/**
 * Long-form Selenium guide — shares palette with theme-selenium.css
 */

@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;600&family=Inter:wght@400;500;600;700&display=swap');

:root {
  /* Code blocks stay dark in every theme (complete guides) */
  --wd-code-bg: #0d1117;
  --wd-code-text: #c9d1d9;
  --wd-code-border: #30363d;
  --wd-code-surface: #161b22;
  --font-sans: 'Inter', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  --sidebar-width: 280px;
  --header-height: 56px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 1.5rem);
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.65;
  color: var(--wd-text);
  background: var(--wd-bg);
  background-image:
    radial-gradient(ellipse 80% 50% at 50% -20%, var(--wd-gradient-a), transparent),
    radial-gradient(circle at 100% 100%, var(--wd-gradient-b), transparent 40%);
}

a {
  color: var(--wd-green);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  height: var(--header-height);
  padding: 0 1.5rem;
  background: var(--wd-header-bg);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--wd-border);
}

.site-header::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--wd-green-dark), var(--wd-green), transparent);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--wd-text);
  text-decoration: none;
}

.brand img {
  width: 28px;
  height: 28px;
}

.brand:hover {
  text-decoration: none;
}

.header-links {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.875rem;
}

.header-links a {
  color: var(--wd-muted);
}

.header-links a:hover {
  color: var(--wd-green);
}

.header-links a.nav-github {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.header-links a.nav-github:hover {
  text-decoration: none;
}

.header-links a.nav-github img {
  width: 18px;
  height: 18px;
  object-fit: contain;
}

[data-theme='dark'] .header-links a.nav-github img {
  filter: brightness(0) invert(1);
}

[data-theme='light'] .header-links a.nav-github img {
  filter: none;
}

.layout {
  display: grid;
  grid-template-columns: var(--sidebar-width) 1fr;
  max-width: 1400px;
  margin: 0 auto;
  min-height: calc(100vh - var(--header-height));
}

.sidebar {
  position: sticky;
  top: var(--header-height);
  align-self: start;
  max-height: calc(100vh - var(--header-height));
  overflow-y: auto;
  padding: 1.5rem 1rem 2rem 1.5rem;
  border-right: 1px solid var(--wd-border);
  font-size: 0.8125rem;
}

.sidebar h2 {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--wd-muted);
  margin: 1.25rem 0 0.5rem;
}

.sidebar h2:first-child {
  margin-top: 0;
}

.sidebar ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.sidebar li {
  margin: 0.15rem 0;
}

.sidebar a {
  display: block;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  color: var(--wd-muted);
  text-decoration: none;
}

.sidebar a:hover,
.sidebar a.active {
  color: var(--wd-green);
  background: var(--wd-surface);
}

main {
  padding: 2rem 2.5rem 4rem;
  max-width: 900px;
}

.hero {
  margin-bottom: 3rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--wd-border);
  text-align: center;
}

.hero-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.85rem;
  margin-bottom: 1.25rem;
}

.hero-logo img {
  width: 64px;
  height: 64px;
  filter: drop-shadow(0 0 20px var(--wd-green-glow));
}

.hero-logo .wordmark {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.04em;
  background: linear-gradient(135deg, var(--wd-h1-gradient-start) 30%, var(--wd-green) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero h1 {
  font-size: 2.25rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  margin: 0 0 0.5rem;
  background: linear-gradient(135deg, var(--wd-h1-gradient-start) 0%, var(--wd-green) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero .subtitle {
  font-size: 1.1rem;
  color: var(--wd-muted);
  margin: 0 0 1rem;
}

.badge {
  display: inline-block;
  padding: 0.35em 0.9em;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--wd-green);
  background: var(--wd-surface);
  border: 1px solid var(--wd-border);
  border-radius: 999px;
}

section {
  margin-bottom: 3.5rem;
}

section > h2 {
  font-size: 1.65rem;
  font-weight: 700;
  color: var(--wd-green);
  margin: 0 0 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--wd-border);
}

section > h2::after {
  content: '';
  display: block;
  width: 48px;
  height: 3px;
  margin-top: 0.5rem;
  background: linear-gradient(90deg, var(--wd-green), transparent);
  border-radius: 2px;
}

section h3 {
  font-size: 1.15rem;
  color: var(--wd-text);
  margin: 1.75rem 0 0.75rem;
}

section h4 {
  font-size: 0.95rem;
  color: var(--wd-green);
  margin: 1.25rem 0 0.5rem;
}

section p,
section li {
  color: var(--wd-text);
}

section li {
  margin-bottom: 0.4rem;
}

strong {
  color: var(--wd-green);
  font-weight: 600;
}

code {
  font-family: var(--font-mono);
  font-size: 0.875em;
  background: var(--wd-surface-2);
  color: var(--wd-green);
  padding: 0.12em 0.35em;
  border-radius: 4px;
  border: 1px solid var(--wd-border);
}

[data-theme='light'] code:not(pre code) {
  background: var(--wd-code-bg);
  color: var(--wd-code-text);
  border-color: var(--wd-code-border);
}

pre {
  margin: 1rem 0;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  border-radius: 10px;
  border: 1px solid var(--wd-code-border);
  box-shadow: 0 8px 32px var(--wd-shadow);
  overflow: auto;
}

pre code {
  display: block;
  padding: 1rem 1.25rem;
  background: var(--wd-code-bg);
  color: var(--wd-code-text);
  border: none;
  font-size: 0.8125rem;
  line-height: 1.6;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  margin: 1.25rem 0;
}

.platform-grid {
  grid-template-columns: 1fr;
}

.platform-grid pre {
  margin: 0.75rem 0 0;
  font-size: 0.8125rem;
}

/* Any grid that contains code blocks — one card per row */
.feature-grid:has(pre),
.feature-grid:has(.terminal) {
  grid-template-columns: 1fr;
}

.feature-card pre {
  margin: 0.75rem 0 0;
}

.platform-grid .feature-card p {
  margin-top: 0.75rem;
  font-size: 0.82rem;
}

.feature-card {
  background: var(--wd-surface);
  border: 1px solid var(--wd-border);
  border-radius: 10px;
  padding: 1rem 1.15rem;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.feature-card:hover {
  border-color: var(--wd-green);
  box-shadow: 0 0 20px var(--wd-green-glow);
}

.feature-card h4 {
  margin-top: 0;
}

.feature-card .card-logo {
  display: block;
  width: 32px;
  height: 32px;
  margin-bottom: 0.65rem;
}

.feature-card p {
  color: var(--wd-muted);
  font-size: 0.9rem;
  margin: 0;
}

.steps {
  list-style: none;
  padding: 0;
  counter-reset: step;
}

.steps li {
  counter-increment: step;
  display: flex;
  gap: 1rem;
  margin-bottom: 1.25rem;
  padding: 1rem 1.15rem;
  background: var(--wd-surface);
  border: 1px solid var(--wd-border);
  border-radius: 10px;
}

.steps li::before {
  content: counter(step);
  flex-shrink: 0;
  width: 2rem;
  height: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.875rem;
  color: var(--wd-step-counter-text);
  background: var(--wd-green);
  border-radius: 50%;
}

.compare-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
  margin: 1rem 0;
}

.compare-table th,
.compare-table td {
  padding: 0.6rem 0.75rem;
  text-align: left;
  border: 1px solid var(--wd-border);
}

.compare-table th {
  background: var(--wd-surface);
  color: var(--wd-green);
  font-weight: 600;
}

.compare-table td {
  background: var(--wd-surface-2);
}

.compare-table tr.group-row td {
  background: var(--wd-surface);
  color: var(--wd-green);
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.compare-table.compact {
  font-size: 0.8125rem;
}

.command-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 0.75rem 0 1rem;
}

.cmd-tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 0.25em 0.6em;
  color: var(--wd-green);
  background: var(--wd-surface);
  border: 1px solid var(--wd-border);
  border-radius: 4px;
}

.two-col {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  margin: 1rem 0;
}

.two-col > pre,
.two-col > .terminal {
  width: 100%;
}

.terminal {
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  background: var(--wd-code-bg);
  border: 1px solid var(--wd-code-border);
  border-radius: 10px;
  overflow: hidden;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
}

.terminal-header {
  display: flex;
  gap: 6px;
  padding: 0.6rem 0.75rem;
  background: var(--wd-code-surface);
  border-bottom: 1px solid var(--wd-code-border);
}

.terminal-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.terminal-dot.red { background: #ff5f57; }
.terminal-dot.yellow { background: #febc2e; }
.terminal-dot.green { background: #28c840; }

.terminal-body {
  padding: 1rem;
  color: var(--wd-code-text);
}

.terminal-body .prompt {
  color: var(--wd-green);
}

.terminal-body .comment {
  color: #6e7681;
}

.callout {
  padding: 1rem 1.15rem;
  margin: 1rem 0;
  background: var(--wd-callout-bg);
  border-left: 3px solid var(--wd-green);
  border-radius: 0 8px 8px 0;
  font-size: 0.9rem;
  color: var(--wd-muted);
}

.pom-diagram {
  display: flex;
  align-items: stretch;
  gap: 1rem;
  margin: 1.25rem 0;
  flex-wrap: wrap;
}

.pom-box {
  flex: 1;
  min-width: 200px;
  background: var(--wd-surface);
  border: 1px solid var(--wd-border);
  border-radius: 10px;
  padding: 1rem;
}

.pom-box h4 {
  margin-top: 0;
}

.pom-arrow {
  display: flex;
  align-items: center;
  font-size: 1.5rem;
  color: var(--wd-green);
}

.page-map-item {
  padding: 0.6rem 0.85rem;
  margin-bottom: 0.4rem;
  background: var(--wd-surface);
  border: 1px solid var(--wd-border);
  border-radius: 8px;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
}

.page-map-item span {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.8rem;
  color: var(--wd-muted);
  margin-top: 0.2rem;
}

.site-footer {
  padding: 2rem 2.5rem;
  border-top: 1px solid var(--wd-border);
  text-align: center;
  font-size: 0.875rem;
  color: var(--wd-muted);
}

@media (max-width: 960px) {
  .layout {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
    max-height: none;
    border-right: none;
    border-bottom: 1px solid var(--wd-border);
    padding-bottom: 1rem;
  }

  main {
    padding: 1.5rem;
  }

  .header-links {
    display: none;
  }
}

@media print {
  .sidebar,
  .site-header,
  .header-links {
    display: none;
  }

  .layout {
    display: block;
  }

  main {
    max-width: none;
    padding: 0;
  }

  pre {
    break-inside: avoid;
  }
}