/* 响应式样式文件 */

/* 移动设备优先 */

/* 基础样式 - 移动设备 */
.container {
    padding: 0 1rem;
}

/* 导航栏响应式 */
@media (max-width: 767px) {
    .navbar-container {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
    
    .navbar-menu {
        width: 100%;
        flex-wrap: wrap;
        gap: 0.5rem;
    }
    
    .navbar-link {
        padding: 0.5rem;
        font-size: 0.875rem;
    }
    
    .navbar-actions {
        width: 100%;
        justify-content: space-between;
    }
}

/* 侧边栏响应式 */
@media (max-width: 991px) {
    .sidebar {
        width: 100%;
        height: auto;
        position: static;
        margin-bottom: 1rem;
    }
    
    .sidebar-menu {
        display: flex;
        flex-wrap: wrap;
        gap: 0.5rem;
    }
    
    .sidebar-menu li {
        margin-bottom: 0;
    }
    
    .sidebar-link {
        padding: 0.5rem 1rem;
        font-size: 0.875rem;
    }
}

/* 主内容响应式 */
@media (max-width: 767px) {
    .main-content {
        padding: 1rem 0;
    }
    
    .card {
        padding: 1rem;
    }
    
    .post-card {
        padding: 1rem;
    }
    
    .post-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
    
    .post-actions {
        flex-wrap: wrap;
        gap: 1rem;
    }
    
    .post-action {
        font-size: 0.875rem;
    }
}

/* 表单响应式 */
@media (max-width: 767px) {
    .form-card {
        padding: 1.5rem;
        margin: 0 1rem;
    }
    
    .form-title {
        font-size: 1.25rem;
        margin-bottom: 1.5rem;
    }
    
    .form-group {
        margin-bottom: 1rem;
    }
    
    .form-control {
        padding: 0.625rem;
        font-size: 0.875rem;
    }
    
    .btn {
        padding: 0.625rem 1.25rem;
        font-size: 0.875rem;
    }
}

/* 按钮组响应式 */
@media (max-width: 767px) {
    .btn-group {
        flex-direction: column;
    }
    
    .btn-group .btn {
        width: 100%;
    }
}

/* 分页响应式 */
@media (max-width: 767px) {
    .pagination {
        flex-wrap: wrap;
        gap: 0.25rem;
    }
    
    .page-link {
        padding: 0.375rem 0.75rem;
        font-size: 0.875rem;
    }
}

/* 通知响应式 */
@media (max-width: 767px) {
    .notification {
        padding: 0.75rem;
    }
    
    .notification-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.25rem;
    }
    
    .notification-time {
        font-size: 0.75rem;
    }
}

/* 模态框响应式 */
@media (max-width: 767px) {
    .modal-content {
        width: 95%;
        margin: 1rem;
    }
    
    .modal-header {
        padding: 1rem;
    }
    
    .modal-title {
        font-size: 1.125rem;
    }
    
    .modal-body {
        padding: 1rem;
    }
    
    .modal-footer {
        padding: 1rem;
        flex-direction: column;
        align-items: stretch;
        gap: 0.5rem;
    }
    
    .modal-footer .btn {
        width: 100%;
    }
}

/* 网格响应式 */
@media (min-width: 576px) {
    .container {
        max-width: 540px;
    }
    
    .row {
        display: flex;
        flex-wrap: wrap;
        margin: 0 -1rem;
    }
    
    .col-sm-6 {
        flex: 0 0 50%;
        padding: 0 1rem;
    }
    
    .col-sm-12 {
        flex: 0 0 100%;
        padding: 0 1rem;
    }
}

@media (min-width: 768px) {
    .container {
        max-width: 720px;
    }
    
    .col-md-4 {
        flex: 0 0 33.333333%;
        padding: 0 1rem;
    }
    
    .col-md-6 {
        flex: 0 0 50%;
        padding: 0 1rem;
    }
    
    .col-md-8 {
        flex: 0 0 66.666667%;
        padding: 0 1rem;
    }
    
    .col-md-12 {
        flex: 0 0 100%;
        padding: 0 1rem;
    }
}

@media (min-width: 992px) {
    .container {
        max-width: 960px;
    }
    
    .col-lg-3 {
        flex: 0 0 25%;
        padding: 0 1rem;
    }
    
    .col-lg-4 {
        flex: 0 0 33.333333%;
        padding: 0 1rem;
    }
    
    .col-lg-6 {
        flex: 0 0 50%;
        padding: 0 1rem;
    }
    
    .col-lg-8 {
        flex: 0 0 66.666667%;
        padding: 0 1rem;
    }
    
    .col-lg-9 {
        flex: 0 0 75%;
        padding: 0 1rem;
    }
    
    .col-lg-12 {
        flex: 0 0 100%;
        padding: 0 1rem;
    }
}

@media (min-width: 1200px) {
    .container {
        max-width: 1140px;
    }
}

/* 字体大小响应式 */
@media (max-width: 767px) {
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.5rem;
    }
    
    h3 {
        font-size: 1.25rem;
    }
    
    h4 {
        font-size: 1.125rem;
    }
    
    p {
        font-size: 0.875rem;
    }
}

/* 间距响应式 */
@media (max-width: 767px) {
    .mt-5 {
        margin-top: 2rem;
    }
    
    .mb-5 {
        margin-bottom: 2rem;
    }
    
    .p-5 {
        padding: 2rem;
    }
}

/* 隐藏/显示响应式 */
@media (max-width: 767px) {
    .d-sm-none {
        display: none !important;
    }
    
    .d-sm-block {
        display: block !important;
    }
    
    .d-sm-flex {
        display: flex !important;
    }
}

@media (min-width: 768px) and (max-width: 991px) {
    .d-md-none {
        display: none !important;
    }
    
    .d-md-block {
        display: block !important;
    }
    
    .d-md-flex {
        display: flex !important;
    }
}

@media (min-width: 992px) and (max-width: 1199px) {
    .d-lg-none {
        display: none !important;
    }
    
    .d-lg-block {
        display: block !important;
    }
    
    .d-lg-flex {
        display: flex !important;
    }
    
    /* 确保row的flex布局 */
    .row {
        display: flex !important;
        flex-wrap: wrap !important;
    }
    
    /* 确保col的flex布局 */
    .col-lg-3,
    .col-lg-9 {
        flex: 0 0 auto !important;
        display: block;
    }
    
    /* 确保d-lg-block不会影响flex布局 */
    .col-lg-3.d-lg-block,
    .col-lg-9.d-lg-block {
        display: block;
    }
}

@media (min-width: 1200px) {
    .d-xl-none {
        display: none !important;
    }
    
    .d-xl-block {
        display: block !important;
    }
    
    .d-xl-flex {
        display: flex !important;
    }
}

/* 图片响应式 */
@media (max-width: 767px) {
    .img-fluid {
        max-width: 100%;
        height: auto;
    }
    
    .avatar-md {
        width: 40px;
        height: 40px;
    }
    
    .avatar-lg {
        width: 56px;
        height: 56px;
    }
}

/* 表格响应式 */
@media (max-width: 767px) {
    table {
        display: block;
        overflow-x: auto;
        white-space: nowrap;
    }
    
    .table-responsive {
        overflow-x: auto;
    }
}

/* 输入框响应式 */
@media (max-width: 767px) {
    .input-group {
        flex-direction: column;
    }
    
    .input-group .form-control {
        border-radius: var(--border-radius);
        margin-bottom: 0.5rem;
    }
    
    .input-group .btn {
        border-radius: var(--border-radius);
    }
}

/* 标签响应式 */
@media (max-width: 767px) {
    .tag {
        font-size: 0.75rem;
        padding: 0.25rem 0.5rem;
    }
}

/* 评论响应式 */
@media (max-width: 767px) {
    .comment {
        padding: 0.75rem;
    }
    
    .comment-reply {
        margin-left: 1.5rem;
    }
    
    .comment-actions {
        font-size: 0.75rem;
        gap: 0.75rem;
    }
}

/* 徽章响应式 */
@media (max-width: 767px) {
    .badge {
        font-size: 0.75rem;
        padding: 0.25rem 0.5rem;
    }
}

/* 加载更多响应式 */
@media (max-width: 767px) {
    .load-more {
        padding: 1rem;
    }
    
    .load-more-btn {
        padding: 0.625rem 1.25rem;
        font-size: 0.875rem;
    }
}

/* 空状态响应式 */
@media (max-width: 767px) {
    .empty-state {
        padding: 2rem 1rem;
    }
    
    .empty-state-icon {
        font-size: 3rem;
    }
    
    .empty-state-title {
        font-size: 1.125rem;
    }
}

/* 工具提示响应式 */
@media (max-width: 767px) {
    .tooltip::after {
        font-size: 0.75rem;
        padding: 0.375rem;
    }
}

/* 下拉菜单响应式 */
@media (max-width: 767px) {
    .dropdown-menu {
        min-width: 140px;
        right: 0;
        left: auto;
    }
    
    .dropdown-item {
        padding: 0.5rem 0.75rem;
        font-size: 0.875rem;
    }
}

/* 标签输入响应式 */
@media (max-width: 767px) {
    .tags-input {
        padding: 0.625rem;
        min-height: 40px;
    }
    
    .tag-item {
        font-size: 0.75rem;
        padding: 0.25rem 0.5rem;
    }
    
    .tags-input input {
        font-size: 0.875rem;
        min-width: 80px;
    }
}

/* 搜索框响应式 */
@media (max-width: 767px) {
    .search-box {
        width: 100%;
        margin-bottom: 1rem;
    }
    
    .search-input {
        width: 100%;
    }
}

/* 通知图标响应式 */
@media (max-width: 767px) {
    .notification-icon {
        font-size: 1.25rem;
    }
}

/* 登录/注册表单响应式 */
@media (max-width: 767px) {
    .auth-form {
        margin: 1rem;
        padding: 1.5rem;
    }
    
    .auth-title {
        font-size: 1.25rem;
    }
}

/* 个人中心响应式 */
@media (max-width: 767px) {
    .profile-header {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }
    
    .profile-stats {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .profile-nav {
        flex-wrap: wrap;
        gap: 0.5rem;
    }
}

/* 帖子详情响应式 */
@media (max-width: 767px) {
    .post-detail {
        padding: 1rem;
    }
    
    .post-detail-content {
        font-size: 0.875rem;
    }
    
    .comment-form {
        padding: 1rem;
    }
}

/* 后台管理响应式 */
@media (max-width: 767px) {
    .admin-sidebar {
        width: 100%;
        height: auto;
        position: static;
    }
    
    .admin-content {
        margin-left: 0;
    }
    
    .admin-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
    
    .admin-table {
        font-size: 0.75rem;
    }
}

/* 社团页面响应式 */
@media (max-width: 767px) {
    .club-header {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }
    
    .club-stats {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .club-nav {
        flex-wrap: wrap;
        gap: 0.5rem;
    }
}

/* 失物招领响应式 */
@media (max-width: 767px) {
    .lostfound-item {
        padding: 1rem;
    }
    
    .lostfound-info {
        flex-direction: column;
        gap: 0.5rem;
    }
}

/* 表白墙响应式 */
@media (max-width: 767px) {
    .confession-card {
        padding: 1rem;
    }
    
    .confession-target {
        font-size: 0.875rem;
    }
}

/* 投票页面响应式 */
@media (max-width: 767px) {
    .vote-card {
        padding: 1rem;
    }
    
    .vote-option {
        padding: 1rem;
    }
    
    .vote-results {
        font-size: 0.875rem;
    }
}

/* 图册页面响应式 */
@media (max-width: 767px) {
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.5rem;
    }
    
    .gallery-item {
        aspect-ratio: 1;
    }
}

/* 通知公告响应式 */
@media (max-width: 767px) {
    .notice-card {
        padding: 1rem;
    }
    
    .notice-meta {
        flex-direction: column;
        gap: 0.25rem;
        align-items: flex-start;
    }
}