/* ============================================================
   改卷侠·文档中心 — 统一样式
   与 admin.php 保持一致的卡片式设计风格
   ============================================================ */

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

/* ── CSS 变量 ── */
:root {
  --primary: #2563EB;
  --primary-dark: #1D4ED8;
  --primary-light: #DBEAFE;
  --green: #059669;
  --green-light: #ECFDF5;
  --orange: #D97706;
  --orange-light: #FFF7ED;
  --red: #DC2626;
  --red-light: #FEF2F2;
  --purple: #8B5CF6;
  --bg: #F8FAFC;
  --bg-card: #FFFFFF;
  --border: #E5E7EB;
  --text: #1F2937;
  --text-secondary: #6B7280;
  --text-muted: #9CA3AF;
  --shadow: 0 1px 3px rgba(0,0,0,.08);
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  min-height: 100vh;
}

/* ── 顶部导航栏 ── */
.doc-header {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #FFF;
  padding: 20px 32px;
  text-align: center;
  box-shadow: 0 2px 8px rgba(0,0,0,.1);
}
.doc-header h1 { font-size: 22px; font-weight: 700; letter-spacing: .5px; }
.menu-toggle{display:none;position:fixed;top:12px;left:12px;z-index:1100;width:40px;height:40px;background:#2563EB;color:#FFF;border:none;border-radius:8px;font-size:22px;cursor:pointer;align-items:center;justify-content:center;box-shadow:0 4px 6px rgba(0,0,0,.1)}.doc-header p { font-size: 13px; margin-top: 4px; opacity: .85; }

/* ── 主容器：左侧目录 + 右侧内容 ── */
.doc-wrapper {
  max-width: 1160px;
  margin: 28px auto;
  padding: 0 20px;
  display: flex;
  gap: 28px;
  align-items: flex-start;
}

/* ── 左侧目录 ── */
.doc-sidebar {
  width: 230px;
  flex-shrink: 0;
  position: sticky;
  top: 24px;
  background: var(--bg-card);
  border-radius: 10px;
  box-shadow: var(--shadow);
  overflow: hidden;
}
.doc-sidebar-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--text);
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  background: #F9FAFB;
}
.doc-nav { list-style: none; padding: 6px 0; }
.doc-nav li { }
.doc-nav a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 14px;
  font-size: 12px;
  color: var(--text-secondary);
  text-decoration: none;
  transition: all .15s;
  border-left: 3px solid transparent;
}
.doc-nav a:hover {
  background: var(--primary-light);
  color: var(--primary);
}
.doc-nav a.active {
  background: var(--primary-light);
  color: var(--primary);
  font-weight: 600;
  border-left-color: var(--primary);
}
.doc-nav a .nav-icon { font-size: 14px; width: 20px; text-align: center; flex-shrink: 0; }

/* ── 右侧内容区 ── */
.doc-content {
  flex: 1;
  min-width: 0;
}

/* ── 卡片 ── */
.card {
  background: var(--bg-card);
  border-radius: 10px;
  box-shadow: var(--shadow);
  margin-bottom: 20px;
  overflow: hidden;
}
.card-header {
  padding: 14px 24px;
  border-bottom: 1px solid var(--border);
  font-weight: 700;
  font-size: 16px;
  color: var(--text);
  background: #F9FAFB;
}
.card-body {
  padding: 24px;
}
.chapter-card {
  border-left: 4px solid var(--primary);
}

/* ── 排版 ── */
.card-body h2 {
  font-size: 20px;
  color: var(--text);
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--primary-light);
}
.card-body h3 {
  font-size: 16px;
  color: var(--text);
  margin: 20px 0 10px;
}
.card-body h4 {
  font-size: 14px;
  color: var(--primary-dark);
  margin: 14px 0 8px;
}
.card-body p {
  margin-bottom: 12px;
  font-size: 14px;
  color: var(--text);
}
.card-body ul, .card-body ol {
  margin: 8px 0 16px 20px;
  font-size: 14px;
}
.card-body li {
  margin-bottom: 6px;
  line-height: 1.8;
}
.card-body strong {
  color: var(--primary-dark);
}
.card-body code {
  background: #F1F5F9;
  padding: 2px 6px;
  border-radius: 4px;
  font-family: Consolas, Monaco, monospace;
  font-size: 13px;
  color: var(--red);
}
.card-body pre {
  background: #1E293B;
  color: #E2E8F0;
  padding: 14px 18px;
  border-radius: 8px;
  font-family: Consolas, Monaco, monospace;
  font-size: 13px;
  overflow-x: auto;
  margin: 12px 0;
  line-height: 1.6;
}

/* ── 步骤列表 ── */
.step-list {
  list-style: none;
  margin: 12px 0 20px !important;
  padding: 0;
}
.step-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px dashed var(--border);
}
.step-list li:last-child { border-bottom: none; }
.step-num {
  width: 28px;
  height: 28px;
  background: var(--primary);
  color: #FFF;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
  flex-shrink: 0;
}
.step-text { flex: 1; font-size: 14px; }
.step-text strong { display: block; margin-bottom: 2px; }

/* ── 提示框 ── */
.tip {
  border-radius: 8px;
  padding: 12px 16px;
  margin: 14px 0;
  font-size: 13px;
  line-height: 1.7;
}
.tip-info {
  background: var(--primary-light);
  border: 1px solid #BFDBFE;
  color: var(--primary-dark);
}
.tip-info::before { content: '💡 '; }
.tip-warn {
  background: var(--orange-light);
  border: 1px solid #FDE68A;
  color: #92400E;
}
.tip-warn::before { content: '⚠️ '; }
.tip-success {
  background: var(--green-light);
  border: 1px solid #A7F3D0;
  color: #065F46;
}
.tip-success::before { content: '✅ '; }
.tip-danger {
  background: var(--red-light);
  border: 1px solid #FECACA;
  color: #991B1B;
}
.tip-danger::before { content: '🚫 '; }

/* ── 表格 ── */
.doc-table {
  width: 100%;
  border-collapse: collapse;
  margin: 12px 0;
  font-size: 13px;
}
.doc-table th, .doc-table td {
  text-align: left;
  padding: 10px 14px;
  border: 1px solid var(--border);
}
.doc-table th {
  background: #F9FAFB;
  color: var(--text-secondary);
  font-weight: 600;
  white-space: nowrap;
}
.doc-table tr:hover td { background: #F9FAFB; }

/* ── 图片容器 ── */
.img-box {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px;
  margin: 16px 0;
  text-align: center;
  background: #FAFAFA;
}
.img-box img {
  max-width: 100%;
  border-radius: 4px;
}
.img-box .caption {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 6px;
}

/* ── 标签/徽章 ── */
.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 10px;
  font-size: 11px;
  font-weight: 600;
}
.badge-green { background: var(--green-light); color: var(--green); }
.badge-orange { background: var(--orange-light); color: var(--orange); }
.badge-blue { background: var(--primary-light); color: var(--primary); }

/* ── 键盘快捷键 ── */
kbd {
  display: inline-block;
  padding: 2px 8px;
  font-size: 12px;
  font-family: Consolas, Monaco, monospace;
  background: #F1F5F9;
  border: 1px solid #CBD5E1;
  border-radius: 4px;
  box-shadow: 0 1px 1px rgba(0,0,0,.08);
}

/* ── 页脚 ── */
.doc-footer {
  text-align: center;
  padding: 20px;
  color: var(--text-muted);
  font-size: 12px;
}

/* ── 后台编辑器专用 ── */
.editor-area {
  width: 100%;
  min-height: 300px;
  font-family: Consolas, Monaco, monospace;
  font-size: 13px;
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: 6px;
  resize: vertical;
  line-height: 1.6;
}
.editor-area:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(59,130,246,.15);
}

/* ── 响应式 ── */
@media(max-width:1024px){.doc-wrapper{gap:20px}.doc-sidebar{width:210px}}
@media(max-width:768px){
  body{overflow-x:hidden;word-wrap:break-word}
  .doc-wrapper{flex-direction:column;margin:0 auto!important;padding:0 8px!important;overflow-x:hidden}
  .page-wrapper{display:block}
  .card-body{padding:16px}
  .card-body img{max-width:100%;height:auto;display:block}
  .doc-table{display:block;overflow-x:auto;-webkit-overflow-scrolling:touch}
  .card-body pre{max-width:calc(100vw-36px);-webkit-overflow-scrolling:touch;white-space:pre-wrap;word-break:break-all}
  .menu-toggle{display:none}
  .doc-sidebar{position:static;top:0;left:0;height:auto;width:100%;max-width:100%;z-index:auto;transition:none;border-radius:10px;border:1px solid #E2E8F0;overflow:visible;margin-bottom:12px;box-shadow:0 1px 4px rgba(0,0,0,.04)}
  .doc-sidebar.open{left:0}
  .doc-sidebar-title{padding:10px 12px;font-size:13px}
  .doc-nav{display:flex;flex-direction:row;flex-wrap:wrap;gap:6px;padding:4px 10px 10px;max-height:none;overflow:visible}
  .doc-nav a{border-left:none;border-radius:999px;padding:5px 12px;font-size:12px;background:#F1F5F9;white-space:nowrap;min-height:0}
  .doc-nav a.active{border-left:none;background:var(--primary);color:#FFF}
}

@media(max-width:480px){
.doc-header{padding:6px 10px;min-height:38px;text-align:left;display:flex;align-items:center;flex-wrap:wrap;gap:4px}
.doc-header h1{font-size:13px;line-height:1.2;margin:0}
.doc-header p{font-size:10px;margin:0;opacity:.7}
.menu-toggle{top:5px;left:5px;width:28px;height:28px;font-size:14px;border-radius:5px}
.doc-sidebar-title{padding:8px 12px;font-size:12px}
.doc-nav a{padding:5px 10px;font-size:12px}
.doc-wrapper{margin:8px auto;padding:0 6px}
.card{margin-bottom:8px;border-radius:8px}
.card-header{padding:8px 10px;font-size:12px}
.card-body{padding:10px}
.card-body h2{font-size:15px;margin-bottom:8px;padding-bottom:8px}
.card-body h3{font-size:13px;margin:12px 0 6px}
.card-body h4{font-size:12px;margin:10px 0 5px}
.card-body p,.card-body li{font-size:12px;margin-bottom:8px}
.card-body pre{font-size:10px;padding:8px}
.card-body ul,.card-body ol{margin:6px 0 12px 16px;font-size:12px}
.step-list li{gap:6px;padding:6px 0}
.step-num{width:20px;height:20px;font-size:10px}
.step-text{font-size:12px}
.doc-table{font-size:10px}
.doc-table td,.doc-table th{padding:5px 6px}
}
.card-body img{max-width:100%;height:auto}.doc-table{display:block;overflow-x:auto;-webkit-overflow-scrolling:touch}
body{overflow-x:hidden;word-wrap:break-word}
.doc-wrapper{overflow-x:hidden}
.card-body img{max-width:100%;height:auto;display:block}
.card-body pre{max-width:calc(100vw-36px);-webkit-overflow-scrolling:touch;white-space:pre-wrap;word-break:break-all}
.doc-table{display:block;overflow-x:auto;-webkit-overflow-scrolling:touch}
.doc-nav a{min-height:30px}
.menu-toggle{min-width:44px;min-height:44px}
.card-body{word-wrap:break-word;overflow-wrap:break-word}
}