/**
 * HotelBook 前台样式表 - 移动端优先
 */

/* ========================================
   基础样式
   ======================================== */
* {
    box-sizing: border-box;
}

body {
    font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: #333;
    line-height: 1.6;
    background-color: #fff;
    -webkit-text-size-adjust: 100%;
}

.main-content {
    min-height: calc(100vh - 300px);
}

/* ========================================
   移动端基础优化 (576px以下)
   ======================================== */
@media (max-width: 576px) {
    body {
        font-size: 14px;
    }

    h1, .h1 { font-size: 1.5rem; }
    h2, .h2 { font-size: 1.35rem; }
    h3, .h3 { font-size: 1.15rem; }
    h4, .h4 { font-size: 1rem; }

    .card-body {
        padding: 0.75rem;
    }

    .btn {
        min-height: 44px;
        padding: 0.5rem 1rem;
        font-size: 14px;
        width: 100%;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .btn-sm {
        min-height: 36px;
        padding: 0.35rem 0.75rem;
        font-size: 13px;
    }

    .form-control, .form-select {
        min-height: 44px;
        font-size: 16px; /* 防止iOS自动缩放 */
    }

    .table {
        font-size: 12px;
    }

    .table td, .table th {
        padding: 0.4rem;
        font-size: 12px;
    }

    /* 栅格间距调整 */
    .container {
        padding-left: 12px;
        padding-right: 12px;
    }

    .row {
        margin-left: -6px;
        margin-right: -6px;
    }

    .row > * {
        padding-left: 6px;
        padding-right: 6px;
    }
}

/* ========================================
   平板端 (768px以下)
   ======================================== */
@media (max-width: 768px) {
    /* 导航栏 */
    .navbar {
        padding: 0.5rem 0;
    }

    .navbar-brand {
        font-size: 1.2rem;
    }

    .navbar-toggler {
        padding: 0.5rem;
        min-width: 44px;
        min-height: 44px;
        border: none;
    }

    .navbar-toggler:focus {
        box-shadow: none;
    }

    /* 导航菜单 */
    .navbar-collapse {
        background: white;
        padding: 1rem;
        border-radius: 0.5rem;
        margin-top: 0.5rem;
        box-shadow: 0 0.5rem 1rem rgba(0,0,0,0.15);
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        z-index: 1000;
    }

    .navbar-nav {
        margin: 0;
    }

    .navbar-nav .nav-link {
        padding: 0.75rem 1rem;
        border-radius: 0.25rem;
        color: #333 !important;
    }

    .navbar-nav .nav-link:hover,
    .navbar-nav .nav-link.active {
        background-color: #f0f0f0;
        color: #0d6efd !important;
    }

    /* 导航栏搜索框 - 桌面端隐藏，移动端全宽 */
    .navbar .d-lg-flex {
        display: none !important;
    }

    .navbar .d-lg-none {
        display: block !important;
    }

    .navbar .d-flex {
        width: 100%;
        margin: 0.5rem 0;
    }

    .navbar .input-group {
        width: 100%;
    }

    .navbar .input-group .form-control {
        min-height: 44px;
    }

    /* 用户菜单按钮 */
    .nav-item .btn {
        width: 100%;
        margin: 0.25rem 0 !important;
    }

    /* 下拉菜单 */
    .dropdown-menu {
        border: none;
        box-shadow: none;
        padding-left: 1rem;
        background: #f8f9fa;
        border-radius: 0.25rem;
    }

    /* 英雄区域 */
    .hero-section {
        padding: 40px 0 60px;
    }

    .hero-section h1 {
        font-size: 1.5rem;
    }

    .hero-section .display-4 {
        font-size: 1.75rem;
    }

    .hero-section .lead {
        font-size: 0.9rem;
    }

    /* 首页搜索框 */
    .search-box {
        margin-top: 0;
        padding: 16px;
        border-radius: 12px;
    }

    .search-box form {
        width: 100%;
    }

    .search-box .col-md-4,
    .search-box .col-md-6,
    .search-box .col-8,
    .search-box .col-4 {
        margin-bottom: 0.5rem;
    }

    .search-box .btn {
        width: 100%;
    }

    /* 酒店卡片 */
    .hotel-card .card-img-top {
        height: 160px;
    }

    .hotel-card .card-title {
        font-size: 1rem;
    }

    .hotel-card .card-body {
        padding: 0.75rem;
    }

    /* 特色服务区域 */
    .bg-light.py-5 {
        padding: 2rem 0 !important;
    }

    .bg-light.py-5 h3 {
        font-size: 1.1rem;
    }

    .bg-light.py-5 .col-md-4 {
        margin-bottom: 1.5rem;
    }

    /* 酒店详情页 */
    .gallery-main {
        border-radius: 8px;
        overflow: hidden;
    }

    .gallery-main img {
        height: 220px !important;
        width: 100%;
        object-fit: cover;
    }

    .gallery-thumbs {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        flex-wrap: nowrap;
        justify-content: flex-start;
        padding-bottom: 8px;
    }

    .gallery-thumbs img {
        width: 60px;
        height: 45px;
        flex-shrink: 0;
    }

    /* 酒店详情信息 */
    .hotel-info-row {
        flex-direction: column;
    }

    /* 设施标签 */
    .facility-tag {
        font-size: 12px;
        padding: 3px 8px;
        margin: 2px;
    }

    /* 预订侧边栏 */
    .booking-sidebar .card,
    .col-lg-4 .card.sticky-top {
        position: relative !important;
        top: 0 !important;
        margin-bottom: 1rem;
    }

    /* 排序按钮 */
    .btn-group {
        flex-wrap: wrap;
        gap: 4px;
    }

    .btn-group .btn {
        width: auto;
        font-size: 12px;
        padding: 0.35rem 0.6rem;
    }

    /* 分页 */
    .pagination {
        flex-wrap: wrap;
        justify-content: center;
        gap: 4px;
    }

    /* 底部 */
    .footer {
        padding: 2rem 0 1rem !important;
        text-align: center;
    }

    .footer .col-lg-4,
    .footer .col-lg-2,
    .footer .col-md-4 {
        margin-bottom: 1.5rem;
        text-align: center;
    }

    .footer h5, .footer h6 {
        text-align: center;
        font-size: 1rem;
    }

    .footer ul {
        text-align: center;
        padding: 0;
    }

    .footer .social-links {
        justify-content: center;
        display: flex;
        gap: 1rem;
    }

    .footer .text-md-start,
    .footer .text-md-end {
        text-align: center !important;
    }

    /* 面包屑 */
    .breadcrumb {
        font-size: 12px;
        overflow-x: auto;
        white-space: nowrap;
        -webkit-overflow-scrolling: touch;
        padding: 0.5rem 0;
    }

    /* 模态框 */
    .modal-dialog {
        margin: 0.5rem;
    }

    .modal-content {
        border-radius: 12px;
    }

    /* 订单卡片 */
    .order-card {
        border-left: none;
        border-top: 4px solid var(--primary-color);
    }

    /* 星级评分 */
    .star-rating {
        font-size: 0.85rem;
    }

    /* 图片轮播按钮 */
    .carousel-control-prev,
    .carousel-control-next {
        width: 20%;
        opacity: 0.6;
    }

    /* 表格响应式 */
    .table-responsive {
        font-size: 12px;
        border: none;
    }

    /* 筛选面板 */
    #filterCollapse {
        background: white;
        padding: 1rem;
        border-radius: 8px;
        margin-bottom: 1rem;
    }

    /* 预订页面 */
    .booking-summary {
        margin-top: 1rem;
    }

    /* 登录/注册页面 */
    .py-5 {
        padding-top: 1.5rem !important;
        padding-bottom: 1.5rem !important;
    }

    .auth-card {
        border: none;
        box-shadow: none;
    }

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

    /* 移动端导航栏登录/注册按钮 */
    .navbar-collapse .nav-item {
        width: 100%;
        margin: 0.25rem 0;
    }

    .navbar-collapse .nav-link {
        padding: 0.75rem 1rem;
        border-radius: 0.375rem;
        color: #333 !important;
        background-color: #f8f9fa;
        margin-bottom: 0.5rem;
    }

    .navbar-collapse .nav-link:hover {
        background-color: #e9ecef;
        color: #0d6efd !important;
    }

    .navbar-collapse .btn {
        width: 100%;
        margin: 0.25rem 0;
        padding: 0.75rem 1rem;
        display: flex;
        align-items: center;
        justify-content: center;
        background-color: #0d6efd;
        color: #fff !important;
        border-color: #0d6efd;
    }

    .navbar-collapse .btn:hover {
        background-color: #0b5ed7;
        border-color: #0b5ed7;
    }

    /* 移动端支付按钮 */
    .btn-lg {
        padding: 1rem 1.5rem;
        font-size: 1.1rem;
        min-height: 56px;
    }

    .d-grid .btn {
        width: 100%;
    }

    /* 确保所有按钮颜色正确 */
    .btn-primary {
        background-color: #0d6efd !important;
        border-color: #0d6efd !important;
        color: #fff !important;
    }

    .btn-primary:hover {
        background-color: #0b5ed7 !important;
        border-color: #0b5ed7 !important;
    }
}

/* ========================================
   超小屏幕 (400px以下)
   ======================================== */
@media (max-width: 400px) {
    .container {
        padding-left: 10px;
        padding-right: 10px;
    }

    .hero-section {
        padding: 30px 0 50px;
    }

    .hero-section h1,
    .hero-section .display-4 {
        font-size: 1.25rem;
    }

    .hero-section .lead {
        font-size: 0.85rem;
    }

    .hotel-card .card-img-top {
        height: 140px;
    }

    .gallery-main img {
        height: 180px !important;
    }

    .search-box {
        padding: 12px;
    }

    .btn {
        font-size: 13px;
        min-height: 42px;
    }

    .form-control, .form-select {
        font-size: 14px;
        min-height: 42px;
    }

    .footer .col-lg-4,
    .footer .col-lg-2 {
        padding-left: 0;
        padding-right: 0;
    }
}

/* ========================================
   基础样式
   ======================================== */
* {
    box-sizing: border-box;
}

body {
    font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: #333;
    line-height: 1.6;
    background-color: #fff;
}

.main-content {
    min-height: calc(100vh - 300px);
}

/* ========================================
   按钮颜色修复 - 全局覆盖
   ======================================== */
.btn-primary {
    background-color: #0d6efd !important;
    border-color: #0d6efd !important;
    color: #fff !important;
}

.btn-primary:hover,
.btn-primary:focus,
.btn-primary:active {
    background-color: #0b5ed7 !important;
    border-color: #0b5ed7 !important;
    color: #fff !important;
}

.btn-outline-primary {
    color: #0d6efd !important;
    border-color: #0d6efd !important;
    background-color: transparent !important;
}

.btn-outline-primary:hover {
    background-color: #0d6efd !important;
    border-color: #0d6efd !important;
    color: #fff !important;
}

/* ========================================
   导航栏
   ======================================== */
.navbar {
    box-shadow: var(--shadow-sm);
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.5rem;
}

.navbar .nav-link {
    font-weight: 500;
    padding: 0.75rem 1rem;
    transition: var(--transition);
}

.navbar .nav-link:hover,
.navbar .nav-link.active {
    color: var(--primary-color) !important;
}

/* ========================================
   卡片样式
   ======================================== */
.card {
    border: none;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

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

.card-img-top {
    border-radius: var(--border-radius) var(--border-radius) 0 0;
}

/* ========================================
   酒店卡片
   ======================================== */
.hotel-card {
    overflow: hidden;
    cursor: pointer;
}

.hotel-card .card-img-top {
    height: 200px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.hotel-card:hover .card-img-top {
    transform: scale(1.05);
}

.hotel-card .card-body {
    padding: 1.25rem;
}

.hotel-card .card-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.hotel-card .card-title a {
    color: #333;
    text-decoration: none;
    transition: var(--transition);
}

.hotel-card .card-title a:hover {
    color: var(--primary-color);
}

/* ========================================
   价格样式
   ======================================== */
.price-tag {
    font-size: 1.25rem;
}

.price-tag .price {
    color: var(--danger-color);
    font-weight: 700;
}

/* ========================================
   表单样式
   ======================================== */
.form-control:focus,
.form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.15);
}

.form-label {
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.input-group-text {
    background-color: var(--light-bg);
    border-right: none;
}

.input-group .form-control {
    border-left: none;
}

.input-group .form-control:focus {
    border-left: none;
}

/* ========================================
   按钮样式
   ======================================== */
.btn {
    font-weight: 500;
    padding: 0.5rem 1.25rem;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

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

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

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

/* ========================================
   星级评分
   ======================================== */
.star-rating {
    color: var(--warning-color);
}

/* ========================================
   状态标签
   ======================================== */
.badge {
    font-weight: 500;
    padding: 0.35em 0.65em;
}

/* ========================================
   订单样式
   ======================================== */
.order-card {
    border-left: 4px solid var(--primary-color);
}

.order-card .countdown {
    font-family: monospace;
    font-size: 1.1rem;
}

.order-card .countdown-time {
    font-family: monospace;
}

/* ========================================
   分页样式
   ======================================== */
.pagination {
    margin: 0;
}

.page-link {
    color: var(--primary-color);
    border-radius: var(--border-radius);
    margin: 0 2px;
}

.page-link:hover {
    color: var(--primary-hover);
    background-color: var(--light-bg);
}

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

/* ========================================
   面包屑
   ======================================== */
.breadcrumb {
    font-size: 0.9rem;
}

.breadcrumb-item a {
    color: #666;
    text-decoration: none;
}

.breadcrumb-item a:hover {
    color: var(--primary-color);
}

/* ========================================
   弹窗样式
   ======================================== */
.modal-header {
    background-color: var(--light-bg);
}

.modal-title {
    font-weight: 600;
}

/* ========================================
   工具类
   ======================================== */
.text-primary {
    color: var(--primary-color) !important;
}

.bg-primary {
    background-color: var(--primary-color) !important;
}

.border-primary {
    border-color: var(--primary-color) !important;
}

/* ========================================
   响应式调整
   ======================================== */

/* 手机端基础优化 */
@media (max-width: 576px) {
    /* 减小默认字体大小 */
    body {
        font-size: 14px;
    }
    
    /* 标题优化 */
    h1, .h1 { font-size: 1.75rem; }
    h2, .h2 { font-size: 1.5rem; }
    h3, .h3 { font-size: 1.25rem; }
    h4, .h4 { font-size: 1.1rem; }
    
    /* 卡片优化 */
    .card-body {
        padding: 0.75rem;
    }
    
    /* 按钮优化 - 确保触控区域足够大 */
    .btn {
        min-height: 44px;
        padding: 0.5rem 1rem;
        font-size: 14px;
    }
    
    .btn-sm {
        min-height: 36px;
        padding: 0.35rem 0.75rem;
    }
    
    /* 表单优化 */
    .form-control, .form-select {
        min-height: 44px;
        font-size: 14px;
    }
    
    /* 表格优化 */
    .table {
        font-size: 12px;
    }
    
    .table td, .table th {
        padding: 0.5rem;
        vertical-align: middle;
    }
}

/* 平板端 */
@media (max-width: 768px) {
    /* 导航栏优化 */
    .navbar {
        padding: 0.5rem 0;
    }
    
    .navbar-brand {
        font-size: 1.25rem;
    }
    
    .navbar-toggler {
        padding: 0.5rem;
        min-width: 44px;
        min-height: 44px;
    }
    
    /* 导航菜单优化 */
    .navbar-collapse {
        background: white;
        padding: 1rem;
        border-radius: 0.5rem;
        margin-top: 0.5rem;
        box-shadow: 0 0.5rem 1rem rgba(0,0,0,0.1);
    }
    
    .navbar-nav .nav-link {
        padding: 0.75rem 1rem;
        border-radius: 0.25rem;
    }
    
    .navbar-nav .nav-link:hover {
        background-color: #f8f9fa;
    }
    
    /* 搜索框优化 - 移动端全宽 */
    .navbar .d-flex.mx-auto {
        width: 100%;
        margin: 0.5rem 0 !important;
    }
    
    .navbar .input-group {
        width: 100%;
    }
    
    .navbar .input-group .form-control {
        min-height: 44px;
    }
    
    /* 登录/注册按钮 */
    .nav-item .btn {
        width: 100%;
        margin: 0.25rem 0 !important;
    }
    
    /* 英雄区域 */
    .hero-section {
        padding: 30px 0;
    }
    
    .hero-section h1 {
        font-size: 1.5rem;
    }
    
    .hero-section .lead {
        font-size: 0.95rem;
    }
    
    /* 搜索框 */
    .search-box {
        margin-top: 0;
        padding: 16px;
    }
    
    .search-box .col-md-4,
    .search-box .col-md-6,
    .search-box .col-md-2 {
        margin-bottom: 0.75rem;
    }
    
    /* 酒店卡片 */
    .hotel-card .card-img-top {
        height: 160px;
    }
    
    .hotel-card .card-title {
        font-size: 1rem;
    }
    
    /* 价格标签 */
    .price-tag {
        font-size: 1rem;
    }
    
    /* 图片画廊 - 移动端优化 */
    .gallery-main img {
        height: 250px !important;
    }
    
    .gallery-thumbs {
        overflow-x: auto;
        flex-wrap: nowrap;
        -webkit-overflow-scrolling: touch;
    }
    
    .gallery-thumbs img {
        width: 60px;
        height: 45px;
        flex-shrink: 0;
    }
    
    /* 酒店详情页侧边栏 */
    .col-lg-4 .card.sticky-top {
        position: relative !important;
        top: 0 !important;
        margin-bottom: 1rem;
    }
    
    /* 酒店详情信息 */
    .hotel-info-grid {
        display: flex;
        flex-direction: column;
        gap: 0.5rem;
    }
    
    /* 设施标签 */
    .facility-tag {
        font-size: 12px;
        padding: 4px 8px;
        margin: 2px;
    }
    
    /* 分页优化 */
    .pagination {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    /* 底部 */
    .footer {
        text-align: center;
    }
    
    .footer h5, .footer h6 {
        text-align: center;
        margin-top: 1rem;
    }
    
    .footer ul {
        text-align: center;
    }
    
    .footer .social-links {
        justify-content: center;
    }
    
    /* 面包屑优化 */
    .breadcrumb {
        font-size: 12px;
        overflow-x: auto;
        white-space: nowrap;
        flex-wrap: nowrap;
    }
    
    /* 模态框优化 */
    .modal-dialog {
        margin: 0.5rem;
    }
    
    /* 订单卡片 */
    .order-card {
        border-left: none;
        border-top: 4px solid var(--primary-color);
    }
    
    /* 星级评分 */
    .star-rating {
        font-size: 0.85rem;
    }
    
    /* 图片轮播按钮 */
    .carousel-control-prev,
    .carousel-control-next {
        width: 15%;
        opacity: 0.8;
    }
    
    /* 表格响应式容器 */
    .table-responsive {
        font-size: 12px;
    }
}

/* 超小屏幕 */
@media (max-width: 400px) {
    .container {
        padding-left: 10px;
        padding-right: 10px;
    }
    
    .hero-section h1 {
        font-size: 1.25rem;
    }
    
    .hotel-card .card-img-top {
        height: 140px;
    }
    
    .gallery-main img {
        height: 200px !important;
    }
}

/* ========================================
   表单响应式
   ======================================== */
@media (max-width: 576px) {
    .form-group {
        margin-bottom: 1rem;
    }
    
    /* 日期输入优化 */
    input[type="date"] {
        min-height: 44px;
    }
    
    /* 文本域 */
    textarea.form-control {
        min-height: 80px;
    }
}

/* ========================================
   酒店列表页响应式
   ======================================== */
@media (max-width: 768px) {
    .hotel-list-card {
        flex-direction: column;
    }
    
    .hotel-list-card .card-img-wrapper {
        width: 100%;
        height: 150px;
    }
    
    .hotel-list-card .card-img-wrapper img {
        height: 150px;
    }
    
    /* 排序按钮组 */
    .btn-group.flex-wrap {
        gap: 4px;
    }
    
    .btn-group.flex-wrap .btn {
        padding: 0.35rem 0.6rem;
        font-size: 12px;
    }
}

/* ========================================
   用户页面响应式
   ======================================== */
@media (max-width: 576px) {
    .auth-card {
        border: none;
        box-shadow: none;
    }
    
    .auth-card .card-body {
        padding: 1rem;
    }
    
    /* 登录页优化 */
    .py-5 {
        padding-top: 2rem !important;
        padding-bottom: 2rem !important;
    }
    
    /* 用户中心 */
    .user-sidebar {
        margin-bottom: 1.5rem;
    }
    
    .user-avatar {
        width: 60px;
        height: 60px;
    }
}
@media (max-width: 576px) {
    .booking-summary .card {
        position: relative !important;
        top: 0 !important;
    }
    
    #bookingForm .col-md-6 {
        margin-bottom: 0.75rem;
    }
}

/* ========================================
   加载动画
   ======================================== */
.loading {
    position: relative;
    pointer-events: none;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid var(--primary-color);
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* ========================================
   空状态
   ======================================== */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: #999;
}

.empty-state i {
    font-size: 4rem;
    margin-bottom: 20px;
    opacity: 0.5;
}

/* ========================================
   打印样式
   ======================================== */
@media print {
    .navbar,
    .footer,
    .breadcrumb,
    .btn {
        display: none !important;
    }
    
    .main-content {
        padding: 0;
    }
}