* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  overflow-x: hidden;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: #1a1a2e;
  color: #eee;
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 2rem;
  overflow-x: hidden;
}

header {
  text-align: center;
  margin-bottom: 2rem;
}

header h1 {
  font-size: 2.5rem;
  color: #e94560;
}

.subtitle {
  color: #888;
  margin-top: 0.5rem;
}

/* 警告框 */
.warning-box {
  background: #ff6b6b22;
  border: 1px solid #ff6b6b;
  padding: 1rem;
  border-radius: 8px;
  margin-bottom: 2rem;
}

.warning-box strong {
  color: #ff6b6b;
}

/* 成功框 */
.success-box {
  background: #51cf6622;
  border: 1px solid #51cf66;
  padding: 1rem;
  border-radius: 8px;
  margin: 1rem 0;
}

/* 信息框 */
.info-box {
  background: #0f3460;
  border: 1px solid #4dabf7;
  padding: 1rem;
  border-radius: 8px;
  margin: 1rem 0;
  color: #eee;
}

.info-box h3 {
  color: #4dabf7;
  margin-bottom: 0.5rem;
}

.info-box p {
  color: #ccc;
}

.info-box ul, .info-box ol {
  margin-left: 1.5rem;
  color: #ccc;
}

.info-box li {
  margin: 0.3rem 0;
}

/* 章节 */
section {
  background: #16213e;
  border-radius: 8px;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  border: 1px solid #0f3460;
  overflow-x: auto;
}

section h2 {
  color: #e94560;
  margin-bottom: 1rem;
  font-size: 1.3rem;
}

/* XSS 类型卡片 */
.types {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.type-card {
  background: #0f3460;
  padding: 1rem;
  border-radius: 8px;
}

.type-card h3 {
  color: #4dabf7;
  font-size: 1rem;
  margin-bottom: 0.5rem;
}

.type-card p {
  font-size: 0.9rem;
  color: #aaa;
}

/* 实验卡片 */
.lab-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: #0f3460;
  padding: 1.2rem;
  border-radius: 8px;
  margin-bottom: 1rem;
  text-decoration: none;
  color: inherit;
  transition: transform 0.2s, background 0.2s;
}

.lab-card:hover {
  background: #1a4a7a;
  transform: translateX(5px);
}

.lab-icon {
  font-size: 2rem;
}

.lab-info h3 {
  margin-bottom: 0.3rem;
}

.lab-info p {
  color: #aaa;
  font-size: 0.9rem;
}

.difficulty {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  font-size: 0.75rem;
  margin-top: 0.5rem;
}

.difficulty.easy { background: #51cf66; color: #000; }
.difficulty.medium { background: #fcc419; color: #000; }
.difficulty.hard { background: #ff6b6b; color: #fff; }

/* 防御列表 */
.defense ul {
  list-style: none;
}

.defense li {
  padding: 0.5rem 0;
  border-bottom: 1px solid #0f3460;
}

.defense li:last-child {
  border-bottom: none;
}

/* 表单元素 */
input, textarea {
  max-width: 100%;
  padding: 0.75rem;
  background: #0f3460;
  border: 1px solid #1a1a2e;
  border-radius: 4px;
  color: #eee;
  font-size: 1rem;
}

input:focus, textarea:focus {
  outline: none;
  border-color: #e94560;
}

.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  background: #e94560;
  color: white;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-size: 1rem;
  transition: background 0.2s;
}

.btn:hover {
  background: #c73e54;
}

.btn-secondary {
  background: #0f3460;
}

.btn-secondary:hover {
  background: #1a4a7a;
}

/* 代码块 */
code {
  background: #0f3460;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  font-family: 'Fira Code', 'Consolas', monospace;
  font-size: 0.85rem;
  color: #fcc419;
  word-break: break-word;
}

pre {
  background: #0f3460;
  padding: 1rem;
  border-radius: 4px;
  overflow-x: auto;
  margin: 1rem 0;
  max-width: 100%;
}

pre code {
  padding: 0;
  background: none;
  white-space: pre-wrap;
  word-break: break-word;
}

/* 评论列表 */
.comment-item {
  background: #0f3460;
  padding: 1rem;
  border-radius: 4px;
  margin-bottom: 0.5rem;
}

.comment-header {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  color: #888;
  margin-bottom: 0.5rem;
}

.comment-content {
  word-break: break-all;
}

/* 导航 */
.nav {
  margin-bottom: 1.5rem;
}

.nav a {
  color: #e94560;
  text-decoration: none;
}

.nav a:hover {
  text-decoration: underline;
}

/* 切换开关 */
.toggle-group {
  display: flex;
  gap: 1rem;
  margin: 1rem 0;
}

.toggle-group label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
}

/* Token 显示 */
.token-display {
  background: #0f3460;
  padding: 1rem;
  border-radius: 4px;
  font-family: monospace;
  word-break: break-all;
}

/* 攻击日志 */
.attack-log {
  background: #1a1a2e;
  padding: 1rem;
  border-radius: 4px;
  max-height: 300px;
  overflow-y: auto;
}

.log-item {
  padding: 0.5rem;
  border-bottom: 1px solid #0f3460;
  font-size: 0.9rem;
}

.log-item:last-child {
  border-bottom: none;
}


/* 表格样式 */
.info-table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0;
  display: block;
  overflow-x: auto;
}

.info-table th,
.info-table td {
  padding: 0.75rem;
  text-align: left;
  border-bottom: 1px solid #0f3460;
  color: #ccc;
  white-space: nowrap;
}

.info-table th {
  background: #0f3460;
  color: #4dabf7;
  font-weight: 600;
}

.info-table tr:hover {
  background: #16213e;
}

/* 返回链接 */
.back-link {
  display: inline-block;
  color: #4dabf7;
  text-decoration: none;
  margin-bottom: 1rem;
  padding: 0.5rem 0;
}

.back-link:hover {
  color: #e94560;
}

/* 强调文字 */
strong {
  color: #fff;
}

/* 小字 */
small {
  color: #888;
}

/* 链接 */
a {
  color: #4dabf7;
}

a:hover {
  color: #e94560;
}


/* 深色主题下的状态颜色 */
.bg-danger {
  background: #3d1f1f !important;
  color: #ff6b6b !important;
  border-color: #f44336 !important;
}

.bg-success {
  background: #1b4332 !important;
  color: #4caf50 !important;
  border-color: #4caf50 !important;
}

.bg-warning {
  background: #3d3d1f !important;
  color: #fcc419 !important;
  border-color: #fcc419 !important;
}

.bg-info {
  background: #1f2d3d !important;
  color: #4dabf7 !important;
  border-color: #4dabf7 !important;
}

/* 结果框 */
.result-box {
  background: #0f3460;
  padding: 10px;
  border-radius: 4px;
  margin-top: 10px;
  color: #ccc;
}

/* 设备框 */
.device-box {
  border: 2px solid #ddd;
  border-radius: 8px;
  padding: 15px;
  margin: 10px 0;
  background: #16213e;
  color: #eee;
}

.device-a {
  border-color: #4caf50;
  background: #1b4332;
}

.device-b {
  border-color: #f44336;
  background: #3d1f1f;
}

/* 流程图 */
.flow-box {
  padding: 15px;
  background: #0f3460;
  border-radius: 8px;
  text-align: center;
  min-width: 100px;
  color: #eee;
}

/* 统计卡片 */
.stat-card {
  background: #0f3460;
  padding: 15px;
  border-radius: 8px;
  text-align: center;
  color: #eee;
}

/* 演示框 */
.demo-box {
  border: 2px solid #ddd;
  border-radius: 8px;
  overflow: hidden;
  background: #16213e;
}

.demo-header {
  padding: 10px 15px;
  font-weight: bold;
  background: #0f3460;
  color: #eee;
}

.demo-content {
  background: #1a1a2e;
}

/* 网络图 */
.network-diagram {
  background: #16213e;
  padding: 20px;
  border-radius: 8px;
}

.node {
  background: #0f3460;
  color: #eee;
  padding: 15px;
  border-radius: 8px;
}

/* 上传框 */
.upload-box {
  border: 2px dashed #4dabf7;
  padding: 20px;
  border-radius: 8px;
  background: #16213e;
  color: #eee;
}

/* 对比框 */
.compare-box {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

@media (max-width: 768px) {
  .compare-box {
    grid-template-columns: 1fr;
  }
}

.unsafe-box {
  border: 2px solid #f44336;
  padding: 15px;
  border-radius: 8px;
  background: #3d1f1f;
  color: #eee;
}

.safe-box {
  border: 2px solid #4caf50;
  padding: 15px;
  border-radius: 8px;
  background: #1b4332;
  color: #eee;
}

/* 余额卡片 */
.balance-card {
  display: inline-block;
  padding: 15px 25px;
  margin: 10px;
  background: #0f3460;
  border-radius: 8px;
  color: #eee;
}

/* 截获框 */
.intercepted {
  background: #3d1f1f;
  border: 2px solid #f44336;
  padding: 15px;
  border-radius: 8px;
  color: #ff6b6b;
}

/* 防御框 */
.defense-box {
  border: 2px solid #4caf50;
  padding: 15px;
  border-radius: 8px;
  background: #1b4332;
  color: #eee;
}

/* 进度条 */
.progress-bar {
  width: 100%;
  height: 20px;
  background: #0f3460;
  border-radius: 10px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, #4caf50, #8bc34a);
  transition: width 0.3s;
}


/* 响应式修复 */
@media (max-width: 768px) {
  .container {
    padding: 1rem;
  }
  
  section {
    padding: 1rem;
  }
  
  .lab-card {
    flex-direction: column;
    text-align: center;
  }
  
  .stats-grid {
    grid-template-columns: 1fr !important;
  }
  
  .network-diagram {
    flex-direction: column;
  }
  
  .transfer-flow {
    flex-direction: column;
  }
}

/* 通用溢出修复 */
.info-box,
.warning-box,
.success-box,
.result-box,
.device-box,
.upload-box,
.defense-box,
.unsafe-box,
.safe-box {
  overflow-x: auto;
  word-wrap: break-word;
}

/* 统计网格 */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 15px;
  margin: 15px 0;
}

/* 攻击日志 */
.attack-log {
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-word;
}

/* 图片和 iframe */
img, iframe {
  max-width: 100%;
  height: auto;
}

/* 长文本换行 */
.token-display,
.packet-box,
.leak-data {
  word-break: break-all;
  overflow-wrap: break-word;
}

/* 按钮组 */
.btn {
  white-space: nowrap;
  margin: 5px 5px 5px 0;
}

/* 输入框在 info-box 内 */
.info-box input,
.info-box textarea {
  width: auto;
  max-width: 100%;
}