/* 自定义样式 */
:root {
  --primary-color: #4f46e5;
  --secondary-color: #8b5cf6;
  --background-color: #f9fafb;
  --card-bg: #ffffff;
  --text-primary: #111827;
  --text-secondary: #6b7280;
  --border-color: #e5e7eb;
}

/* 隐藏全局滚动条但保留滚动功能 */
html, body {
  scrollbar-width: none; /* Firefox */
  -ms-overflow-style: none; /* IE and Edge */
}

html::-webkit-scrollbar, body::-webkit-scrollbar {
  display: none; /* Chrome, Safari, Opera */
}

/* 为所有可滚动容器隐藏滚动条 */
* {
  scrollbar-width: none;
  -ms-overflow-style: none;
}

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

/* 确保可滚动区域保持触摸滚动功能 */
.overflow-y-auto, .overflow-x-auto, .overflow-auto {
  -webkit-overflow-scrolling: touch;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--background-color);
  color: var(--text-primary);
}

/* iPhone 模拟器样式 */
.iphone-frame {
  position: relative;
  width: 375px;
  height: 812px;
  background-color: #000;
  border-radius: 40px;
  padding: 10px;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  margin: 40px auto;
  overflow: hidden;
}

.iphone-screen {
  position: relative;
  width: 100%;
  height: 100%;
  background-color: var(--background-color);
  border-radius: 30px;
  overflow: hidden;
}

.iphone-notch {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 160px;
  height: 30px;
  background-color: #000;
  border-bottom-left-radius: 18px;
  border-bottom-right-radius: 18px;
  z-index: 10;
}

.iphone-content-area {
  position: relative;
  width: 100%;
  height: 100%;
  padding-top: 30px;
  padding-bottom: 70px;
  overflow: hidden;
}

.iphone-home-indicator {
  position: absolute;
  bottom: 8px;
  left: 50%;
  transform: translateX(-50%);
  width: 120px;
  height: 5px;
  background-color: #000;
  border-radius: 3px;
  z-index: 10;
}

/* 顶部状态栏和导航栏固定样式 */
.status-bar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 24px;
  background-color: var(--background-color);
  z-index: 1000;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 20px;
}

.app-header {
  position: fixed;
  top: 24px;
  left: 0;
  right: 0;
  height: 56px;
  background-color: #ffffff;
  z-index: 999;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 16px;
  border-bottom: 1px solid var(--border-color);
}

/* 添加内容区域的上边距，避免被固定头部遮挡 */
.fixed-header-spacing {
  padding-top: 80px; /* 状态栏+导航栏高度 */
}

/* 只有状态栏没有导航栏的页面 */
.status-bar-only-spacing {
  padding-top: 24px; /* 只有状态栏高度 */
}

/* 动画效果 */
.fade-in {
  animation: fadeIn 0.3s ease-in-out;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

/* 卡片样式 */
.ai-card {
  background-color: var(--card-bg);
  border-radius: 16px;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  transition: transform 0.2s, box-shadow 0.2s;
}

.ai-card:active {
  transform: scale(0.98);
  box-shadow: 0 2px 4px -1px rgba(0, 0, 0, 0.1);
}