/* css/core-ui.css */

:root {
    /* 核心色彩系统 */
    --primary-color: #1a73e8;
    --secondary-color: #34a853;
    --background-color: #f1f3f4;
    --surface-color: #ffffff;
    --text-primary: #202124;
    --text-secondary: #5f6368;
    --error-color: #ea4335;
    --warning-color: #fbbc04;
    --success-color: #34a853;

    /* 布局变量 */
    --status-bar-height: 40px;
    --nav-bar-height: 64px;
    --safe-inset-top: env(safe-area-inset-top, 0px);
    --safe-inset-bottom: env(safe-area-inset-bottom, 0px);

    /* UI 元素 */
    --app-icon-size: 56px;
    --border-radius: 12px;
    --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    
    /* 玻璃拟态 */
    --glass-bg: rgba(255, 255, 255, 0.6);
    --glass-border: rgba(255, 255, 255, 0.15);
    --glass-blur: 20px;
}

/* 基础重置 */
* {
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

*::-webkit-scrollbar {
    display: none !important;
    width: 0 !important;
    height: 0 !important;
}

body {
    margin: 0;
    padding: 0;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--background-color);
    color: var(--text-primary);
    /* 禁止 root 橡皮筋回弹效果，保持 PWA 稳定性 */
    overscroll-behavior: contain;
}

/* 统一按钮触控反馈 */
button, .ios-btn, [role="button"] {
    touch-action: manipulation;
}

/* 原子类 */
.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
}

.flex-center {
    display: flex;
    align-items: center;
    justify-content: center;
}

.text-ellipsis {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.hidden {
    display: none !important;
}

 .flex-scroll {
     min-height: 0;
     min-width: 0;
 }
 
 .scroll-y {
     overflow-y: auto;
     -webkit-overflow-scrolling: touch;
     overscroll-behavior-y: contain;
     touch-action: pan-y;
 }
 
 .scroll-x {
     overflow-x: auto;
     -webkit-overflow-scrolling: touch;
     overscroll-behavior-x: contain;
     touch-action: pan-x;
 }
 
 .scroll-y-hidebar {
     overflow-y: auto;
     -webkit-overflow-scrolling: touch;
     overscroll-behavior-y: contain;
     touch-action: pan-y;
     scrollbar-width: none;
     -ms-overflow-style: none;
 }
 
 .scroll-y-hidebar::-webkit-scrollbar {
     display: none !important;
     width: 0 !important;
     height: 0 !important;
 }
 
 .scroll-x-hidebar {
     overflow-x: auto;
     -webkit-overflow-scrolling: touch;
     overscroll-behavior-x: contain;
     touch-action: pan-x;
     scrollbar-width: none;
     -ms-overflow-style: none;
 }
 
 .scroll-x-hidebar::-webkit-scrollbar {
     display: none !important;
     width: 0 !important;
     height: 0 !important;
 }
 
/* 按钮样式 */
.ios-btn {
    border: none;
    background: var(--primary-color);
    color: white;
    padding: 10px 20px;
    border-radius: 20px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: opacity 0.2s;
}

.ios-btn:active {
    opacity: 0.8;
}

.ios-btn.secondary {
    background: #e0e0e0;
    color: #333;
}

/* === 通用应用 UI 组件 === */

/* 应用容器 */
.phone-app-container {
    width: 100%;
    height: 100%;
    background-color: var(--surface-color);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    position: relative;
}

/* 顶部导航栏 */
.phone-app-header {
    height: calc(var(--nav-bar-height) + var(--safe-inset-top));
    padding: var(--safe-inset-top) 16px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background-color: var(--primary-color);
    color: white;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    z-index: 10;
    flex-shrink: 0;
    transition: background-color 0.3s, color 0.3s;
}

.phone-app-header-left, .phone-app-header-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.phone-app-title {
    font-size: 18px;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* 返回按钮 */
.phone-app-back-btn {
    background: none;
    border: none;
    color: inherit;
    font-size: 20px;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background-color 0.2s;
}

.phone-app-back-btn:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.phone-app-back-btn:active {
    transform: scale(0.95);
}

/* 设置按钮 (通常在右侧) */
.phone-app-settings-btn {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: inherit;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 16px;
    transition: background-color 0.2s;
}

.phone-app-settings-btn:active {
    transform: scale(0.95);
}

/* Toast 提示 */
.phone-app-toast {
    position: fixed;
    bottom: 80px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background-color: #ffffff;
    color: #000000;
    padding: 12px 24px;
    border-radius: 9999px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    z-index: var(--z-toast, 2300); /* 使用CSS变量 */
    opacity: 0;
    transition: transform 0.3s, opacity 0.3s;
    max-width: 80%;
    text-align: center;
    font-weight: 500;
    pointer-events: none;
}

.phone-app-toast.active {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

/* 浮窗组件：推荐使用 Core.Popup (PopupService) 统一管理浮窗
 * 用法：Core.Popup.open('#yourPopupElement'); Core.Popup.close();
 * 遮罩使用 .popup-overlay，浮窗内容使用 .popup-window */
.popup-overlay {
    position: fixed;
    inset: 0; /* 使用inset固定到viewport，不受键盘影响 */
    background-color: rgba(0, 0, 0, 0.5);
    z-index: var(--z-overlay, 2000); /* 使用CSS变量 */
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
    pointer-events: none;
    touch-action: none;
    /* 彻底阻断滚动传播 */
    overscroll-behavior: none;
    /* 确保遮罩层固定在viewport，不受键盘影响 */
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    bottom: 0 !important;
}

.popup-overlay.active {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

/* 键盘弹起时，遮罩层保持固定 */
.popup-overlay.keyboard-open {
    /* 遮罩层位置不变，确保覆盖整个viewport */
    top: 0 !important;
    bottom: 0 !important;
}

.popup-window {
    position: fixed;
    top: 10vh;
    left: 50%;
    transform: translateX(-50%) scale(0.98);
    width: 90%;
    max-width: 320px;
    background-color: var(--surface-color);
    border-radius: var(--border-radius);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    z-index: var(--z-modal, 2100); /* 使用CSS变量，高于遮罩层 */
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s, transform 0.3s;
    pointer-events: none;
    /* 确保浮窗基于viewport定位，不受键盘影响 */
    max-height: calc(100svh - 20vh);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}

.popup-window.active {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) scale(1);
    pointer-events: auto;
}

/* 键盘弹起时，浮窗位置保持不变 */
.popup-window.keyboard-open {
    /* 浮窗位置基于viewport，不受键盘影响 */
    top: 10vh;
    /* 如果浮窗内有输入框，禁用自动滚动到输入框 */
    scroll-behavior: auto;
}

.popup-window-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
}

.popup-window-header h3 {
    font-size: 16px;
    font-weight: 600;
    margin: 0;
}

.popup-window-content {
    padding: 16px;
    max-height: 420px;
    max-height: min(420px, calc(100svh - 20vh - 80px)); /* 使用svh确保基于viewport */
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior-y: contain;
    touch-action: pan-y;
}

/* 键盘弹起时，内容区域保持可滚动但不自动滚动到输入框 */
.popup-window.keyboard-open .popup-window-content {
    /* 禁用自动滚动到聚焦的输入框 */
    scroll-padding: 0;
}

.popup-window-section {
    margin-bottom: 20px;
}

.popup-window-section h4 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--text-secondary);
}

.popup-window-footer {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    padding: 12px 16px;
}

.popup-window .upload-selector {
    position: static;
    transform: none;
    display: block;
    width: 100%;
    box-shadow: none;
    padding: 0;
    background: transparent;
    text-align: center;
}

/* === 美化面板 Tab 样式 === */
.beautify-tabs {
    display: flex;
    padding: 0 16px;
    margin-bottom: 16px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.beautify-tab {
    padding: 12px 16px;
    font-size: 15px;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    position: relative;
    transition: color 0.3s;
}

.beautify-tab.active {
    color: var(--primary-color);
    font-weight: 600;
}

.beautify-tab.active::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--primary-color);
    border-radius: 2px 2px 0 0;
}

.beautify-tab-content {
    display: none;
    padding: 0 16px 20px;
    animation: fadeIn 0.3s ease;
}

.beautify-tab-content.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(5px); }
    to { opacity: 1; transform: translateY(0); }
}

.beautify-options {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.beautify-option {
    padding: 16px;
    background-color: rgba(0, 0, 0, 0.03);
    border: 1px solid rgba(0, 0, 0, 0.05);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    transition: background-color 0.2s;
}

.beautify-option:active {
    background-color: rgba(0, 0, 0, 0.06);
}

.beautify-option span {
    font-size: 15px;
    font-weight: 500;
}

/* 隐藏美化面板中多余的旧上传组件 */
#beautifyPanel > #avatarUpload {
    display: none;
}

/* Window Suspend State */
.iframe-suspended {
    visibility: hidden;
    contain: strict;
    content-visibility: hidden;
}

/* Page Stack Architecture */
.page-stack-container {
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.page {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    z-index: 10;
    background-color: var(--background-color);
    display: none;
}

.page.page-active {
    display: block;
    z-index: 20;
}

.page.page-frozen {
    display: none !important;
    pointer-events: none;
}