/* 现代温暖风格设计 - 主页面 */

/* 全局重置 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* 浅色主题（默认） */
:root,
[data-theme="light"] {
  --bg-primary: #F5F1E8;
  --bg-secondary: #FFFFFF;
  --bg-card: #FEFDFB;
  --text-primary: #1a1a1a;
  --text-secondary: #6B6B6B;
  --accent-primary: #6B7A5A;
  --accent-hover: #5A6849;
  --accent-light: #8A9A7A;
  --border-color: rgba(107, 122, 90, 0.15);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.1);
}

/* 深色主题 */
[data-theme="dark"] {
  --bg-primary: #1a1a1a;
  --bg-secondary: #2d2d2d;
  --bg-card: #262626;
  --text-primary: #F5F1E8;
  --text-secondary: #B0B0B0;
  --accent-primary: #8A9A7A;
  --accent-hover: #9BAA8A;
  --accent-light: #6B7A5A;
  --border-color: rgba(138, 154, 122, 0.2);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
}

/* 基础样式 */
body {
  font-family: 'Songti SC', 'SimSun', '宋体', STSong, serif, -apple-system, BlinkMacSystemFont, 'SF Pro Display', sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  font-weight: 400;
  letter-spacing: 0.02em;
  min-height: 100vh;
  transition: background-color 0.3s ease, color 0.3s ease;
}

/* 主题切换按钮 */
.theme-toggle {
  position: fixed;
  top: 24px;
  right: 24px;
  z-index: 1000;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 2px solid var(--border-color);
  color: var(--text-primary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  box-shadow: var(--shadow-md);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.theme-toggle:hover {
  transform: translateY(-2px) scale(1.05);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent-primary);
  background: var(--accent-primary);
  color: white;
}

.theme-toggle:active {
  transform: translateY(0) scale(0.95);
}

/* 主容器 */
.app-container {
  min-height: 100vh;
  background: var(--bg-primary);
  padding: 0;
  position: relative;
  transition: background-color 0.3s ease;
}

/* 添加柔和的背景装饰 */
.app-container::before {
  content: '';
  position: fixed;
  top: -50%;
  right: -20%;
  width: 60%;
  height: 60%;
  background: radial-gradient(circle, var(--accent-primary) 0%, transparent 70%);
  opacity: 0.03;
  pointer-events: none;
  z-index: 0;
}

.app-container::after {
  content: '';
  position: fixed;
  bottom: -40%;
  left: -20%;
  width: 60%;
  height: 60%;
  background: radial-gradient(circle, var(--accent-light) 0%, transparent 70%);
  opacity: 0.03;
  pointer-events: none;
  z-index: 0;
}

.main-container {
  max-width: 980px;
  margin: 0 auto;
  padding: 80px 20px 40px;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  position: relative;
  z-index: 1;
}

/* 头部 */
.app-header {
  text-align: center;
  margin-bottom: 56px;
  padding-top: 20px;
}

.title-container {
  margin-bottom: 16px;
}

.cyber-title {
  font-size: 64px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--text-primary);
  font-family: 'Songti SC', 'SimSun', '宋体', STSong, serif;
  position: relative;
  display: inline-block;
  transition: color 0.3s ease;
}

.cyber-title::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 50%;
  transform: translateX(-50%);
  width: 120px;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--accent-primary), transparent);
  border-radius: 2px;
}

.app-description {
  font-size: 20px;
  line-height: 1.5;
  font-weight: 400;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  margin-top: 24px;
  transition: color 0.3s ease;
}

/* 内容区域 */
.content-area {
  flex: 1;
  margin-bottom: 40px;
}

/* 卡片样式 */
.card {
  background: var(--bg-card);
  border-radius: 20px;
  padding: 36px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
  position: relative;
  margin-bottom: 24px;
  animation: fadeInUp 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--accent-primary), var(--accent-light));
  border-radius: 20px 20px 0 0;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.card:hover::before {
  opacity: 1;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent-primary);
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 输入区域 */
.input-section {
  position: relative;
}

.input-card {
  position: relative;
}

#code-input-container {
  position: relative;
  margin-bottom: 20px;
}

#code-input-container::before,
#code-input-container::after {
  display: none !important;
}

/* 文本输入框 */
.cyber-input,
#html-input {
  width: 100%;
  min-height: 220px;
  padding: 18px;
  font-size: 15px;
  line-height: 1.7;
  font-weight: 400;
  letter-spacing: 0.02em;
  border: 2px solid var(--border-color);
  border-radius: 16px;
  background: var(--bg-secondary);
  color: var(--text-primary);
  outline: none;
  resize: vertical;
  font-family: 'Songti SC', 'SimSun', '宋体', STSong, serif, 'SF Mono', 'Monaco', monospace;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.05);
}

.cyber-input:hover,
#html-input:hover {
  border-color: var(--accent-light);
  box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.05), var(--shadow-sm);
}

.cyber-input:focus,
#html-input:focus {
  border-color: var(--accent-primary);
  box-shadow: 
    inset 0 1px 3px rgba(0, 0, 0, 0.05),
    0 0 0 4px rgba(107, 122, 90, 0.1);
}

.cyber-input::placeholder,
#html-input::placeholder {
  color: var(--text-secondary);
  opacity: 0.6;
}

/* 按钮组 */
.mt-4 {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-top: 24px;
}

/* 按钮样式 */
.cyber-btn {
  height: 48px;
  padding: 0 24px;
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.03em;
  border-radius: 12px;
  border: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  font-family: 'Songti SC', 'SimSun', '宋体', STSong, serif;
  white-space: nowrap;
}

.cyber-btn i {
  font-size: 14px;
}

.cyber-btn-primary {
  background: var(--accent-primary);
  color: white;
  box-shadow: var(--shadow-sm);
}

.cyber-btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.cyber-btn-primary:active {
  background: var(--accent-hover);
  transform: translateY(0);
  box-shadow: var(--shadow-sm);
}

.cyber-btn-secondary {
  background: transparent;
  color: var(--accent-primary);
  border: 2px solid var(--border-color);
}

.cyber-btn-secondary:hover {
  background: var(--bg-secondary);
  border-color: var(--accent-primary);
  color: var(--accent-hover);
}

.cyber-btn-secondary:active {
  background: var(--bg-primary);
  transform: scale(0.98);
}

/* 文件上传标签 */
label[for="html-file"] {
  height: 48px;
  padding: 0 24px;
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.03em;
  border-radius: 12px;
  background: transparent;
  color: var(--accent-primary);
  border: 2px solid var(--border-color);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  font-family: 'Songti SC', 'SimSun', '宋体', STSong, serif;
}

label[for="html-file"]:hover {
  background: var(--bg-secondary);
  border-color: var(--accent-primary);
  color: var(--accent-hover);
}

label[for="html-file"] i {
  font-size: 14px;
}

/* 隐藏元素 */
.hidden {
  display: none !important;
}

/* 结果区域 */
.result-card {
  animation: fadeInUp 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.section-title {
  font-size: 24px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 20px;
  letter-spacing: 0.02em;
  transition: color 0.3s ease;
}

.result-container {
  background: var(--bg-secondary);
  border-radius: 12px;
  padding: 18px;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
}

.result-url {
  flex: 1;
  font-family: 'SF Mono', 'Monaco', 'Menlo', monospace;
  font-size: 14px;
  color: var(--text-primary);
  word-break: break-all;
  transition: color 0.3s ease;
}

/* 操作按钮 */
.action-buttons {
  display: flex;
  gap: 8px;
}

.action-btn {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  border: none;
  background: var(--accent-primary);
  color: white;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: var(--shadow-sm);
}

.action-btn:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.action-btn:active {
    transform: translateY(0);
  box-shadow: var(--shadow-sm);
}

.preview-btn {
  background: var(--accent-light);
}

.preview-btn:hover {
  background: var(--accent-primary);
}

.download-btn {
  background: #6B7A5A;
}

.download-btn:hover {
  background: #5A6849;
}

[data-theme="dark"] .download-btn {
  background: #7A8A6A;
}

[data-theme="dark"] .download-btn:hover {
  background: #8A9A7A;
}

/* 密码保护开关 */
.password-protection-toggle {
  margin-top: 16px;
}

.protection-controls {
  display: flex;
  align-items: center;
  gap: 16px;
}

.switch-container {
  position: relative;
  width: 56px;
  height: 32px;
  background: var(--border-color);
  border-radius: 32px;
  cursor: pointer;
  transition: background 0.3s ease;
}

.switch-checkbox {
  display: none;
}

.switch-label {
  position: absolute;
  width: 100%;
  height: 100%;
  border-radius: 32px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.switch-label::before {
  content: '';
  position: absolute;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  top: 3px;
  left: 3px;
  background: white;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.switch-checkbox:checked + .switch-label {
  background: var(--accent-primary);
}

.switch-checkbox:checked + .switch-label::before {
  left: 27px;
}

.password-info {
  display: none;
  background: var(--bg-secondary);
  padding: 10px 14px;
  border-radius: 10px;
  font-size: 14px;
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
}

.generated-password {
  font-family: 'SF Mono', 'Monaco', 'Menlo', monospace;
  font-weight: 600;
  color: var(--accent-primary);
  cursor: pointer;
  transition: color 0.3s ease;
}

.copy-password-link {
  color: var(--accent-primary);
  text-decoration: none;
  font-size: 14px;
  margin-left: 12px;
  transition: color 0.3s ease;
}

.copy-password-link:hover {
  color: var(--accent-hover);
  text-decoration: underline;
}

/* 页脚 */
.app-footer {
  text-align: center;
  padding: 32px 0;
  margin-top: auto;
  border-top: 1px solid var(--border-color);
  transition: border-color 0.3s ease;
}

.footer-text {
  font-size: 14px;
  color: var(--text-secondary);
  font-weight: 400;
  transition: color 0.3s ease;
}

.footer-text a {
  color: var(--accent-primary);
  text-decoration: none;
  transition: color 0.2s ease;
}

.footer-text a:hover {
  color: var(--accent-hover);
  text-decoration: underline;
}

/* 加载指示器 */
.loading-indicator {
  display: none;
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: var(--bg-card);
  padding: 28px 36px;
  border-radius: 20px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-color);
  z-index: 1000;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.loading-indicator.show {
  display: flex;
}

.spinner {
  width: 36px;
  height: 36px;
  border: 3px solid var(--border-color);
  border-radius: 50%;
  border-top-color: var(--accent-primary);
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* 提示信息 */
.error-toast,
.success-toast {
  position: fixed;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--bg-card);
  padding: 18px 28px;
  border-radius: 16px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  gap: 12px;
  opacity: 0;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 1000;
  font-size: 15px;
}

.error-toast.show,
.success-toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

.error-toast {
  color: #c41e3a;
  border-color: #c41e3a;
}

.success-toast {
  color: var(--accent-primary);
  border-color: var(--accent-primary);
}

/* 代码类型指示器 */
.code-type-indicator {
  position: absolute;
  top: 14px;
  right: 14px;
  padding: 6px 14px;
  border-radius: 10px;
  font-size: 12px;
  font-weight: 600;
  background: var(--accent-primary);
  color: white;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 6px;
  box-shadow: var(--shadow-sm);
}

.code-type-indicator.html-type {
  background: #e44d26;
}

.code-type-indicator.markdown-type {
  background: #755AB5;
}

.code-type-indicator.svg-type {
  background: #FFB13B;
}

.code-type-indicator.mermaid-type {
  background: #0099e5;
}

/* 响应式设计 */
@media (max-width: 768px) {
  .main-container {
    padding: 80px 16px 24px;
  }
  
  .cyber-title {
    font-size: 44px;
  }
  
  .app-description {
    font-size: 17px;
  }
  
  .card {
    padding: 28px;
  }
  
  .mt-4 {
    flex-direction: column;
    align-items: stretch;
  }
  
  .cyber-btn,
  label[for="html-file"] {
    width: 100%;
  }
  
  .theme-toggle {
    width: 44px;
    height: 44px;
    top: 20px;
    right: 20px;
  }
}

@media (max-width: 480px) {
  .cyber-title {
    font-size: 36px;
  }
  
  .app-description {
    font-size: 15px;
  }
  
  .card {
    padding: 24px;
  }
  
  .result-container {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .action-buttons {
    align-self: flex-end;
  }
}

/* 工具提示 */
.tooltip {
  position: relative;
}

.tooltip::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  margin-bottom: 10px;
  background: var(--text-primary);
  color: var(--bg-card);
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 12px;
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: all 0.2s ease;
  z-index: 100;
  box-shadow: var(--shadow-md);
}

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

/* 淡入动画 */
.fade-in {
  animation: fadeInUp 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

/* 移除不需要的背景效果 */
.grid-background,
#particles-js {
  display: none !important;
}

/* 平滑过渡 */
* {
  transition-property: background-color, border-color, color, fill, stroke;
  transition-duration: 0.3s;
  transition-timing-function: ease;
}

/* 覆盖不需要过渡的元素 */
.cyber-input,
#html-input,
.cyber-btn,
.action-btn {
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}