/* ============================================================
   Claude Code CLI 实战教程 — 共享样式表
   默认浅色主题 | 支持切换到暗色主题
   ============================================================ */

/* === 浅色主题（默认） === */
:root,
[data-theme="light"] {
  --bg: #ffffff;
  --bg-secondary: #f6f8fa;
  --card-bg: #ffffff;
  --border: #d0d7de;
  --border-strong: #afb8c1;
  --text: #24292f;
  --text-secondary: #57606a;
  --heading: #1f2328;
  --accent: #0969da;
  --accent-hover: #0550b2;
  --accent-bg: rgba(9, 105, 218, 0.06);
  --code-bg: #f6f8fa;
  --code-border: #d0d7de;
  --code-text: #1f2328;
  --inline-code: #cf222e;
  --inline-code-bg: rgba(255, 129, 130, 0.08);
  --success: #1a7f37;
  --success-bg: rgba(26, 127, 55, 0.06);
  --warning: #9a6700;
  --warning-bg: rgba(154, 103, 0, 0.06);
  --danger: #cf222e;
  --danger-bg: rgba(207, 34, 46, 0.06);
  --muted: #656d76;
  --muted-light: #8b949e;
  --shadow: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-hover: 0 4px 12px rgba(0,0,0,0.08);
  --btn-bg: #f6f8fa;
  --btn-border: #d0d7de;
  --btn-hover-bg: #0969da;
  --btn-hover-text: #ffffff;
  --table-stripe: #f6f8fa;
  --tag-bg: rgba(9, 105, 218, 0.08);
  --tag-text: #0969da;
  --tag-border: rgba(9, 105, 218, 0.2);
  --tag-green-bg: rgba(26, 127, 55, 0.08);
  --tag-green-text: #1a7f37;
  --tag-green-border: rgba(26, 127, 55, 0.2);
  --tag-orange-bg: rgba(154, 103, 0, 0.08);
  --tag-orange-text: #9a6700;
  --tag-orange-border: rgba(154, 103, 0, 0.2);
  --gradient-card: linear-gradient(135deg, rgba(9,105,218,0.03), rgba(26,127,55,0.02));
  --theme-toggle-bg: #f6f8fa;
  --theme-toggle-border: #d0d7de;
}

/* === 暗色主题 === */
[data-theme="dark"] {
  --bg: #0d1117;
  --bg-secondary: #161b22;
  --card-bg: #161b22;
  --border: #30363d;
  --border-strong: #484f58;
  --text: #c9d1d9;
  --text-secondary: #8b949e;
  --heading: #f0f6fc;
  --accent: #58a6ff;
  --accent-hover: #79b8ff;
  --accent-bg: rgba(88, 166, 255, 0.08);
  --code-bg: #1c2128;
  --code-border: #30363d;
  --code-text: #e6edf3;
  --inline-code: #ff7b72;
  --inline-code-bg: rgba(248, 81, 73, 0.1);
  --success: #3fb950;
  --success-bg: rgba(63, 185, 80, 0.08);
  --warning: #d29922;
  --warning-bg: rgba(210, 153, 34, 0.08);
  --danger: #f85149;
  --danger-bg: rgba(248, 81, 73, 0.08);
  --muted: #8b949e;
  --muted-light: #6e7681;
  --shadow: 0 1px 3px rgba(0,0,0,0.2), 0 1px 2px rgba(0,0,0,0.15);
  --shadow-hover: 0 4px 12px rgba(0,0,0,0.3);
  --btn-bg: #21262d;
  --btn-border: #30363d;
  --btn-hover-bg: #58a6ff;
  --btn-hover-text: #000000;
  --table-stripe: #1c2128;
  --tag-bg: rgba(88, 166, 255, 0.1);
  --tag-text: #58a6ff;
  --tag-border: rgba(88, 166, 255, 0.2);
  --tag-green-bg: rgba(63, 185, 80, 0.1);
  --tag-green-text: #3fb950;
  --tag-green-border: rgba(63, 185, 80, 0.2);
  --tag-orange-bg: rgba(210, 153, 34, 0.1);
  --tag-orange-text: #d29922;
  --tag-orange-border: rgba(210, 153, 34, 0.2);
  --gradient-card: linear-gradient(135deg, rgba(88,166,255,0.06), rgba(63,185,80,0.03));
  --theme-toggle-bg: #21262d;
  --theme-toggle-border: #30363d;
}

/* === 基础重置 === */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Noto Sans SC', Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  padding: 20px;
  max-width: 960px;
  margin: 0 auto;
  transition: background 0.3s ease, color 0.3s ease;
}

/* === 主题切换按钮 === */
.theme-toggle-wrapper {
  position: fixed;
  top: 16px;
  right: 20px;
  z-index: 1000;
}
.theme-toggle {
  background: var(--theme-toggle-bg);
  border: 1px solid var(--theme-toggle-border);
  border-radius: 24px;
  padding: 7px 16px;
  cursor: pointer;
  font-size: 0.9em;
  color: var(--text);
  box-shadow: var(--shadow);
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}
.theme-toggle:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-1px);
}
.theme-toggle .icon-sun,
.theme-toggle .icon-moon {
  font-size: 1.1em;
}
[data-theme="light"] .theme-toggle .icon-moon { display: inline; }
[data-theme="light"] .theme-toggle .icon-sun  { display: none;  }
[data-theme="dark"]  .theme-toggle .icon-moon { display: none;  }
[data-theme="dark"]  .theme-toggle .icon-sun  { display: inline; }

/* === 标题层级 === */
h1 {
  color: var(--heading);
  font-size: 2em;
  border-bottom: 2px solid var(--accent);
  padding-bottom: 10px;
  margin: 30px 0 20px;
}
h2 {
  color: var(--heading);
  font-size: 1.5em;
  margin: 30px 0 15px;
  border-left: 4px solid var(--accent);
  padding-left: 12px;
}
h3 {
  color: var(--heading);
  font-size: 1.2em;
  margin: 22px 0 10px;
}
h4 {
  color: var(--heading);
  margin: 8px 0;
}
p { margin: 12px 0; }

/* === 通用卡片 === */
.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px;
  margin: 16px 0;
  box-shadow: var(--shadow);
}

/* === 代码块 === */
pre {
  background: var(--code-bg);
  border: 1px solid var(--code-border);
  border-radius: 6px;
  padding: 16px;
  overflow-x: auto;
  font-size: 0.88em;
  margin: 12px 0;
  position: relative;
  line-height: 1.55;
}
code {
  font-family: 'Cascadia Code', 'Fira Code', 'JetBrains Mono', 'SF Mono', monospace;
  font-size: 0.88em;
}
:not(pre) > code {
  background: var(--inline-code-bg);
  color: var(--inline-code);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.88em;
  font-weight: 500;
}
pre code {
  color: var(--code-text);
  background: none;
  padding: 0;
  border: none;
  font-weight: 400;
}

/* === 复制按钮 === */
.copy-btn {
  position: absolute;
  top: 8px;
  right: 8px;
  background: var(--btn-bg);
  color: var(--muted);
  border: 1px solid var(--btn-border);
  border-radius: 4px;
  padding: 4px 10px;
  cursor: pointer;
  font-size: 0.8em;
  transition: all 0.15s ease;
}
.copy-btn:hover {
  background: var(--btn-hover-bg);
  color: var(--btn-hover-text);
  border-color: var(--btn-hover-bg);
}

/* === 标注块：note / warning / danger / tip === */
.note,
.warning,
.danger,
.tip {
  padding: 12px 16px;
  border-radius: 0 6px 6px 0;
  margin: 16px 0;
}
.note {
  border-left: 4px solid var(--accent);
  background: var(--accent-bg);
}
.warning {
  border-left: 4px solid var(--warning);
  background: var(--warning-bg);
}
.danger {
  border-left: 4px solid var(--danger);
  background: var(--danger-bg);
}
.tip {
  border-left: 4px solid var(--success);
  background: var(--success-bg);
}

/* === 表格 === */
table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}
th, td {
  padding: 10px 14px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}
th {
  background: var(--code-bg);
  color: var(--heading);
  font-weight: 600;
}
tr:nth-child(even) td {
  background: var(--table-stripe);
}

/* === 列表 === */
ul, ol { margin: 10px 0 10px 24px; }
li { margin: 6px 0; }

/* === 目录 === */
.toc {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px 24px;
  margin: 20px 0;
  box-shadow: var(--shadow);
}
.toc a { color: var(--accent); text-decoration: none; }
.toc a:hover { text-decoration: underline; }

/* === 链接 === */
a { color: var(--accent); }
a:hover { color: var(--accent-hover); }

/* === 页脚 === */
footer {
  text-align: center;
  color: var(--muted);
  margin: 40px 0 20px;
  font-size: 0.85em;
  border-top: 1px solid var(--border);
  padding-top: 20px;
}
footer a { color: var(--accent); }

/* === 场景标题 === */
.scenario-header {
  background: var(--gradient-card);
  border: 1px solid var(--accent);
  border-radius: 8px;
  padding: 16px 20px;
  margin: 24px 0 12px;
}
.scenario-header h2 { margin: 0; border: none; padding: 0; }

/* === 步骤流程 === */
.flow-steps {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 20px 0;
}
.flow-step {
  background: var(--card-bg);
  border: 1px solid var(--accent);
  border-radius: 8px;
  padding: 14px 18px;
  flex: 1;
  min-width: 130px;
  text-align: center;
  box-shadow: var(--shadow);
}
.flow-step .num {
  font-size: 1.6em;
  color: var(--accent);
  font-weight: bold;
}
.flow-step .label {
  color: var(--heading);
  margin-top: 6px;
  font-weight: 500;
}

/* === 流程图（横排） === */
.flow {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
  margin: 20px 0;
  font-family: monospace;
}
.flow-box {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 16px;
  text-align: center;
}
.flow-arrow {
  color: var(--accent);
  font-size: 1.3em;
}

/* === 模板框 === */
.template-box {
  background: var(--code-bg);
  border: 1px dashed var(--accent);
  border-radius: 6px;
  padding: 16px;
  margin: 12px 0;
}
.template-box pre {
  background: transparent;
  border: none;
  padding: 8px 0;
  margin: 0;
}

/* === 阶段徽章 === */
.phase-badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 12px;
  font-size: 0.8em;
  font-weight: 600;
  margin-right: 6px;
}
.phase-design { background: rgba(9,105,218,0.1); color: #0969da; }
.phase-code   { background: rgba(26,127,55,0.1); color: #1a7f37; }
.phase-debug  { background: rgba(207,34,46,0.1); color: #cf222e; }
.phase-deploy { background: rgba(154,103,0,0.1); color: #9a6700; }

[data-theme="dark"] .phase-design { background: rgba(88,166,255,0.15); color: #58a6ff; }
[data-theme="dark"] .phase-code   { background: rgba(63,185,80,0.15); color: #3fb950; }
[data-theme="dark"] .phase-debug  { background: rgba(248,81,73,0.15); color: #f85149; }
[data-theme="dark"] .phase-deploy { background: rgba(210,153,34,0.15); color: #d29922; }

/* === 错误卡片 === */
.error-card {
  background: var(--card-bg);
  border: 1px solid var(--danger);
  border-radius: 8px;
  padding: 16px 20px;
  margin: 16px 0;
}
.error-card h4 { color: var(--danger); margin-bottom: 8px; }
.error-card .fix-label { color: var(--success); font-weight: bold; margin-top: 10px; }

/* === 严重级别标签 === */
.severity-critical {
  color: #fff;
  background: #cf222e;
  padding: 2px 8px;
  border-radius: 10px;
  font-size: 0.72em;
  font-weight: bold;
}
.severity-high {
  color: #fff;
  background: #d97626;
  padding: 2px 8px;
  border-radius: 10px;
  font-size: 0.72em;
  font-weight: bold;
}
.severity-medium {
  background: rgba(154,103,0,0.2);
  color: #9a6700;
  padding: 2px 8px;
  border-radius: 10px;
  font-size: 0.72em;
  font-weight: bold;
}
[data-theme="dark"] .severity-medium {
  background: rgba(210,153,34,0.25);
  color: #d29922;
}

/* === 标签 === */
.tag {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 12px;
  font-size: 0.75em;
  font-weight: 600;
  background: var(--tag-bg);
  color: var(--tag-text);
  border: 1px solid var(--tag-border);
  margin-right: 4px;
}
.tag-green {
  background: var(--tag-green-bg);
  color: var(--tag-green-text);
  border: 1px solid var(--tag-green-border);
}
.tag-orange {
  background: var(--tag-orange-bg);
  color: var(--tag-orange-text);
  border: 1px solid var(--tag-orange-border);
}

/* === 副标题 === */
.subtitle {
  text-align: center;
  color: var(--muted);
  font-size: 1.05em;
  margin-bottom: 30px;
}

/* === 阶段卡片（index 页用） === */
.stage-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
  margin: 20px 0;
}
.stage-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 24px;
  transition: border-color 0.2s, box-shadow 0.2s;
  text-decoration: none;
  display: block;
  color: inherit;
  box-shadow: var(--shadow);
}
.stage-card:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-hover);
}
.stage-num {
  font-size: 2.5em;
  font-weight: 800;
  color: var(--accent);
  opacity: 0.6;
}
.stage-card h2 { margin: 8px 0; font-size: 1.15em; border: none; padding: 0; }
.stage-card p { color: var(--muted); font-size: 0.88em; }
.stage-card .tag-list { margin-top: 10px; display: flex; flex-wrap: wrap; gap: 6px; }

/* === 特性列表 === */
.features {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 24px;
  margin: 30px 0;
  box-shadow: var(--shadow);
}
.features h3 { color: var(--heading); margin-bottom: 12px; }
.features ul { list-style: none; padding: 0; }
.features li { padding: 6px 0; }
.features li::before { content: '✅ '; margin-right: 6px; }

/* === 验收清单 === */
.checklist-category { color: var(--accent); font-weight: bold; margin-top: 16px; }

/* === 学习路线 === */
.roadmap-phase {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
  margin: 10px 0;
}
.roadmap-phase h4 { color: var(--accent); }

/* === 命令表格（首列等宽字体） === */
.cmd-table td:first-child {
  font-family: 'Cascadia Code', 'Fira Code', 'JetBrains Mono', monospace;
  color: var(--accent);
  white-space: nowrap;
  font-weight: bold;
}

/* === 辅助文本 === */
.cmd-desc {
  color: var(--muted);
  font-size: 0.88em;
  margin-top: 4px;
}
.step {
  color: var(--accent);
  font-weight: bold;
}

/* === 响应式 === */
@media (max-width: 640px) {
  body { padding: 12px; }
  h1 { font-size: 1.5em; }
  h2 { font-size: 1.25em; }
  pre { font-size: 0.8em; padding: 12px; }
  .flow-steps { flex-direction: column; }
  .flow-step { min-width: auto; }
  .stage-grid { grid-template-columns: 1fr; }
  .theme-toggle-wrapper { top: 8px; right: 8px; }
  .theme-toggle { padding: 5px 10px; font-size: 0.8em; }
}