/* top.css - 顶部导航栏样式 */

/* 重置和基础样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* 顶部导航栏样式 */
.header {
    background: linear-gradient(135deg, #3498db, #2980b9);
    color: white;
    box-shadow: 0 2px 10px rgba(52, 152, 219, 0.3);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header .page-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
    width: 100%;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 0;
    min-height: 60px;
    gap: 15px;
}

/* Logo样式 */
.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}

.logo img {
    height: 38px;
    filter: brightness(0) invert(1);
    transition: transform 0.3s ease;
}

.logo img:hover {
    transform: scale(1.05);
}

/* 主导航菜单 */
.main-nav {
    display: flex;
    gap: 10px;
    align-items: center;
    flex-shrink: 1;
    flex-wrap: nowrap;
    min-width: 0;
}

/* 导航按钮基础样式 */
.nav-btn {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    padding: 8px 14px;
    border-radius: 8px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    white-space: nowrap;
    font-size: 0.9rem;
    flex-shrink: 0;
}

.nav-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    transform: translateY(-2px);
    border-color: rgba(255, 255, 255, 0.3);
}

.nav-btn.active {
    background: rgba(255, 255, 255, 0.25);
    color: white;
    border-color: rgba(255, 255, 255, 0.4);
}

.nav-btn span[class^="icon-"] {
    font-size: 1rem;
    flex-shrink: 0;
}

/* 下拉菜单通用样式 */
.nav-dropdown {
    position: relative;
    display: inline-block;
    flex-shrink: 0;
}

.nav-dropdown-content {
    display: none;
    position: absolute;
    left: 0;
    top: 100%;
    background-color: white;
    min-width: 180px;
    max-width: 280px;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
    z-index: 1001;
    border-radius: 0 0 8px 8px;
    overflow: hidden;
    margin-top: 0;
    padding-top: 0;
}

/* 确保hover时显示下拉菜单 - 桌面端 */
.nav-dropdown:hover .nav-dropdown-content {
    display: block;
}

.nav-dropdown-content a {
    color: #333;
    padding: 10px 16px;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
    font-size: 0.9rem;
    white-space: nowrap;
    border-top: 1px solid #eee;
}

.nav-dropdown-content a:first-child {
    border-top: none;
}

.nav-dropdown-content a:hover {
    background-color: #f1f1f1;
    color: #3498db;
    padding-left: 20px;
}

.nav-dropdown-content a span {
    display: inline-block;
    white-space: nowrap;
}

.nav-dropdown-content a span:first-child {
    flex-shrink: 0;
}

.nav-dropdown-content a span:last-child {
    flex-shrink: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 200px;
}

/* 服务下拉菜单特殊样式 */
.services-dropdown .nav-dropdown-content {
    min-width: 220px;
    max-width: 280px;
}

.services-dropdown .nav-dropdown-content a {
    padding: 12px 16px;
    white-space: normal;
}

.services-dropdown .nav-dropdown-content a span {
    white-space: normal;
    line-height: 1.3;
    word-break: break-word;
}

/* 服务器链接样式 */
.server-link {
    display: flex;
    align-items: center;
    gap: 10px;
}

.server-icon {
    width: 20px;
    height: 20px;
    object-fit: contain;
    flex-shrink: 0;
}

/* 用户区域样式 */
.user-area {
    display: flex;
    align-items: center;
    margin-left: auto;
    flex-shrink: 0;
}

/* 已登录用户样式 */
.user-info {
    display: flex;
    align-items: center;
}

.user-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: nowrap;
}

.user-action-btn {
    color: rgba(255, 255, 255, 0.9);
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    padding: 8px 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 0.9rem;
    white-space: nowrap;
    flex-shrink: 0;
    min-width: 85px;
}

.user-action-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    transform: translateY(-2px);
    border-color: rgba(255, 255, 255, 0.3);
}

/* 按钮文字样式 */
.btn-text {
    white-space: nowrap;
    display: inline-block;
    line-height: 1.2;
    font-size: 0.9rem;
}

/* 登录/注册按钮样式 */
.auth-buttons {
    display: flex;
    gap: 12px;
    align-items: center;
    flex-wrap: nowrap;
}

.auth-dropdown {
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.auth-btn {
    padding: 8px 18px;
    border-radius: 8px;
    font-weight: 500;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: all 0.3s ease;
    border: 1px solid transparent;
    color: white;
    font-size: 0.9rem;
    white-space: nowrap;
    flex-shrink: 0;
    min-width: 75px;
}

.login-btn {
    background: #0091B1;
    border-color: #0082a1;
}

.login-btn:hover {
    background: #0082a1;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 145, 177, 0.3);
}

.register-btn {
    background: #F29111;
    border-color: #e08510;
}

.register-btn:hover {
    background: #e08510;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(242, 145, 17, 0.3);
}

/* 下拉菜单样式（用于登录） */
.dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-content {
    display: none;
    position: absolute;
    right: 0;
    top: 100%;
    background-color: white;
    min-width: 150px;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
    z-index: 1001;
    border-radius: 0 0 8px 8px;
    overflow: hidden;
    margin-top: 0;
    border-top: none;
}

.dropdown-content a {
    color: #333;
    padding: 10px 16px;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
    font-size: 0.9rem;
    white-space: nowrap;
}

.dropdown-content a:hover {
    background-color: #f1f1f1;
    color: #3498db;
    padding-left: 20px;
}

.dropdown:hover .dropdown-content {
    display: block;
}

/* 自定义图标样式 */
.icon-home:before { content: "🏠"; }
.icon-server:before { content: "🖥️"; }
.icon-phone:before { content: "📞"; }
.icon-miniapp:before { content: "🏭"; }
.icon-camera:before { content: "📷"; }
.icon-logout:before { content: "🚪"; }

/* ========== 响应式设计 ========== */

/* 中等屏幕优化 (1200px - 1100px) */
@media (max-width: 1200px) {
    .header .page-container {
        padding: 0 15px;
    }

    .main-nav {
        gap: 8px;
    }

    .nav-btn {
        padding: 7px 12px;
        font-size: 0.85rem;
    }

    .user-action-btn, .auth-btn {
        padding: 7px 14px;
        font-size: 0.85rem;
        min-width: 75px;
    }

    .btn-text {
        font-size: 0.85rem;
    }
}

/* 较大屏幕断点 (1100px - 950px) */
@media (max-width: 1100px) {
    .header-content {
        gap: 12px;
    }

    .main-nav {
        gap: 6px;
    }

    .nav-btn {
        padding: 6px 10px;
        font-size: 0.85rem;
    }

    .user-action-btn, .auth-btn {
        padding: 6px 12px;
        font-size: 0.85rem;
        min-width: 70px;
    }
}

/* 平板横屏 (950px - 768px) - 开始换行布局 */
@media (max-width: 950px) {
    .header-content {
        flex-wrap: wrap;
        justify-content: space-between;
        gap: 10px;
        padding: 10px 0;
    }

    .logo {
        order: 1;
    }

    .user-area {
        order: 2;
        margin-left: auto;
    }

    .main-nav {
        order: 3;
        width: 100%;
        justify-content: center;
        margin: 5px 0 0 0;
        gap: 8px;
        flex-wrap: wrap;
    }

    .nav-dropdown-content {
        left: 50%;
        transform: translateX(-50%);
    }

    .services-dropdown .nav-dropdown-content {
        left: 50%;
        transform: translateX(-50%);
    }
}

/* 平板竖屏 (768px - 480px) - 移动端点击展开 */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 12px;
        text-align: center;
        padding: 12px 0;
    }

    .logo {
        justify-content: center;
        order: 1;
    }

    .user-area {
        order: 2;
        margin-left: 0;
        width: 100%;
        justify-content: center;
    }

    .main-nav {
        order: 3;
        flex-direction: column;
        width: 100%;
        gap: 8px;
        margin: 0;
    }

    .nav-btn, .user-action-btn, .auth-btn {
        width: 100%;
        justify-content: center;
        padding: 10px 16px;
        font-size: 0.9rem;
    }

    .nav-dropdown {
        width: 100%;
    }

    .nav-dropdown .nav-btn {
        width: 100%;
    }

    /* 移动端禁用hover效果，使用点击展开 */
    .nav-dropdown:hover .nav-dropdown-content {
        display: none;
    }

    /* 移动端下拉菜单样式调整 */
    .dropdown-content, .nav-dropdown-content {
        position: static;
        display: none;
        width: 100%;
        margin-top: 5px;
        border-radius: 8px;
        transform: none;
        box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
        max-width: none;
    }

    .nav-dropdown-content a span:last-child {
        max-width: none;
        white-space: normal;
    }

    .services-dropdown .nav-dropdown-content {
        left: auto;
        transform: none;
    }

    /* 移动端点击展开的类 */
    .dropdown-content.show,
    .nav-dropdown-content.show {
        display: block;
    }

    .auth-buttons, .user-actions {
        flex-direction: column;
        width: 100%;
        gap: 8px;
    }

    .btn-text {
        white-space: normal;
        font-size: 0.9rem;
    }

    .server-icon {
        width: 18px;
        height: 18px;
    }
}

/* 手机竖屏 (480px 以下) */
@media (max-width: 480px) {
    .header .page-container {
        padding: 0 12px;
    }

    .logo img {
        height: 32px;
    }

    .nav-btn {
        padding: 8px 12px;
        font-size: 0.85rem;
    }

    .auth-btn, .user-action-btn {
        padding: 8px 12px;
        font-size: 0.85rem;
    }

    .nav-dropdown-content a {
        padding: 8px 12px;
        font-size: 0.85rem;
    }

    .dropdown-content a {
        padding: 8px 12px;
        font-size: 0.85rem;
    }
}

/* 小屏手机 (380px 以下) */
@media (max-width: 380px) {
    .nav-btn {
        padding: 6px 10px;
        font-size: 0.8rem;
    }

    .auth-btn, .user-action-btn {
        padding: 6px 10px;
        font-size: 0.8rem;
    }

    .btn-text {
        font-size: 0.8rem;
    }
}

/* 防止内容溢出的辅助类 - 仅在桌面端启用滚动 */
@media (min-width: 769px) and (max-width: 1200px) {
    .main-nav {
        overflow-x: auto;
        overflow-y: hidden;
        scrollbar-width: thin;
        -webkit-overflow-scrolling: touch;
    }

    .main-nav::-webkit-scrollbar {
        height: 3px;
    }

    .main-nav::-webkit-scrollbar-track {
        background: rgba(255, 255, 255, 0.1);
        border-radius: 2px;
    }

    .main-nav::-webkit-scrollbar-thumb {
        background: rgba(255, 255, 255, 0.3);
        border-radius: 2px;
    }
}

@media (min-width: 769px) {
    .main-nav {
        overflow-x: visible;
    }
}

/* 确保所有内容不超出容器 */
* {
    max-width: 100%;
    box-sizing: border-box;
}

/* 响应式导航栏 - 防止按钮重叠 */
@media (max-width: 1200px) {
    .header-content {
        flex-wrap: wrap !important;
        justify-content: center !important;
    }

    .main-nav {
        flex-wrap: wrap !important;
        justify-content: center !important;
        margin: 10px 0 !important;
    }

    .main-nav .nav-btn,
    .main-nav .nav-dropdown > a {
        padding: 6px 12px !important;
        font-size: 13px !important;
        margin: 2px !important;
    }

    .user-area {
        margin-top: 5px !important;
    }
}

@media (max-width: 768px) {
    .main-nav .nav-btn,
    .main-nav .nav-dropdown > a {
        padding: 4px 8px !important;
        font-size: 11px !important;
    }

    .main-nav .nav-dropdown-content {
        min-width: 150px !important;
    }

    .main-nav .nav-dropdown-content a {
        font-size: 11px !important;
        padding: 6px 10px !important;
    }
}

/* 确保导航栏使用flex布局 */
.main-nav {
    display: flex !important;
    flex-wrap: wrap !important;
    align-items: center !important;
    gap: 5px !important;
}

/* 按钮统一样式 */
.main-nav .nav-btn,
.main-nav .nav-dropdown > a {
    display: inline-flex !important;
    align-items: center !important;
    white-space: nowrap !important;
}

/* 用户区域样式 */
.user-area .user-action-btn {
    display: inline-flex !important;
    align-items: center !important;
    white-space: nowrap !important;
}