/* Dark-mode root */
.dark-mode {
  background: #121212;
  color: #e0e0e0;
}

/* Header & Nav */
.dev-header {
  background: #1f1f1f;
  padding: 20px 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.dev-header h1 {
  font-size: 1.8rem;
  color: #bb86fc;
}
.dev-header nav a {
  margin-left: 20px;
  color: #e0e0e0;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s ease;
}
.dev-header nav a:hover {
  color: #ffffff;
}
.dev-header nav a.active {
  color: #03dac6;
}
.dev-header .cta {
  padding: 8px 16px;
  background: #03dac6;
  color: #121212;
  border-radius: 4px;
}

/* Hero */
.hero {
  padding: 100px 20px;
  text-align: center;
  background: linear-gradient(180deg, #1f1f1f, #121212);
}
.hero h2 {
  font-size: 2.8rem;
  margin-bottom: 10px;
}
.hero p {
  color: #cfcfcf;
  margin-bottom: 20px;
}
.hero .btn {
  padding: 12px 24px;
  background: #bb86fc;
  color: #121212;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 600;
  transition: background 0.3s;
}
.hero .btn:hover {
  background: #aa76eb;
}

/* Quickstart */
.quickstart {
  padding: 60px 20px;
}
.quickstart h3 {
  margin-bottom: 20px;
  border-left: 4px solid #bb86fc;
  padding-left: 12px;
}
.columns {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}
.column {
  flex: 1;
  min-width: 200px;
  background: #1e1e1e;
  padding: 20px;
  border-radius: 6px;
}
.column h4 {
  margin-bottom: 10px;
  color: #03dac6;
}
.column pre {
  background: #121212;
  padding: 12px;
  border-radius: 4px;
  overflow-x: auto;
}

/* API Reference */
.api {
  padding: 60px 20px;
}
.api h3 {
  margin-bottom: 16px;
}
.api ul {
  list-style: none;
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}
.api ul li a {
  color: #bb86fc;
  text-decoration: none;
}
.api article {
  margin-top: 30px;
  padding: 20px;
  background: #1e1e1e;
  border-radius: 6px;
}
.api article h4 {
  color: #03dac6;
  margin-bottom: 8px;
}
.api article pre {
  background: #121212;
  padding: 12px;
  border-radius: 4px;
  overflow-x: auto;
}

/* SDK Cards */
.sdks {
  padding: 60px 20px;
}
.sdks h3 {
  margin-bottom: 24px;
}
.sdk-grid {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}
.card {
  background: #1f1f1f;
  padding: 20px;
  border-radius: 6px;
  transition: transform 0.2s;
}
.card:hover {
  transform: translateY(-4px);
}
.card h4 {
  color: #bb86fc;
  margin-bottom: 12px;
}
.card pre {
  background: #121212;
  padding: 12px;
  border-radius: 4px;
  overflow-x: auto;
}

/* Resources */
.resources {
  padding: 60px 20px;
}
.resources ul {
  list-style: none;
  display: grid;
  gap: 12px;
  max-width: 400px;
}
.resources li a {
  color: #cfcfcf;
  text-decoration: none;
}
.resources li a:hover {
  color: #ffffff;
}

/* Footer */
.dev-footer {
  padding: 30px 20px;
  text-align: center;
  background: #1f1f1f;
  color: #888;
}
.dev-footer a {
  color: #bb86fc;
  text-decoration: none;
}
.dev-footer a:hover {
  color: #ffffff;
}