height: 48px;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    align-items: center;
}

.tag-item {
    background-color: var(--light);
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.875rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.tag-remove {
    cursor: pointer;
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1;
}

.tag-remove:hover {
    color: var(--danger);
}

.tags-input input {
    flex: 1;
    border: none;
    outline: none;
    font-size: 1rem;
    min-width: 100px;
}

/* 下拉菜单 */
.dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-toggle {
    cursor: pointer;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    min-width: 160px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition);
    z-index: 1000;
}

.dropdown.show .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    display: block;
    padding: 0.75rem 1rem;
    color: var(--text-color);
    text-decoration: none;
    transition: var(--transition);
}

.dropdown-item:hover {
    background-color: var(--light);
    color: var(--primary-color);
}

.dropdown-divider {
    border-top: 1px solid var(--border-color);
    margin: 0.5rem 0;
}