/**
 * Base Styles - Minimal, clean foundation
 * Single Responsibility: Global baseline styling
 */

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', sans-serif;
    line-height: 1.6;
    color: #1a1a1a;
    background-color: #ffffff;
    font-size: 16px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    color: #1a1a1a;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.1rem; }

p {
    margin-bottom: 1rem;
    color: #4a4a4a;
}

/* Links */
a {
    color: #0066cc;
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: #0052a3;
}

/* Loading States */
.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 3rem;
    color: #666;
    font-size: 1rem;
}

.spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid #e0e0e0;
    border-top-color: #0066cc;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
    margin-right: 0.75rem;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Success/Error */
.success {
    color: #059669;
}

.error {
    color: #dc2626;
}

/* Code */
code {
    font-family: 'Monaco', 'Menlo', 'Consolas', monospace;
    font-size: 0.9em;
    background: #f5f5f5;
    padding: 0.2em 0.4em;
    border-radius: 3px;
}

pre {
    font-family: 'Monaco', 'Menlo', 'Consolas', monospace;
    background: #f5f5f5;
    padding: 1rem;
    border-radius: 6px;
    overflow-x: auto;
    font-size: 0.875rem;
}