/* 移动端专用样式 */

/* CSS变量定义 */
:root {
  --vh: 1vh;
  --safe-area-inset-top: 0px;
  --safe-area-inset-right: 0px;
  --safe-area-inset-bottom: 0px;
  --safe-area-inset-left: 0px;
  --primary-color: #8B5A3C;
  --background-color: #F5F5DC;
  --text-primary: #333333;
  --text-secondary: #666666;
  --border-radius: 8px;
  --shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

/* 移动端基础重置 */
* {
  -webkit-tap-highlight-color: transparent;
  -webkit-touch-callout: none;
}

/* 全屏高度修复 */
.full-height {
  height: 100vh;
  height: calc(var(--vh, 1vh) * 100);
}

/* 安全区域适配 */
.safe-area {
  padding-top: env(safe-area-inset-top);
  padding-right: env(safe-area-inset-right);
  padding-bottom: env(safe-area-inset-bottom);
  padding-left: env(safe-area-inset-left);
}

/* 移动端容器 */
.mobile-container {
  max-width: 100%;
  padding: 0 16px;
  margin: 0 auto;
}

/* 移动端按钮优化 */
.mobile-btn {
  min-height: 44px;
  min-width: 44px;
  padding: 12px 20px;
  border-radius: var(--border-radius);
  font-size: 16px;
  font-weight: 500;
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
  touch-action: manipulation;
  user-select: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
}

.mobile-btn:active {
  transform: scale(0.98);
}

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

.mobile-btn-primary:hover {
  background-color: #7A4F35;
}

/* 移动端输入框优化 */
.mobile-input {
  width: 100%;
  min-height: 44px;
  padding: 12px 16px;
  border: 2px solid #E5E5E5;
  border-radius: var(--border-radius);
  font-size: 16px; /* 防止iOS缩放 */
  background-color: white;
  transition: border-color 0.2s ease;
  -webkit-appearance: none;
  appearance: none;
}

.mobile-input:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(139, 90, 60, 0.1);
}

/* 移动端卡片 */
.mobile-card {
  background: white;
  border-radius: 12px;
  padding: 20px;
  margin: 16px 0;
  box-shadow: var(--shadow);
  border: 1px solid #F0F0F0;
}

/* 移动端网格 */
.mobile-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: 1fr;
}

.mobile-grid-2 {
  grid-template-columns: repeat(2, 1fr);
}

/* 移动端导航 */
.mobile-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: white;
  border-top: 1px solid #E5E5E5;
  padding: 8px 0;
  padding-bottom: calc(8px + env(safe-area-inset-bottom));
  z-index: 1000;
}

.mobile-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 8px;
  text-decoration: none;
  color: var(--text-secondary);
  font-size: 12px;
  min-height: 44px;
  justify-content: center;
}

.mobile-nav-item.active {
  color: var(--primary-color);
}

/* 移动端模态框 */
.mobile-modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 2000;
  display: flex;
  align-items: flex-end;
  padding: 0;
}

.mobile-modal-content {
  background: white;
  border-radius: 16px 16px 0 0;
  padding: 20px;
  padding-bottom: calc(20px + env(safe-area-inset-bottom));
  width: 100%;
  max-height: 80vh;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

/* 移动端加载状态 */
.mobile-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
}

.mobile-spinner {
  width: 32px;
  height: 32px;
  border: 3px solid #E5E5E5;
  border-top: 3px solid var(--primary-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

/* 移动端文本样式 */
.mobile-title {
  font-size: clamp(24px, 6vw, 32px);
  font-weight: bold;
  line-height: 1.2;
  margin-bottom: 16px;
}

.mobile-subtitle {
  font-size: clamp(16px, 4vw, 20px);
  color: var(--text-secondary);
  line-height: 1.4;
  margin-bottom: 12px;
}

.mobile-text {
  font-size: 16px;
  line-height: 1.5;
  color: var(--text-primary);
}

/* 移动端间距 */
.mobile-spacing-xs { margin: 8px 0; }
.mobile-spacing-sm { margin: 12px 0; }
.mobile-spacing-md { margin: 16px 0; }
.mobile-spacing-lg { margin: 24px 0; }
.mobile-spacing-xl { margin: 32px 0; }

/* 键盘弹出时的样式调整 */
.keyboard-open {
  height: 100vh;
  overflow: hidden;
}

.keyboard-open .mobile-modal {
  align-items: center;
}

.keyboard-open .mobile-modal-content {
  max-height: 60vh;
  border-radius: 16px;
}

/* 离线状态 */
.offline .offline-indicator {
  display: block;
  background: #FF6B6B;
  color: white;
  text-align: center;
  padding: 8px;
  font-size: 14px;
}

.offline-indicator {
  display: none;
}

/* 横屏适配 */
@media (orientation: landscape) and (max-height: 500px) {
  .mobile-title {
    font-size: 20px;
    margin-bottom: 8px;
  }
  
  .mobile-card {
    padding: 16px;
    margin: 8px 0;
  }
  
  .mobile-btn {
    min-height: 36px;
    padding: 8px 16px;
  }
}

/* 超小屏幕适配 */
@media (max-width: 320px) {
  .mobile-container {
    padding: 0 12px;
  }
  
  .mobile-card {
    padding: 16px;
  }
  
  .mobile-grid {
    gap: 12px;
  }
}

/* 大屏手机适配 */
@media (min-width: 414px) {
  .mobile-container {
    padding: 0 20px;
  }
  
  .mobile-card {
    padding: 24px;
  }
}

/* 动画优化 */
@media (prefers-reduced-motion: reduce) {
  .mobile-btn,
  .mobile-input,
  .mobile-spinner {
    transition: none;
    animation: none;
  }
}

/* 高对比度模式 */
@media (prefers-contrast: high) {
  .mobile-btn {
    border: 2px solid currentColor;
  }
  
  .mobile-input {
    border-width: 3px;
  }
  
  .mobile-card {
    border-width: 2px;
  }
}