/* 手机端专用样式 */
/* 针对小于768px的设备进行优化 */

@media (max-width: 768px) {
    /* 导航栏优化 */
    .navbar .container {
        padding: 0 16px;
        height: 60px;
    }
    
    .navbar-brand img {
        height: 36px !important;
    }
    
    /* 移动端汉堡菜单 */
    .mobile-menu-toggle {
        display: flex !important;
        flex-direction: column;
        justify-content: space-between;
        width: 30px;
        height: 21px;
        cursor: pointer;
        z-index: 1001;
    }
    
    .mobile-menu-toggle span {
        display: block;
        height: 3px;
        width: 100%;
        background: var(--primary);
        border-radius: 3px;
        transition: all 0.3s ease;
    }
    
    .mobile-menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(6px, 6px);
    }
    
    .mobile-menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(6px, -6px);
    }
    
    /* 移动端导航菜单 */
    .navbar-nav {
        position: fixed;
        top: 0;
        right: -100%;
        height: 100vh;
        width: 80%;
        background: rgba(255, 255, 255, 0.95);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 80px 20px 20px;
        transition: right 0.3s ease;
        z-index: 1000;
        display: flex !important;
        box-shadow: -5px 0 20px rgba(0, 0, 0, 0.1);
    }
    
    .navbar-nav.active {
        right: 0;
    }
    
    .navbar-nav a {
        padding: 15px 20px;
        font-size: 16px;
        border-radius: 12px;
        margin-bottom: 8px;
    }
    
    /* 用户信息区域优化 */
    .navbar-user {
        position: fixed;
        bottom: 20px;
        left: 20px;
        right: 20px;
        background: rgba(255, 255, 255, 0.9);
        backdrop-filter: blur(20px);
        padding: 16px;
        border-radius: 16px;
        box-shadow: var(--shadow-lg);
        display: none;
    }
    
    .navbar-nav.active + .navbar-user {
        display: flex;
    }
    
    .user-avatar {
        width: 50px;
        height: 50px;
    }
    
    .user-name {
        font-size: 16px;
    }
    
    .user-points {
        font-size: 14px;
    }
    
    /* 主要内容区优化 */
    .main-container {
        padding: 16px 12px;
    }
    
    /* 卡片优化 */
    .card {
        padding: 20px;
        margin-bottom: 16px;
        border-radius: 20px;
    }
    
    .card-header {
        font-size: 18px;
        margin-bottom: 16px;
        padding-bottom: 12px;
    }
    
    /* 活动卡片优化 */
    .activity-card-cover {
        height: 180px;
    }
    
    .activity-card-body {
        padding: 20px;
    }
    
    .activity-card-title {
        font-size: 18px;
        margin-bottom: 8px;
    }
    
    .activity-card-desc {
        font-size: 14px;
        margin-bottom: 12px;
    }
    
    .activity-card-footer {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }
    
    /* 用户卡片优化 */
    .user-card-cover {
        height: 200px;
        border-radius: 20px;
    }
    
    .user-card-content {
        flex-direction: column;
        align-items: center;
        text-align: center;
        margin-top: -60px;
        padding: 0 20px;
    }
    
    .user-card-avatar {
        width: 100px;
        height: 100px;
        border-width: 4px;
    }
    
    .user-card-name {
        font-size: 24px;
        margin-bottom: 4px;
    }
    
    .user-card-meta {
        justify-content: center;
        gap: 12px;
        font-size: 12px;
    }
    
    .user-card-stats {
        flex-wrap: wrap;
        justify-content: center;
        gap: 12px;
    }
    
    .stat-item {
        padding: 16px 20px;
        min-width: calc(50% - 6px);
        flex: 1;
    }
    
    .stat-number {
        font-size: 24px;
    }
    
    /* 按钮优化 */
    .btn {
        padding: 14px 24px;
        font-size: 16px;
        border-radius: 12px;
        width: 100%;
        justify-content: center;
    }
    
    .btn-sm {
        padding: 10px 16px;
        font-size: 14px;
        width: auto;
    }
    
    /* 表单优化 */
    .form-control {
        padding: 16px;
        font-size: 16px;
        border-radius: 12px;
    }
    
    /* 模态框优化 */
    .modal {
        padding: 24px;
        border-radius: 20px;
        margin: 10px;
    }
    
    .modal-header h3 {
        font-size: 20px;
    }
    
    /* 表格优化 */
    .table-container {
        border-radius: 16px;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    .table {
        min-width: 600px;
    }
    
    .table th,
    .table td {
        padding: 12px 10px;
        font-size: 13px;
        white-space: nowrap;
    }
    
    .table th {
        font-size: 12px;
    }
    
    /* 兑换记录表格 - 移动端卡片化 */
    .exchange-table {
        display: block;
    }
    
    .exchange-table thead {
        display: none;
    }
    
    .exchange-table tbody {
        display: block;
    }
    
    .exchange-table tr {
        display: block;
        background: white;
        border-radius: 12px;
        margin-bottom: 12px;
        padding: 16px;
        box-shadow: var(--shadow-sm);
        border: 1px solid var(--border-color);
    }
    
    .exchange-table td {
        display: block;
        padding: 8px 12px;
        border: none;
        text-align: left;
        font-size: 14px;
    }
    
    .exchange-table td:first-child {
        padding-top: 0;
    }
    
    .exchange-table td:last-child {
        padding-bottom: 0;
    }
    
    .exchange-table td::before {
        content: attr(data-label);
        font-weight: 600;
        color: var(--text-muted);
        font-size: 12px;
        display: block;
        margin-bottom: 4px;
    }
    
    .exchange-table td:first-child::before {
        display: none;
    }
    
    /* 移动端奖品卡片 */
    .prize-list {
        display: flex;
        flex-direction: column;
        gap: 12px;
    }
    
    .prize-card {
        flex-direction: column;
        padding: 16px;
        gap: 12px;
    }
    
    .prize-card-image {
        width: 100%;
        height: 120px;
        border-radius: 12px;
    }
    
    .prize-card-content {
        width: 100%;
    }
    
    .prize-card-title {
        font-size: 16px;
        margin-bottom: 6px;
    }
    
    .prize-card-desc {
        font-size: 13px;
        margin-bottom: 10px;
        -webkit-line-clamp: 2;
    }
    
    .prize-card-meta {
        gap: 12px;
        font-size: 12px;
    }
    
    .prize-card-action {
        width: 100%;
        margin-top: 8px;
    }
    
    .prize-card-action .btn {
        width: 100%;
        justify-content: center;
    }
    
    /* 移动端兑换记录卡片 */
    .exchange-list {
        display: flex;
        flex-direction: column;
        gap: 12px;
    }
    
    .exchange-card {
        flex-direction: column;
        padding: 16px;
        gap: 12px;
    }
    
    .exchange-card-main {
        width: 100%;
    }
    
    .exchange-card-title {
        font-size: 15px;
        margin-bottom: 4px;
    }
    
    .exchange-card-activity {
        font-size: 12px;
        margin-bottom: 10px;
    }
    
    .exchange-card-meta {
        gap: 10px;
        font-size: 12px;
    }
    
    .exchange-card-action {
        width: 100%;
        flex-direction: row;
        flex-wrap: wrap;
        align-items: flex-start;
        gap: 12px;
        padding-top: 12px;
        border-top: 1px solid var(--border-color);
    }
    
    .exchange-card-action > div {
        flex: 1;
        min-width: 140px;
    }
    
    /* 徽章优化 */
    .badge {
        padding: 8px 12px;
        font-size: 12px;
        border-radius: 16px;
    }
}

/* 奖品卡片列表 - 桌面端 */
.prize-list {
    display: grid;
    gap: 16px;
}

.prize-card {
    display: flex;
    gap: 20px;
    padding: 20px;
    background: var(--muted-bg-color);
    border-radius: var(--main-radius);
    transition: all 0.3s;
}

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

.prize-card-image {
    width: 100px;
    height: 100px;
    background: var(--theme-color);
    border-radius: var(--main-radius);
    background-size: cover;
    background-position: center;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.prize-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.prize-card-image i {
    font-size: 40px;
    color: white;
}

.prize-card-content {
    flex: 1;
    min-width: 0;
}

.prize-card-title {
    margin: 0 0 8px 0;
    font-size: 18px;
}

.prize-card-desc {
    margin: 0 0 10px 0;
    color: var(--muted-color);
    font-size: 14px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.prize-card-meta {
    display: flex;
    gap: 20px;
    font-size: 13px;
    color: var(--muted-2-color);
    flex-wrap: wrap;
}

.prize-tag i,
.prize-points i,
.prize-stock i {
    color: var(--theme-color);
}

.prize-points {
    color: var(--theme-color);
    font-weight: 700;
}

.prize-card-action {
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

/* 兑换记录卡片 - 默认卡片布局 */
.exchange-list {
    display: grid;
    gap: 16px;
}

.exchange-card {
    display: flex;
    gap: 20px;
    padding: 20px;
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.exchange-card:hover {
    box-shadow: var(--shadow-md);
}

.exchange-card-main {
    flex: 1;
    min-width: 0;
}

.exchange-card-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.exchange-card-activity {
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 12px;
}

.exchange-card-meta {
    display: flex;
    gap: 16px;
    font-size: 13px;
    color: var(--text-secondary);
    flex-wrap: wrap;
    align-items: center;
}

.exchange-card-action {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    justify-content: center;
    gap: 8px;
    flex-shrink: 0;
}

/* 管理后台移动端适配 - 针对小于768px的设备 */
@media (max-width: 768px) {
    /* 隐藏侧边栏，添加移动端菜单 */
    .sidebar {
        position: fixed;
        top: 0;
        left: -100%;
        height: 100vh;
        width: 280px;
        z-index: 1000;
        transition: left 0.3s ease;
        background: white;
        box-shadow: 5px 0 20px rgba(0, 0, 0, 0.1);
    }
    
    .sidebar.active {
        left: 0;
    }
    
    .main-content {
        margin-left: 0 !important;
        padding: 20px 16px;
    }
    
    .page-header {
        margin-bottom: 24px;
    }
    
    .page-title {
        font-size: 24px;
    }
    
    .page-subtitle {
        font-size: 14px;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }
    
    .stat-card {
        padding: 20px;
    }
    
    .stat-card-value {
        font-size: 24px;
    }
    
    .card {
        padding: 20px;
        margin-bottom: 16px;
    }
    
    .table-container {
        border-radius: 12px;
        overflow-x: auto;
    }
    
    .table th,
    .table td {
        padding: 12px 8px;
        font-size: 12px;
        white-space: nowrap;
    }
    
    /* 移动端管理菜单按钮 */
    .admin-mobile-toggle {
        display: flex !important;
        flex-direction: column;
        justify-content: space-between;
        width: 30px;
        height: 21px;
        cursor: pointer;
        margin-right: 16px;
    }
    
    .admin-mobile-toggle span {
        display: block;
        height: 3px;
        width: 100%;
        background: var(--primary);
        border-radius: 3px;
        transition: all 0.3s ease;
    }
}

/* 针对更小屏幕的优化 */
@media (max-width: 480px) {
    .navbar .container {
        padding: 0 12px;
        height: 56px;
    }
    
    .navbar-brand img {
        height: 32px !important;
    }
    
    .main-container {
        padding: 12px 8px;
    }
    
    .user-card-cover {
        height: 160px;
    }
    
    .activity-card-cover {
        height: 160px;
    }
    
    .card {
        padding: 16px;
    }
    
    .user-card-stats {
        flex-direction: column;
        width: 100%;
    }
    
    .stat-item {
        min-width: 100%;
    }
}

/* 平板设备优化 */
@media (min-width: 769px) and (max-width: 1024px) {
    .navbar .container {
        padding: 0 20px;
    }
    
    .main-container {
        padding: 24px 20px;
    }
    
    .activity-grid {
        grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
        gap: 20px;
    }
    
    .user-card-stats {
        flex-wrap: wrap;
    }
    
    .stat-item {
        min-width: 140px;
    }
}

/* 手机端底部导航栏 */
.mobile-bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: space-around;
    align-items: center;
    height: 70px;
    z-index: 1000;
    padding: 0 16px;
    box-shadow: 0 -5px 20px rgba(0, 0, 0, 0.1);
}

.mobile-bottom-nav a {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 12px;
    padding: 8px;
    border-radius: 12px;
    transition: all 0.3s ease;
    min-width: 60px;
}

.mobile-bottom-nav a i {
    font-size: 20px;
    margin-bottom: 4px;
}

.mobile-bottom-nav a.active,
.mobile-bottom-nav a:active {
    color: var(--primary);
    background: rgba(240, 68, 148, 0.1);
    transform: scale(1.05);
}

.mobile-bottom-nav a span {
    font-weight: 500;
}

/* 主要内容区域增加底部间距 */
body.has-bottom-nav .main-container {
    padding-bottom: 90px !important;
}

/* 手机端导航优化 */
@media (max-width: 768px) {
    /* 移动端顶部导航 - 仅显示Logo */
    nav.navbar {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        height: 56px !important;
        background: rgba(255, 255, 255, 0.98) !important;
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
        z-index: 1001;
        display: flex !important;
        opacity: 1 !important;
        visibility: visible !important;
        border-bottom: 1px solid var(--border-color);
    }
    
    nav.navbar .container {
        width: 100%;
        height: 56px;
        display: flex;
        justify-content: center;
        align-items: center;
        padding: 0 16px;
    }
    
    nav.navbar .navbar-brand {
        display: flex;
        align-items: center;
        gap: 10px;
    }
    
    nav.navbar .navbar-brand img {
        height: 36px !important;
        object-fit: contain;
    }
    
    /* 隐藏移动端不需要的导航元素 */
    nav.navbar .navbar-nav,
    nav.navbar .navbar-user,
    nav.navbar .btn,
    .mobile-menu-toggle {
        display: none !important;
    }
    
    /* 汉堡菜单隐藏 */
    .mobile-menu-toggle {
        display: none !important;
    }
    
    /* 强制显示底部导航 */
    .mobile-bottom-nav {
        display: flex !important;
        opacity: 1 !important;
        visibility: visible !important;
    }
    
    /* 主体内容增加顶部间距 */
    body.has-bottom-nav .main-container {
        padding-top: 72px !important;
        padding-bottom: 90px !important;
    }
    
    body:not(.has-bottom-nav) .main-container {
        padding-top: 72px !important;
    }
}

/* 确保底部导航在大屏幕隐藏 */
@media (min-width: 769px) {
    .mobile-bottom-nav {
        display: none !important;
    }
    
    body.has-bottom-nav {
        padding-bottom: 0;
    }
}