/* HiClaw SEO Pages - Global Styles */
:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --primary-light: #3b82f6;
  --bg: #f6f7f9;
  --bg-sidebar: #eef0f4;
  --bg-code: #f1f5f9;
  --text: #1e293b;
  --text-light: #64748b;
  --border: #e2e8f0;
  --accent: #0ea5e9;
  --success: #10b981;
  --warning: #f59e0b;
  --radius: 8px;
  --shadow: 0 1px 3px rgba(0,0,0,0.1);
  --sidebar-width: 260px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  color: var(--text);
  line-height: 1.7;
  background: var(--bg);
}

a { color: var(--primary); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--primary-dark); text-decoration: underline; }

/* Layout */
.page-wrapper {
  display: flex;
  min-height: 100vh;
}

/* Sidebar / TOC */
.sidebar {
  width: var(--sidebar-width);
  background: var(--bg-sidebar);
  border-right: 1px solid var(--border);
  padding: 24px 0;
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  overflow-y: auto;
  z-index: 100;
}

.sidebar-logo {
  padding: 0 20px 20px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 16px;
}

.sidebar-logo a {
  font-size: 22px;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: -0.5px;
}

.sidebar-logo a:hover { text-decoration: none; }

.sidebar-logo .tagline {
  font-size: 12px;
  color: var(--text-light);
  margin-top: 4px;
}

.sidebar nav { padding: 0 12px; }

.sidebar nav a {
  display: block;
  padding: 8px 12px;
  border-radius: 6px;
  color: var(--text);
  font-size: 14px;
  font-weight: 500;
  transition: all 0.2s;
}

.sidebar nav a:hover {
  background: #e2e8f0;
  text-decoration: none;
  color: var(--primary);
}

.sidebar nav a.active {
  background: var(--primary);
  color: #fff;
}

.sidebar nav .nav-section {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--text-light);
  padding: 16px 12px 6px;
  font-weight: 600;
}

.sidebar nav .toc-sub {
  padding-left: 24px;
  font-size: 13px;
  color: var(--text-light);
}

.sidebar nav .toc-sub:hover { color: var(--primary); }

/* Main Content */
.main-content {
  margin-left: var(--sidebar-width);
  flex: 1;
  max-width: 900px;
  padding: 48px 48px 80px;
}

/* Header Banner */
.hero {
  background: linear-gradient(135deg, #1e3a5f 0%, #2563eb 100%);
  color: #fff;
  padding: 48px 40px;
  border-radius: var(--radius);
  margin-bottom: 40px;
}

.hero h1 {
  font-size: 36px;
  font-weight: 800;
  margin-bottom: 12px;
  letter-spacing: -0.5px;
}

.hero p {
  font-size: 18px;
  opacity: 0.9;
  max-width: 600px;
  line-height: 1.6;
}

.hero .cta {
  display: inline-block;
  margin-top: 20px;
  padding: 12px 28px;
  background: #fff;
  color: var(--primary);
  font-weight: 700;
  border-radius: 6px;
  font-size: 15px;
  transition: transform 0.2s, box-shadow 0.2s;
}

.hero .cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
  text-decoration: none;
}

/* Typography */
h1 { font-size: 32px; font-weight: 800; margin-bottom: 16px; letter-spacing: -0.5px; color: var(--text); }
h2 { font-size: 24px; font-weight: 700; margin: 40px 0 16px; padding-bottom: 8px; border-bottom: 2px solid var(--border); color: var(--text); }
h3 { font-size: 18px; font-weight: 600; margin: 28px 0 12px; color: var(--text); }
h4 { font-size: 16px; font-weight: 600; margin: 20px 0 8px; color: var(--text-light); }
p { margin-bottom: 16px; }
ul, ol { margin: 0 0 16px 24px; }
li { margin-bottom: 6px; }

/* Cards & Boxes */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
  margin: 24px 0;
}

.card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  transition: box-shadow 0.2s, transform 0.2s;
}

.card:hover {
  box-shadow: 0 4px 16px rgba(0,0,0,0.08);
  transform: translateY(-2px);
}

.card h3 { margin-top: 0; font-size: 17px; }
.card p { font-size: 14px; color: var(--text-light); margin-bottom: 12px; }
.card a { font-size: 14px; font-weight: 600; }

.info-box {
  background: #eff6ff;
  border-left: 4px solid var(--primary);
  padding: 16px 20px;
  border-radius: 0 var(--radius) var(--radius) 0;
  margin: 20px 0;
  font-size: 14px;
}

.info-box.success {
  background: #ecfdf5;
  border-left-color: var(--success);
}

.info-box.warning {
  background: #fffbeb;
  border-left-color: var(--warning);
}

/* Code */
code {
  background: var(--bg-code);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 14px;
  font-family: 'SF Mono', 'Fira Code', monospace;
}

pre {
  background: #1e293b;
  color: #e2e8f0;
  padding: 20px;
  border-radius: var(--radius);
  overflow-x: auto;
  margin: 16px 0;
  font-size: 14px;
  line-height: 1.6;
}

pre code {
  background: none;
  padding: 0;
  color: inherit;
}

/* Table */
table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
  font-size: 14px;
}

th, td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

th {
  background: var(--bg-sidebar);
  font-weight: 600;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-light);
}

tr:hover { background: #f8fafc; }

/* Badge */
.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 600;
}

.badge-blue { background: #dbeafe; color: #1d4ed8; }
.badge-green { background: #dcfce7; color: #15803d; }
.badge-orange { background: #fed7aa; color: #c2410c; }

/* Footer */
.footer {
  margin-top: 60px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  font-size: 13px;
  color: var(--text-light);
}

.footer-links { margin-bottom: 12px; }
.footer-links a { margin-right: 16px; font-weight: 500; }

/* Internal Link Block */
.related-pages {
  background: var(--bg-sidebar);
  border-radius: var(--radius);
  padding: 24px;
  margin-top: 40px;
}

.related-pages h3 { margin-top: 0; font-size: 16px; }

.related-pages ul { list-style: none; margin: 12px 0 0; padding: 0; }

.related-pages li {
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
}

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

.related-pages li a { font-weight: 500; }

.related-pages li span {
  display: block;
  font-size: 13px;
  color: var(--text-light);
  margin-top: 2px;
}

/* FAQ */
.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 12px;
  overflow: hidden;
}

.faq-item summary {
  padding: 16px 20px;
  font-weight: 600;
  cursor: pointer;
  background: var(--bg-sidebar);
  transition: background 0.2s;
}

.faq-item summary:hover { background: #e2e8f0; }

.faq-item .faq-answer {
  padding: 16px 20px;
  font-size: 14px;
  line-height: 1.7;
}

/* Responsive */
@media (max-width: 768px) {
  .sidebar {
    position: relative;
    width: 100%;
    height: auto;
    border-right: none;
    border-bottom: 1px solid var(--border);
  }
  .main-content {
    margin-left: 0;
    padding: 24px 20px 60px;
  }
  .hero { padding: 32px 24px; }
  .hero h1 { font-size: 28px; }
  .card-grid { grid-template-columns: 1fr; }
}