/* 移动端专用覆盖样式：避免错位与溢出 */

html, body {
    height: auto;
    min-height: 100vh;
    width: 100%;
    overflow-x: hidden;
    overflow-y: auto;
    -webkit-text-size-adjust: 100%;
}

/* 导航与布局尺寸优化 */
.top-navbar {
    height: 56px;
    padding: 0 12px;
}

.logo-text {
    font-size: 1rem;
}

.navbar-right .auth-btn {
    padding: 8px 12px;
    min-width: 64px;
    font-size: 13px;
}

.nav-btn {
    width: 32px;
    height: 32px;
}

/* 主区域：精确高度，避免底部被遮挡 */
.main-chat-area {
    position: relative;
    top: 56px;
    bottom: auto;
    min-height: calc(100vh - 56px - 100px);
}

.chat-messages {
    padding: 12px;
    max-width: 100%;
    overflow-y: visible !important;
}

.message {
    gap: 12px;
    max-width: 96%;
}

.message-content {
    padding: 12px;
    max-width: 90vw;
}

.message-text {
    font-size: 0.95rem;
}

/* 底部输入区：iOS安全区及键盘兼容 */
.bottom-input-area {
    height: 100px;
    padding: 10px 12px;
    padding-bottom: calc(env(safe-area-inset-bottom, 0px) + 10px);
    backdrop-filter: blur(6px);
}

.input-container {
    max-width: 100%;
    padding: 0 4px;
}

.input-wrapper {
    gap: 8px;
    padding: 10px;
}

.chat-input {
    font-size: 16px; /* iOS 防缩放 */
    max-height: 96px;
}

.send-btn {
    width: 40px;
    height: 40px;
}

/* 模态框尺寸在手机上更紧凑 */
.modal-content {
    width: 96% !important;
    max-height: 80vh !important;
}

/* 欢迎页布局改为单列并减小间距 */
.welcome-content {
    padding: 0 12px;
}

.welcome-content h1 {
    font-size: 1.75rem !important;
}

.welcome-features {
    grid-template-columns: 1fr !important;
    gap: 12px !important;
    padding: 12px !important;
}

/* 去除阻止滚动的固定定位，确保整页可滚动 */

/* 安卓浏览器地址栏伸缩兼容 */
@media (max-width: 768px) {
    .chat-messages {
        min-height: 0;
    }
    
    /* ========== 个人资料页面移动端适配 ========== */
    
    /* 主布局：从左右布局改为上下布局 */
    main[style*="display: flex"] {
        flex-direction: column !important;
        margin-top: 56px !important;
        height: auto !important;
        min-height: calc(100vh - 56px) !important;
        overflow-y: auto !important;
    }
    
    /* 侧边栏：在移动端改为横向滚动标签栏 */
    aside.generation-option-card {
        width: 100% !important;
        margin: 0 !important;
        border-radius: 0 !important;
        position: sticky;
        top: 0;
        z-index: 10;
        background: white;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    }
    
    aside.generation-option-card > div:first-child {
        display: none; /* 隐藏"设置"标题 */
    }
    
    aside.generation-option-card nav {
        flex-direction: row !important;
        overflow-x: auto;
        overflow-y: hidden;
        -webkit-overflow-scrolling: touch;
        white-space: nowrap;
        padding: 0 !important;
    }
    
    aside.generation-option-card nav button {
        flex: 0 0 auto;
        min-width: 100px;
        border-radius: 0 !important;
        border-bottom: 3px solid transparent !important;
        border-right: none !important;
        padding: 12px 16px !important;
        font-size: 14px;
    }
    
    aside.generation-option-card nav button:hover,
    aside.generation-option-card nav button:focus,
    aside.generation-option-card nav button.active {
        border-bottom-color: #6366f1 !important;
        background-color: rgba(99, 102, 241, 0.05);
    }
    
    /* 主内容区域 */
    main > div[style*="flex: 1"] {
        padding: 16px !important;
        max-width: 100% !important;
        margin: 0 !important;
    }
    
    main > div[style*="flex: 1"] h1 {
        font-size: 1.5rem !important;
        margin: 0 0 16px 0 !important;
    }
    
    /* 表单布局：双列改为单列 */
    .form-row {
        display: flex;
        flex-direction: column !important;
        gap: 16px;
    }
    
    .form-group {
        width: 100% !important;
        margin-bottom: 0 !important;
    }
    
    .form-group input,
    .form-group textarea,
    .form-group select {
        font-size: 16px; /* 防止iOS自动放大 */
    }
    
    /* 头像上传区域优化 */
    #avatar-preview {
        width: 64px !important;
        height: 64px !important;
    }
    
    #uploadAvatarBtn {
        font-size: 14px;
        padding: 8px 16px !important;
    }
    
    /* 生成选项卡片间距优化 */
    .generation-option-card {
        margin-bottom: 12px !important;
        padding: 16px !important;
        border-radius: 12px !important;
    }
    
    .generation-option-card h3 {
        font-size: 1.125rem !important;
    }
    
    /* 按钮组优化 */
    main button.btn {
        font-size: 15px;
        padding: 10px 20px;
    }
    
    /* 头像裁剪对话框适配 */
    dialog#avatar-crop-modal {
        width: 95% !important;
        max-width: 95% !important;
        max-height: 90vh;
        margin: auto;
    }
    
    dialog#avatar-crop-modal > div {
        padding: 16px !important;
    }
    
    dialog#avatar-crop-modal h3 {
        font-size: 1.125rem !important;
    }
    
    #crop-image {
        max-height: 300px !important;
    }
    
    .cropper-container {
        max-height: 300px !important;
    }
    
    dialog#avatar-crop-modal button.btn {
        padding: 10px 16px;
        font-size: 14px;
    }
    
    /* 会话管理列表优化 */
    .template-item {
        flex-direction: column;
        align-items: flex-start !important;
        gap: 12px;
    }
    
    .template-item-info {
        width: 100%;
    }
    
    .template-item button {
        width: 100%;
        justify-content: center;
    }
    
    .template-item-details {
        font-size: 13px;
    }
    
    .template-item-size {
        font-size: 12px !important;
        line-height: 1.4;
    }
    
    /* 成功/错误提示优化 */
    .success-message,
    .error-message {
        font-size: 14px;
        padding: 8px 12px;
    }
    
    /* 顶部导航栏"返回首页"按钮在移动端显示为图标 */
    .navbar-right .auth-btn {
        min-width: auto;
    }
}

/* 小屏幕额外优化 */
@media (max-width: 480px) {
    aside.generation-option-card nav button {
        min-width: 85px;
        padding: 10px 12px !important;
        font-size: 13px;
    }
    
    main > div[style*="flex: 1"] {
        padding: 12px !important;
    }
    
    .generation-option-card {
        padding: 12px !important;
    }
    
    dialog#avatar-crop-modal > div {
        padding: 12px !important;
    }
    
    #crop-image {
        max-height: 250px !important;
    }
    
    .cropper-container {
        max-height: 250px !important;
    }
}