:root {
    --color-bg: #f5f6f8;
    --color-surface: #ffffff;
    --color-border: #e3e5e9;
    --color-text: #1f2430;
    --color-muted: #6b7280;
    --color-primary: #4f46e5;
    --color-primary-dark: #4338ca;
    --color-success: #16a34a;
    --radius: 10px;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.5;
}

a {
    color: var(--color-primary);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.5rem;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
}

.navbar .brand {
    font-weight: 700;
    font-size: 1.125rem;
    color: var(--color-text);
}

.navbar .brand:hover {
    text-decoration: none;
}

.navbar nav a {
    margin-left: 1.5rem;
    color: var(--color-muted);
    font-weight: 500;
}

.navbar nav a:hover {
    color: var(--color-text);
    text-decoration: none;
}

.container {
    max-width: 960px;
    margin: 0 auto;
    padding: 2.5rem 1.5rem;
}

.card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1.5rem 1.75rem;
    margin-bottom: 1.5rem;
    box-shadow: 0 1px 2px rgba(16, 24, 40, 0.04);
}

.card h2 {
    margin-top: 0;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.25rem 0.65rem;
    border-radius: 999px;
    font-size: 0.8125rem;
    font-weight: 600;
    background: rgba(22, 163, 74, 0.1);
    color: var(--color-success);
}

.badge::before {
    content: "";
    width: 0.5rem;
    height: 0.5rem;
    border-radius: 50%;
    background: currentColor;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
}

.stat {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1rem 1.25rem;
}

.stat .label {
    font-size: 0.8125rem;
    color: var(--color-muted);
    margin-bottom: 0.25rem;
}

.stat .value {
    font-size: 1.25rem;
    font-weight: 600;
}

.hero {
    text-align: center;
    padding: 1rem 0 2rem;
}

.hero h1 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.hero p {
    color: var(--color-muted);
    max-width: 34rem;
    margin: 0 auto;
}

footer {
    text-align: center;
    color: var(--color-muted);
    font-size: 0.8125rem;
    padding: 2rem 1.5rem;
}

code {
    background: rgba(79, 70, 229, 0.08);
    color: var(--color-primary-dark);
    padding: 0.125rem 0.375rem;
    border-radius: 4px;
    font-size: 0.875em;
}