:root {
  --bg-color: #0b0f14;
  --panel-color: #121826;
  --text-color: #e0e6ed;
  --accent-color: #00e0ff;
  --accent-hover: #00b3cc;
  --border-color: #2a3441;
  --font-main: 'Inter', 'Roboto', sans-serif;
  --max-width: 1100px;
}

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

body {
  background-color: var(--bg-color);
  color: var(--text-color);
  font-family: var(--font-main);
  line-height: 1.6;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

a {
  color: var(--accent-color);
  text-decoration: none;
  transition: opacity 0.2s;
}

a:hover {
  opacity: 0.8;
}

img {
  max-width: 100%;
  display: block;
}

/* Layout */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
  width: 100%;
}

header {
  background-color: rgba(11, 15, 20, 0.95);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 1000;
  padding: 1rem 0;
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.5px;
}

.nav-links {
  display: flex;
  gap: 20px;
  list-style: none;
}

.nav-links a {
  color: var(--text-color);
  font-weight: 500;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--accent-color);
}

main {
  flex: 1;
  padding: 40px 0;
}

footer {
  background-color: var(--panel-color);
  padding: 20px 0;
  text-align: center;
  font-size: 0.9rem;
  color: #8899a6;
  margin-top: auto;
}

/* Components */
.btn {
  display: inline-block;
  padding: 10px 20px;
  background-color: var(--accent-color);
  color: #000;
  font-weight: 600;
  border-radius: 4px;
  transition: background-color 0.2s;
}

.btn:hover {
  background-color: var(--accent-hover);
  opacity: 1;
}

.btn-secondary {
  background-color: transparent;
  border: 1px solid var(--accent-color);
  color: var(--accent-color);
}

.btn-secondary:hover {
  background-color: rgba(0, 224, 255, 0.1);
}

.card {
  background-color: var(--panel-color);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 20px;
  height: 100%;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
  margin-top: 2rem;
}

h1, h2, h3 {
  color: #fff;
  margin-bottom: 1rem;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 1.8rem; border-bottom: 1px solid var(--border-color); padding-bottom: 0.5rem; }
h3 { font-size: 1.3rem; }

ul {
  list-style-position: inside;
  margin-bottom: 1rem;
}

/* Mobile */
@media (max-width: 768px) {
  .nav-links {
    display: none; /* Simple for now, can add toggle later if needed */
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--panel-color);
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
  }
  
  .nav-links.show {
    display: flex;
  }

  h1 { font-size: 2rem; }
}

/* Documentation Content */
.doc-content {
  display: grid;
  grid-template-columns: 250px 1fr;
  gap: 40px;
}

.sidebar {
  position: sticky;
  top: 100px;
  align-self: start;
}

.sidebar ul {
  list-style: none;
}

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

.sidebar a {
  color: #8899a6;
  display: block;
}

.sidebar a:hover {
  color: var(--accent-color);
  padding-left: 5px;
}

@media (max-width: 768px) {
  .doc-content {
    grid-template-columns: 1fr;
  }
}