/* 移动端样式修复和增强 */

/* 基础变量 */
:root {
  --mobile-header-height: 56px;
  --mobile-padding: 16px;
  --mobile-border-radius: 12px;
  --touch-target-size: 44px;
}

/* 使用CSS变量修复视口高度问题 */
.app-container {
  min-height: 100vh;
  min-height: calc(var(--vh, 1vh) * 100);
}

/* 移动端头部固定 */
@media (max-width: 768px) {
  .header {
    position: sticky;
    top: 0;
    z-index: 1000;
    height: var(--mobile-header-height);
    padding: 0 var(--mobile-padding);
  }

  /* 主内容区域适配固定头部 */
  .main-content {
    padding: var(--mobile-padding);
    padding-top: 0;
  }

  /* 页面头部优化 */
  .page-header {
    margin-top: 16px;
    padding: 24px var(--mobile-padding);
    border-radius: var(--mobile-border-radius);
  }

  .page-header h1 {
    font-size: 1.8rem;
    line-height: 1.2;
  }

  .page-header p {
    font-size: 0.95rem;
    line-height: 1.4;
  }

  /* 卡片样式优化 */
  .card {
    border-radius: var(--mobile-border-radius);
    margin-bottom: 16px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
  }

  .card-header {
    padding: 20px var(--mobile-padding) 0;
  }

  .card-body {
    padding: 0 var(--mobile-padding) 20px;
  }

  /* 表单元素触摸优化 */
  .form-input,
  .form-select,
  .form-textarea {
    min-height: var(--touch-target-size);
    padding: 12px 16px;
    font-size: 16px; /* 防止iOS缩放 */
    border-radius: 8px;
    border: 2px solid #e1e5e9;
    transition: all 0.3s ease;
  }

  .form-input:focus,
  .form-select:focus,
  .form-textarea:focus {
    border-color: #4facfe;
    box-shadow: 0 0 0 3px rgba(79, 172, 254, 0.1);
    outline: none;
  }

  /* 按钮触摸优化 */
  .btn {
    min-height: var(--touch-target-size);
    padding: 12px 20px;
    font-size: 16px;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    text-decoration: none;
  }

  .btn-large {
    min-height: 56px;
    padding: 16px 24px;
    font-size: 18px;
  }

  .btn-small {
    min-height: 36px;
    padding: 8px 16px;
    font-size: 14px;
  }

  /* 移除hover效果，使用active */
  .btn:hover {
    transform: none;
    box-shadow: inherit;
  }

  .btn:active {
    transform: scale(0.98);
    opacity: 0.8;
  }

  /* 网格布局移动端适配 */
  .grid-2,
  .grid-3 {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .media-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  /* 历史记录卡片优化 */
  .history-card,
  .creative-card {
    border-radius: var(--mobile-border-radius);
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
  }

  .history-card:active,
  .creative-card:active {
    transform: scale(0.98);
  }

  .card-cover {
    height: 180px;
  }

  .card-content {
    padding: 16px;
  }

  .card-title {
    font-size: 1rem;
    line-height: 1.3;
    margin-bottom: 8px;
  }

  .card-description {
    font-size: 0.9rem;
    line-height: 1.4;
    color: #666;
  }

  .card-actions {
    display: flex;
    gap: 8px;
    margin-top: 12px;
    flex-wrap: wrap;
  }

  .card-actions .btn {
    flex: 1;
    min-width: 80px;
  }

  /* Toast消息优化 */
  .toast {
    position: fixed;
    top: calc(var(--mobile-header-height) + 16px);
    left: var(--mobile-padding);
    right: var(--mobile-padding);
    padding: 16px;
    border-radius: 8px;
    font-size: 14px;
    z-index: 10001;
    animation: slideInDown 0.3s ease;
  }

  /* 任务状态卡片 */
  .task-card {
    padding: 24px var(--mobile-padding);
    border-radius: var(--mobile-border-radius);
    text-align: center;
  }

  .task-id {
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 13px;
    word-break: break-all;
    margin: 16px 0;
  }

  /* 成功结果卡片 */
  .success-card {
    padding: 24px var(--mobile-padding);
    border-radius: var(--mobile-border-radius);
  }

  /* 空状态优化 */
  .empty-state {
    padding: 40px var(--mobile-padding);
    text-align: center;
  }

  .empty-icon {
    font-size: 3rem;
    margin-bottom: 16px;
  }

  .empty-title {
    font-size: 1.2rem;
    margin-bottom: 8px;
  }

  /* 进度条 */
  .progress {
    height: 6px;
    border-radius: 3px;
    margin: 16px 0;
  }

  .progress-bar {
    border-radius: 3px;
  }

  /* 错误消息 */
  .error-message {
    padding: 16px;
    border-radius: 8px;
    margin: 16px 0;
    font-size: 14px;
    line-height: 1.4;
  }

  /* API Key信息卡片 */
  .api-key-info {
    padding: 16px;
    border-radius: 8px;
    margin-top: 12px;
  }

  .contact-info {
    padding: 12px 16px;
    border-radius: 8px;
    margin-top: 12px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
  }

  .contact-id {
    font-size: 14px;
    font-weight: 600;
  }

  /* 复选框组 */
  .checkbox-item {
    padding: 16px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    gap: 12px;
    min-height: var(--touch-target-size);
  }

  .checkbox-item input[type="checkbox"] {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
  }

  .checkbox-item label {
    flex: 1;
    font-size: 15px;
    line-height: 1.4;
  }
}

/* 超小屏幕适配 */
@media (max-width: 375px) {
  :root {
    --mobile-padding: 12px;
  }

  .header {
    padding: 0 var(--mobile-padding);
  }

  .main-content {
    padding: var(--mobile-padding);
    padding-top: 0;
  }

  .page-header {
    padding: 20px var(--mobile-padding);
  }

  .page-header h1 {
    font-size: 1.6rem;
  }

  .card-header,
  .card-body {
    padding-left: var(--mobile-padding);
    padding-right: var(--mobile-padding);
  }

  .btn {
    padding: 10px 16px;
    font-size: 15px;
  }

  .btn-large {
    padding: 14px 20px;
    font-size: 17px;
  }
}

/* 横屏模式优化 */
@media (max-width: 768px) and (orientation: landscape) {
  .header {
    height: 48px;
  }

  .page-header {
    padding: 16px var(--mobile-padding);
  }

  .page-header h1 {
    font-size: 1.6rem;
  }

  .toast {
    top: calc(48px + 12px);
  }
}

/* 动画定义 */
@keyframes slideInDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 滚动优化 */
@media (max-width: 768px) {
  .main-content {
    -webkit-overflow-scrolling: touch;
    scroll-behavior: smooth;
  }

  /* 隐藏滚动条 */
  .main-content::-webkit-scrollbar {
    display: none;
  }

  .main-content {
    -ms-overflow-style: none;
    scrollbar-width: none;
  }
}

/* 安全区域适配 (刘海屏等) */
@supports (padding: max(0px)) {
  @media (max-width: 768px) {
    .header {
      padding-left: max(var(--mobile-padding), env(safe-area-inset-left));
      padding-right: max(var(--mobile-padding), env(safe-area-inset-right));
      padding-top: env(safe-area-inset-top);
    }

    .main-content {
      padding-left: max(var(--mobile-padding), env(safe-area-inset-left));
      padding-right: max(var(--mobile-padding), env(safe-area-inset-right));
      padding-bottom: max(var(--mobile-padding), env(safe-area-inset-bottom));
    }

    .toast {
      left: max(var(--mobile-padding), env(safe-area-inset-left));
      right: max(var(--mobile-padding), env(safe-area-inset-right));
    }
  }
}

/* 深色模式支持 */
@media (prefers-color-scheme: dark) {
  @media (max-width: 768px) {
    .card {
      background: #1a1a1a;
      color: #ffffff;
    }

    .form-input,
    .form-select,
    .form-textarea {
      background: #2a2a2a;
      border-color: #404040;
      color: #ffffff;
    }

    .form-input:focus,
    .form-select:focus,
    .form-textarea:focus {
      border-color: #4facfe;
      background: #333333;
    }
  }
}