/* SEObserver API Documentation - style.css */
:root {
  --sidebar-bg: #1a1a2e;
  --sidebar-text: #a0aec0;
  --sidebar-active: #fff;
  --sidebar-hover: #e2e8f0;
  --sidebar-accent: #6366f1;
  --sidebar-width: 280px;
  --content-bg: #fff;
  --content-text: #1a202c;
  --content-secondary: #4a5568;
  --border-color: #e2e8f0;
  --code-bg: #f7fafc;
  --code-border: #e2e8f0;
  --badge-get: #38a169;
  --badge-post: #3182ce;
  --badge-delete: #e53e3e;
  --badge-flat: #805ad5;
  --badge-variable: #d69e2e;
  --badge-mixed: #dd6b20;
  --link-color: #4f46e5;
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  --font-mono: 'SF Mono', 'Fira Code', 'Fira Mono', Menlo, Consolas, monospace;
}

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

html { scroll-behavior: smooth; scroll-padding-top: 24px; }

body {
  font-family: var(--font-sans);
  color: var(--content-text);
  background: var(--content-bg);
  line-height: 1.6;
}

/* Sidebar */
.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--sidebar-width);
  height: 100vh;
  background: var(--sidebar-bg);
  color: var(--sidebar-text);
  overflow-y: auto;
  z-index: 100;
  padding-bottom: 40px;
}

.sidebar-header {
  padding: 24px 20px 16px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.sidebar-header h1 {
  font-size: 18px;
  color: #fff;
  font-weight: 700;
  letter-spacing: -0.3px;
}

.sidebar-header .subtitle {
  font-size: 12px;
  color: var(--sidebar-text);
  margin-top: 2px;
}

.sidebar-header a {
  display: inline-block;
  margin-top: 10px;
  font-size: 12px;
  color: var(--sidebar-accent);
  text-decoration: none;
}

.sidebar-header a:hover { text-decoration: underline; }

.sidebar nav { padding: 12px 0; }

.nav-group { margin-bottom: 4px; }

.nav-group-title {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: rgba(255,255,255,0.35);
  padding: 12px 20px 4px;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 5px 20px 5px 28px;
  font-size: 13px;
  color: var(--sidebar-text);
  text-decoration: none;
  transition: all 0.15s;
}

.nav-link:hover {
  color: var(--sidebar-hover);
  background: rgba(255,255,255,0.04);
}

.nav-link .method-badge-sm {
  font-size: 9px;
  font-weight: 700;
  padding: 1px 4px;
  border-radius: 3px;
  font-family: var(--font-mono);
  min-width: 28px;
  text-align: center;
}

.nav-link .method-badge-sm.get { background: rgba(56,161,105,0.2); color: #68d391; }
.nav-link .method-badge-sm.post { background: rgba(49,130,206,0.2); color: #63b3ed; }
.nav-link .method-badge-sm.delete { background: rgba(229,62,62,0.2); color: #fc8181; }

/* Main content */
.content {
  margin-left: var(--sidebar-width);
  max-width: 900px;
  padding: 40px 48px 80px;
}

.content h1 {
  font-size: 32px;
  font-weight: 800;
  letter-spacing: -0.5px;
  margin-bottom: 8px;
}

.content > p.lead {
  font-size: 16px;
  color: var(--content-secondary);
  margin-bottom: 32px;
}

/* Sections */
.section { margin-bottom: 56px; }

.section h2 {
  font-size: 22px;
  font-weight: 700;
  border-bottom: 2px solid var(--border-color);
  padding-bottom: 8px;
  margin-bottom: 16px;
}

.section h3 {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 8px;
  margin-top: 24px;
}

.section p {
  margin-bottom: 12px;
  color: var(--content-secondary);
  font-size: 14px;
}

/* Endpoint card */
.endpoint {
  border: 1px solid var(--border-color);
  border-radius: 8px;
  margin-bottom: 32px;
  overflow: hidden;
}

.endpoint-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  background: var(--code-bg);
  border-bottom: 1px solid var(--border-color);
}

.method-badge {
  font-size: 12px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 4px;
  font-family: var(--font-mono);
  color: #fff;
  min-width: 50px;
  text-align: center;
}

.method-badge.get { background: var(--badge-get); }
.method-badge.post { background: var(--badge-post); }
.method-badge.delete { background: var(--badge-delete); }

.endpoint-path {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 600;
  color: var(--content-text);
}

.endpoint-cost {
  margin-left: auto;
  font-size: 12px;
  padding: 3px 10px;
  border-radius: 12px;
  font-weight: 600;
}

.endpoint-cost.flat { background: rgba(128,90,213,0.1); color: var(--badge-flat); }
.endpoint-cost.variable { background: rgba(214,158,46,0.1); color: var(--badge-variable); }
.endpoint-cost.mixed { background: rgba(221,107,32,0.1); color: var(--badge-mixed); }
.endpoint-cost.free { background: rgba(56,161,105,0.1); color: var(--badge-get); }

.endpoint-body { padding: 20px; }

.endpoint-body p {
  font-size: 14px;
  color: var(--content-secondary);
  margin-bottom: 16px;
}

.endpoint-body .note {
  font-size: 13px;
  color: #744210;
  background: #fffff0;
  border: 1px solid #fefcbf;
  border-radius: 6px;
  padding: 10px 14px;
  margin-bottom: 16px;
}

.endpoint-body .note.beta {
  color: #744210;
  background: #fffbeb;
  border-color: #fcd34d;
}

/* Tables */
.params-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  margin-bottom: 16px;
}

.params-table th {
  text-align: left;
  font-weight: 600;
  padding: 8px 12px;
  background: var(--code-bg);
  border-bottom: 2px solid var(--border-color);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--content-secondary);
}

.params-table td {
  padding: 8px 12px;
  border-bottom: 1px solid var(--border-color);
  vertical-align: top;
}

.params-table code {
  font-family: var(--font-mono);
  font-size: 12px;
  background: var(--code-bg);
  padding: 2px 5px;
  border-radius: 3px;
  color: #9b2c2c;
}

.params-table .required {
  color: #e53e3e;
  font-weight: 600;
  font-size: 11px;
}

.params-table .optional {
  color: var(--content-secondary);
  font-size: 11px;
}

/* Code blocks */
.code-block {
  position: relative;
  margin-bottom: 16px;
}

.code-block-label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--content-secondary);
  margin-bottom: 4px;
}

.code-block pre {
  background: #1e1e2e;
  color: #cdd6f4;
  padding: 16px;
  border-radius: 6px;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.5;
}

.code-block pre .c { color: #6c7086; }
.code-block pre .s { color: #a6e3a1; }
.code-block pre .k { color: #89b4fa; }
.code-block pre .n { color: #fab387; }

/* Collapsible response */
.collapsible { margin-bottom: 8px; }

.collapsible summary {
  cursor: pointer;
  font-size: 12px;
  font-weight: 600;
  color: var(--link-color);
  padding: 4px 0;
  user-select: none;
}

.collapsible summary:hover { text-decoration: underline; }

/* Auth section */
.auth-example {
  background: var(--code-bg);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 16px;
  margin-bottom: 16px;
}

.auth-example code {
  font-family: var(--font-mono);
  font-size: 13px;
}

/* Costs table in overview */
.costs-overview {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  margin-bottom: 24px;
}

.costs-overview th {
  text-align: left;
  font-weight: 600;
  padding: 10px 12px;
  background: var(--code-bg);
  border-bottom: 2px solid var(--border-color);
}

.costs-overview td {
  padding: 8px 12px;
  border-bottom: 1px solid var(--border-color);
}

.costs-overview code {
  font-family: var(--font-mono);
  font-size: 12px;
}

/* Mobile */
.menu-toggle {
  display: none;
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 200;
  background: var(--sidebar-bg);
  color: #fff;
  border: none;
  border-radius: 6px;
  padding: 8px 12px;
  font-size: 18px;
  cursor: pointer;
}

@media (max-width: 900px) {
  .menu-toggle { display: block; }
  .sidebar {
    transform: translateX(-100%);
    transition: transform 0.25s ease;
  }
  .sidebar.open { transform: translateX(0); }
  .content {
    margin-left: 0;
    padding: 60px 24px 80px;
  }
}

/* Language switcher */
.lang-switcher {
  display: flex;
  gap: 6px;
  margin-top: 10px;
}

.lang-switcher a {
  padding: 3px 8px;
  font-size: 11px;
  font-weight: 600;
  border-radius: 4px;
  text-decoration: none;
  color: var(--sidebar-text);
  background: rgba(255,255,255,0.06);
  transition: all 0.15s;
}

.lang-switcher a:hover {
  background: rgba(255,255,255,0.12);
  color: #fff;
}

.lang-switcher a.active {
  background: var(--sidebar-accent);
  color: #fff;
}

/* Use case cards */
.use-cases-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
  margin-bottom: 32px;
}

.use-case-card {
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 16px;
  transition: border-color 0.15s;
}

.use-case-card:hover {
  border-color: var(--sidebar-accent);
}

.use-case-card h4 {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--content-text);
}

.use-case-card p {
  font-size: 13px;
  color: var(--content-secondary);
  margin-bottom: 10px;
  line-height: 1.5;
}

.use-case-card .endpoint-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

.use-case-card .endpoint-badges a {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 2px 6px;
  border-radius: 3px;
  background: var(--code-bg);
  color: var(--link-color);
  text-decoration: none;
  border: 1px solid var(--border-color);
  transition: all 0.15s;
}

.use-case-card .endpoint-badges a:hover {
  background: var(--sidebar-accent);
  color: #fff;
  border-color: var(--sidebar-accent);
}

.use-cases-category {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--content-secondary);
  margin-bottom: 12px;
  margin-top: 24px;
}

.use-cases-category:first-child {
  margin-top: 0;
}

/* Code tabs */
.code-tabs {
  margin-bottom: 16px;
}

.code-tabs-nav {
  display: flex;
  gap: 0;
  border-bottom: 2px solid #1e1e2e;
  margin-bottom: 0;
}

.code-tabs-nav button {
  padding: 6px 14px;
  font-size: 11px;
  font-weight: 600;
  font-family: var(--font-mono);
  background: #2a2a3e;
  color: #8888a0;
  border: none;
  cursor: pointer;
  transition: all 0.15s;
  border-radius: 6px 6px 0 0;
}

.code-tabs-nav button:hover {
  color: #cdd6f4;
  background: #333350;
}

.code-tabs-nav button.active {
  background: #1e1e2e;
  color: #cdd6f4;
}

.code-tab-panel {
  display: none;
}

.code-tab-panel.active {
  display: block;
}

.code-tab-panel pre {
  border-radius: 0 0 6px 6px;
  margin-top: 0;
}

/* Scrollbar sidebar */
.sidebar::-webkit-scrollbar { width: 6px; }
.sidebar::-webkit-scrollbar-track { background: transparent; }
.sidebar::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.12); border-radius: 3px; }