/**
 * PWA 专用样式文件
 * 优化移动端体验和PWA功能
 */

/* 根变量定义 */
:root {
  --vh: 1vh;
  --pwa-primary-color: #3273dc;
  --pwa-secondary-color: #f5f5f5;
  --pwa-success-color: #48c774;
  --pwa-warning-color: #ffdd57;
  --pwa-danger-color: #f14668;
  --pwa-info-color: #3e8ed0;
  --pwa-light-color: #f8f9fa;
  --pwa-dark-color: #363636;
  --pwa-border-radius: 8px;
  --pwa-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  --pwa-transition: all 0.3s ease;
}

/* 基础样式重置 */
* {
  box-sizing: border-box;
}

html {
  height: 100%;
  -webkit-text-size-adjust: 100%;
  -ms-text-size-adjust: 100%;
}

body {
  min-height: 100vh;
  min-height: calc(var(--vh, 1vh) * 100);
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  -webkit-tap-highlight-color: transparent;
  -webkit-touch-callout: none;
  -webkit-user-select: text;
  -moz-user-select: text;
  -ms-user-select: text;
  user-select: text;
}

/* 允许文本选择 */
input, textarea, [contenteditable], p, div, span, h1, h2, h3, h4, h5, h6, li, td, th, .content, .message-body {
  -webkit-user-select: text;
  -moz-user-select: text;
  -ms-user-select: text;
  user-select: text;
}

/* 禁用按钮和导航元素的文本选择 */
button, .button, .navbar-item, .card-header, .modal-card-head, .modal-card-foot {
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}

/* PWA 安装横幅 */
.pwa-install-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(135deg, var(--pwa-primary-color), #4a90e2);
  color: white;
  padding: 1rem;
  z-index: 1001;
  transform: translateY(100%);
  transition: transform 0.3s ease;
  box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.pwa-install-banner.show {
  transform: translateY(0);
}

.pwa-install-banner .delete {
  background: rgba(255, 255, 255, 0.2);
  border: none;
}

.pwa-install-banner .delete:hover {
  background: rgba(255, 255, 255, 0.3);
}

/* 加载动画 */
.pwa-loading {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  flex-direction: column;
}

.pwa-loading .spinner {
  width: 40px;
  height: 40px;
  border: 4px solid #f3f3f3;
  border-top: 4px solid var(--pwa-primary-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-bottom: 1rem;
}

.pwa-loading .text {
  color: var(--pwa-primary-color);
  font-size: 1rem;
  font-weight: 500;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* 移动端优化 */
@media screen and (max-width: 768px) {
  /* 禁用移动端所有卡片的hover和active效果 */
  .card:hover,
  .card:active,
  .card:focus {
    transform: none !important;
    box-shadow: var(--pwa-shadow) !important;
  }
  
  /* 禁用移动端所有按钮的active效果 */
  .button:active,
  .button:focus {
    transform: none !important;
  }
  
  /* 禁用移动端所有链接的active效果 */
  a:active,
  a:focus {
    transform: none !important;
  }
  
  /* 导航栏优化 */
  .navbar {
    min-height: 3.5rem;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  }
  
  .navbar-brand .navbar-item {
    font-size: 1rem;
    padding: 0.5rem 1rem;
  }
  
  .navbar-menu .navbar-item .button {
    font-size: 0.875rem;
    padding: 0.5rem 0.75rem;
    min-height: 44px;
  }
  
  /* 主内容区域 */
  .main-content {
    margin-top: 3.5rem;
    padding-top: 1rem;
    padding-bottom: 1rem;
  }
  
  /* 触摸友好的按钮 */
  .button {
    min-height: 44px;
    min-width: 44px;
    border-radius: var(--pwa-border-radius);
    transition: var(--pwa-transition);
  }
  
  /* 只在非触摸设备上应用active效果 */
  @media (hover: hover) and (pointer: fine) {
    .button:active {
      transform: scale(0.98);
    }
  }
  
  /* 卡片优化 */
  .card {
    margin-bottom: 1rem;
    border-radius: var(--pwa-border-radius);
    box-shadow: var(--pwa-shadow);
    transition: var(--pwa-transition);
  }
  
  /* 只在非触摸设备上应用active效果 */
  @media (hover: hover) and (pointer: fine) {
    .card:active {
      transform: scale(0.98);
    }
  }
  
  .card-content {
    padding: 1rem;
  }
  
  /* 表单优化 */
  .input, .textarea, .select select {
    min-height: 44px;
    font-size: 16px; /* 防止iOS缩放 */
    border-radius: var(--pwa-border-radius);
    border: 2px solid #e1e5e9;
    transition: var(--pwa-transition);
  }
  
  .input:focus, .textarea:focus, .select select:focus {
    border-color: var(--pwa-primary-color);
    box-shadow: 0 0 0 3px rgba(50, 115, 220, 0.1);
  }
  
  /* 标签优化 */
  .tag {
    font-size: 0.75rem;
    padding: 0.5rem 0.75rem;
    border-radius: var(--pwa-border-radius);
    margin-right: 0.5rem;
    margin-bottom: 0.5rem;
  }
  
  /* 模态框优化 */
  .modal-card {
    margin: 0.5rem;
    max-height: calc(100vh - 1rem);
    border-radius: var(--pwa-border-radius);
    width: calc(100vw - 1rem);
    max-width: none;
  }
  
  .modal-card-head {
    padding: 1rem;
    border-bottom: 1px solid #e5e5e5;
  }
  
  .modal-card-title {
    font-size: 1.1rem;
    font-weight: 600;
  }
  
  .modal-card-body {
    max-height: calc(100vh - 12rem);
    overflow-y: auto;
    padding: 1rem;
  }
  
  .modal-card-foot {
    padding: 1rem;
    border-top: 1px solid #e5e5e5;
    background-color: #f8f9fa;
  }
  
  .modal-card-foot .button {
    min-width: 80px;
    font-size: 0.9rem;
  }
  
  /* 移动端表单优化 */
  .modal-card-body .field {
    margin-bottom: 1rem;
  }
  
  .modal-card-body .label {
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
  }
  
  .modal-card-body .input,
  .modal-card-body .textarea,
  .modal-card-body .select select {
    font-size: 1rem;
    padding: 0.75rem;
    border-radius: 6px;
  }
  
  .modal-card-body .textarea {
    min-height: 80px;
  }
  
  /* 移动端按钮组优化 */
  .modal-card-foot .field.is-grouped {
    justify-content: space-between;
  }
  
  .modal-card-foot .field.is-grouped .control {
    flex: 1;
    margin-right: 0.5rem;
  }
  
  .modal-card-foot .field.is-grouped .control:last-child {
    margin-right: 0;
  }
  
  /* 移动端文件上传优化 */
  .file-cta {
    padding: 0.75rem 1rem;
    font-size: 0.9rem;
  }
  
  .file-name {
    font-size: 0.85rem;
    padding: 0.5rem;
  }
  
  /* 通知优化 */
  .notification {
    margin: 0.5rem;
    border-radius: var(--pwa-border-radius);
    box-shadow: var(--pwa-shadow);
  }
  
  /* 表格优化 */
  .table {
    font-size: 0.875rem;
  }
  
  .table th, .table td {
    padding: 0.75rem 0.5rem;
  }
  
  /* 分页优化 */
  .pagination {
    margin: 1rem 0;
  }
  
  .pagination .button {
    min-width: 44px;
    min-height: 44px;
  }
}

/* 全屏模式优化 */
@media (display-mode: standalone) {
  .main-content {
    margin-top: 0;
    padding-top: 0;
  }
  
  .navbar {
    position: relative !important;
    box-shadow: none;
  }
  
  /* 隐藏PWA安装横幅 */
  .pwa-install-banner {
    display: none !important;
  }
}

/* 键盘弹出时的优化 */
.keyboard-open .main-content {
  padding-bottom: 0;
}

.keyboard-open .pwa-install-banner {
  display: none;
}

/* 触摸反馈 */
.touch-feedback {
  transition: transform 0.1s ease;
}

/* 只在非触摸设备上应用active效果 */
@media (hover: hover) and (pointer: fine) {
  .touch-feedback:active {
    transform: scale(0.98);
  }
}

/* 滚动优化 */
.smooth-scroll {
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
}

/* 加载状态 */
.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(255, 255, 255, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.loading-overlay .spinner {
  width: 40px;
  height: 40px;
  border: 4px solid #f3f3f3;
  border-top: 4px solid var(--pwa-primary-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

/* 离线状态指示器 */
.offline-indicator {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: var(--pwa-warning-color);
  color: var(--pwa-dark-color);
  padding: 0.5rem;
  text-align: center;
  font-size: 0.875rem;
  z-index: 1002;
  transform: translateY(-100%);
  transition: transform 0.3s ease;
}

.offline-indicator.show {
  transform: translateY(0);
}

/* 更新提示 */
.update-notification {
  position: fixed;
  bottom: 1rem;
  left: 1rem;
  right: 1rem;
  background: var(--pwa-info-color);
  color: white;
  padding: 1rem;
  border-radius: var(--pwa-border-radius);
  box-shadow: var(--pwa-shadow);
  z-index: 1001;
  transform: translateY(100%);
  transition: transform 0.3s ease;
}

.update-notification.show {
  transform: translateY(0);
}

/* 响应式图片 */
.responsive-image {
  max-width: 100%;
  height: auto;
  border-radius: var(--pwa-border-radius);
}

/* 卡片网格布局 */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1rem;
  padding: 1rem;
}

@media screen and (max-width: 768px) {
  .card-grid {
    grid-template-columns: 1fr;
    gap: 0.5rem;
    padding: 0.5rem;
  }
}

/* 搜索框优化 */
.search-box {
  position: relative;
  margin-bottom: 1rem;
}

.search-box .input {
  padding-left: 2.5rem;
}

.search-box .icon {
  position: absolute;
  left: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  color: #999;
}

/* 操作按钮组 */
.action-buttons {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.action-buttons .button {
  flex: 1;
  min-width: 120px;
}

@media screen and (max-width: 768px) {
  .action-buttons {
    flex-direction: column;
  }
  
  .action-buttons .button {
    min-width: auto;
  }
}

/* 状态指示器 */
.status-indicator {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-right: 0.5rem;
}

.status-indicator.online {
  background: var(--pwa-success-color);
}

.status-indicator.offline {
  background: var(--pwa-danger-color);
}

.status-indicator.syncing {
  background: var(--pwa-warning-color);
  animation: pulse 1s infinite;
}

@keyframes pulse {
  0% { opacity: 1; }
  50% { opacity: 0.5; }
  100% { opacity: 1; }
}

/* 空状态 */
.empty-state {
  text-align: center;
  padding: 3rem 1rem;
  color: #999;
}

.empty-state .icon {
  font-size: 3rem;
  margin-bottom: 1rem;
  opacity: 0.5;
}

.empty-state .title {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
  color: #666;
}

.empty-state .subtitle {
  font-size: 0.875rem;
  margin-bottom: 1.5rem;
}

/* 工具提示 */
.tooltip {
  position: relative;
  display: inline-block;
}

.tooltip .tooltiptext {
  visibility: hidden;
  width: 120px;
  background-color: var(--pwa-dark-color);
  color: white;
  text-align: center;
  border-radius: var(--pwa-border-radius);
  padding: 0.5rem;
  position: absolute;
  z-index: 1;
  bottom: 125%;
  left: 50%;
  margin-left: -60px;
  opacity: 0;
  transition: opacity 0.3s;
  font-size: 0.75rem;
}

.tooltip:hover .tooltiptext {
  visibility: visible;
  opacity: 1;
}

/* 打印样式 */
@media print {
  .navbar,
  .pwa-install-banner,
  .notification,
  .button {
    display: none !important;
  }
  
  .main-content {
    margin-top: 0 !important;
    padding-top: 0 !important;
  }
  
  .card {
    box-shadow: none !important;
    border: 1px solid #ddd !important;
  }
}