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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #333;
    background: #f5f5f5;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navbar */
.navbar {
    background: #2c3e50;
    color: white;
    padding: 1rem 0;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.navbar .logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: white;
    text-decoration: none;
}

.nav-links a {
    color: white;
    text-decoration: none;
    margin-left: 2rem;
    opacity: 0.9;
}

.nav-links a:hover {
    opacity: 1;
}

/* Main content */
main {
    min-height: calc(100vh - 200px);
    padding: 2rem 0;
}

/* Hero */
.hero {
    text-align: center;
    padding: 3rem 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 10px;
    margin-bottom: 2rem;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.hero .tagline {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    opacity: 0.9;
}

.hero p {
    max-width: 600px;
    margin: 0 auto;
    opacity: 0.85;
}

/* Sections */
.section {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    margin-bottom: 2rem;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.section h2 {
    margin-bottom: 1rem;
    color: #2c3e50;
}

/* Tabs */
.tabs {
    display: flex;
    border-bottom: 2px solid #eee;
    margin-bottom: 1.5rem;
}

.tab {
    padding: 1rem 1.5rem;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
}

.tab:hover {
    background: #f8f9fa;
}

.tab.active {
    border-bottom-color: #667eea;
    color: #667eea;
    font-weight: bold;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* Code blocks */
pre {
    background: #2d3748;
    color: #e2e8f0;
    padding: 1.5rem;
    border-radius: 8px;
    overflow-x: auto;
    margin: 1rem 0;
}

code {
    font-family: 'Consolas', 'Monaco', monospace;
    font-size: 0.9rem;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background: #667eea;
    color: white;
    text-decoration: none;
    border-radius: 5px;
    margin-top: 1rem;
}

.btn:hover {
    background: #5a67d8;
}

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

.feature {
    padding: 1.5rem;
    background: #f8f9fa;
    border-radius: 8px;
}

.feature h3 {
    margin-bottom: 0.5rem;
    color: #2c3e50;
}

/* Lists */
ol, ul {
    margin-left: 1.5rem;
}

li {
    margin-bottom: 0.5rem;
}

/* Links */
a {
    color: #667eea;
}

/* Footer */
.footer {
    background: #2c3e50;
    color: white;
    text-align: center;
    padding: 2rem 0;
}

/* Cards */
.card {
    background: white;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 1rem;
}

.card h3 {
    margin-bottom: 0.5rem;
}

.card .meta {
    color: #718096;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

/* Forms */
input[type="text"],
input[type="email"],
textarea,
select {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #ddd;
    border-radius: 5px;
    margin-bottom: 1rem;
    font-size: 1rem;
}

button {
    padding: 0.75rem 1.5rem;
    background: #667eea;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1rem;
}

button:hover {
    background: #5a67d8;
}

/* Search */
.search-box {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.search-box input {
    flex: 1;
    margin-bottom: 0;
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 2rem;
}

.pagination a {
    padding: 0.5rem 1rem;
    background: #f8f9fa;
    border-radius: 5px;
    text-decoration: none;
}

.pagination a:hover {
    background: #e2e8f0;
}

/* API Key display */
.api-key {
    background: #f0fff4;
    border: 2px solid #48bb78;
    padding: 1rem;
    border-radius: 8px;
    font-family: monospace;
    font-size: 1.1rem;
    word-break: break-all;
}