/* xs Engine Documentation - Pure CSS */
/* Gradient theme matching the engine UI */

/* Import Selawik font */
@import url('https://fonts.cdnfonts.com/css/selawik');

:root {
  --xs-orange: #f89020;
  --xs-pink: #e85a8f;
  --xs-purple: #c739d8;
  --xs-dark: #1a1a2e;
  --xs-darker: #0f0f1e;
  --text-light: #e0e0e0;
  --text-muted: #a0a0a0;
}

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

body {
  font-family: 'Selawik', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  background: var(--xs-dark);
  color: var(--text-light);
  line-height: 1.6;
}

/* Sticky Navigation */
nav {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: linear-gradient(90deg, var(--xs-orange) 0%, var(--xs-pink) 50%, var(--xs-purple) 100%);
  padding: 1rem 2rem;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6rem;
}

nav .nav-logo {
  display: flex;
  align-items: center;
  margin: -0.5rem 0;
}

nav .nav-logo img {
  height: 50px;
  width: 50px;
  filter: drop-shadow(0 4px 4px rgba(0, 0, 0, 0.5));
}

nav .logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: white;
  text-decoration: none;
  font-size: 1rem;
  font-weight: 600;
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
  padding: 0.6rem 1.2rem;
  border-radius: 6px;
  transition: transform 0.2s, box-shadow 0.2s;
  line-height: 1;
}

nav .logo:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

nav .nav-links {
  display: flex;
  gap: 1rem;
  list-style: none;
  align-items: center;
  padding: 0;
  margin: 0;
}

nav .nav-links a {
  color: white;
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem;
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(20px);
  padding: 0.6rem 1.2rem;
  border-radius: 6px;
  transition: transform 0.2s, box-shadow 0.2s;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  line-height: 1;
  min-height: 2.0rem;
}

nav .nav-links a .icon-svg {
  height: 2rem;
  margin: -1.5rem 0;
}

nav .nav-links a:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

/* Main Container */
.container {
  max-width: 1040px;
  margin: 0 auto;
  padding: 2rem;
}

/* Hero Section */
.hero-section {
  background: linear-gradient(135deg, var(--xs-orange) 0%, var(--xs-pink) 50%, var(--xs-purple) 100%);
  color: white;
  padding: 4rem 2rem;
  text-align: center;
  margin: -2rem -2rem 2rem -2rem;
  border-radius: 0;
}

.hero-section h1 {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: 1rem;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.hero-section p {
  font-size: 1.3rem;
  margin-bottom: 2rem;
  opacity: 0.95;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  background: white;
  color: var(--xs-orange);
  padding: 0.8rem 1.5rem;
  border-radius: 6px;
  font-weight: 600;
  text-decoration: none;
  transition: transform 0.2s, box-shadow 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.2);
  color: white;
  backdrop-filter: blur(10px);
}

/* Content Sections */
h2 {
  color: var(--xs-orange);
  font-size: 2rem;
  margin: 2rem 0 1rem 0;
  padding-left: 1rem;
}

h3 {
  color: var(--xs-pink);
  font-size: 1.5rem;
  margin: 1.5rem 0 0.5rem 0;
}

p {
  margin-bottom: 1rem;
}

a {
  color: var(--xs-orange);
  transition: color 0.2s;
}

a:hover {
  color: var(--xs-pink);
}

/* Feature Cards */
.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
  margin: 2rem 0;
}

.feature-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  padding: 1.5rem;
  transition: transform 0.2s, border-color 0.2s;
}

.feature-card:hover {
  transform: translateY(-4px);
  border-color: var(--xs-orange);
}

.feature-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, var(--xs-orange), var(--xs-pink));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.feature-card h3 {
  color: var(--xs-orange);
  margin: 0 0 0.5rem 0;
  font-size: 1.2rem;
}

.feature-card p {
  opacity: 0.9;
  margin: 0;
}

/* Warning/Note Boxes */
.warning, .note {
  background: rgba(248, 144, 32, 0.1);
  border-left: 4px solid var(--xs-orange);
  padding: 1rem;
  margin: 1rem 0;
  border-radius: 4px;
}

.warning strong, .note strong {
  color: var(--xs-orange);
}

/* Code Blocks */
pre {
  background: var(--xs-darker);
  border-left: 4px solid var(--xs-orange);
  padding: 1rem;
  overflow-x: auto;
  border-radius: 4px;
  margin: 1rem 0;
}

code {
  background: var(--xs-darker);
  padding: 0.2rem 0.4rem;
  border-radius: 3px;
  font-family: 'Courier New', Courier, monospace;
  color: var(--xs-pink);
}

pre code {
  background: transparent;
  padding: 0;
}

/* Lists */
ul, ol {
  margin-left: 2rem;
  margin-bottom: 1rem;
}

li {
  margin-bottom: 0.5rem;
}

/* API Documentation Specific */
.api-section h3 {
  background: rgba(248, 144, 32, 0.1);
  padding: 0.5rem 1rem;
  border-radius: 4px;
  margin-top: 1.5rem;
}

.api-section h3 code {
  background: transparent;
  color: var(--xs-orange);
}

.api-method {
  margin-bottom: 2rem;
}

/* Sidebar Navigation (for API docs) */
.layout-with-sidebar {
  display: flex;
  gap: 2rem;
  max-width: 1400px;
  margin: 0 auto;
  padding: 2rem;
}

.sidebar {
  width: 250px;
  flex-shrink: 0;
  background: rgba(255, 255, 255, 0.05);
  padding: 1.5rem;
  border-radius: 8px;
  height: fit-content;
  position: sticky;
  top: 80px;
}

.sidebar h3 {
  font-size: 1rem;
  margin: 0 0 1rem 0;
  color: var(--xs-orange);
}

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

.sidebar li {
  margin-bottom: 0.5rem;
}

.sidebar a {
  color: var(--text-light);
  text-decoration: none;
  display: block;
  padding: 0.5rem;
  border-radius: 4px;
  transition: background 0.2s;
}

.sidebar a:hover {
  background: rgba(248, 144, 32, 0.2);
}

.sidebar a.active {
  background: rgba(248, 144, 32, 0.2);
  border-left: 3px solid var(--xs-orange);
}

.main-content {
  flex: 1;
  min-width: 0;
}

/* Footer */
footer {
  background: linear-gradient(90deg, var(--xs-orange) 0%, var(--xs-pink) 50%, var(--xs-purple) 100%);
  color: white;
  text-align: center;
  padding: 0.8rem;
  margin-top: 1rem;
}

footer p {
  margin: 0.2rem 0;
}

footer a {
  color: white;
  text-decoration: underline;
}

/* Responsive Design */
@media (max-width: 768px) {
  nav {
    flex-direction: column;
    gap: 1rem;
  }

  nav .nav-links {
    flex-direction: column;
    gap: 0.5rem;
    text-align: center;
  }

  .hero-section h1 {
    font-size: 2rem;
  }

  .hero-section p {
    font-size: 1.1rem;
  }

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

  .layout-with-sidebar {
    flex-direction: column;
  }

  .sidebar {
    width: 100%;
    position: static;
  }

  .container {
    padding: 1rem;
  }
}

/* Utility Classes */
.text-center {
  text-align: center;
}

.mt-2 {
  margin-top: 2rem;
}

.mb-2 {
  margin-bottom: 2rem;
}

hr {
  border: none;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  margin: 2rem 0;
}