:root {
    --bg-color: #0f172a;
    --text-color: #f8fafc;
    --accent-color: #38bdf8;
    --card-bg: #1e293b;
    --font-family: system-ui, -apple-system, sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: var(--font-family);
    margin: 0;
    line-height: 1.5;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

header {
    background-color: var(--card-bg);
    padding: 1rem 2rem;
    border-bottom: 1px solid #334155;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

header h1 {
    margin: 0;
    font-size: 1.5rem;
    color: var(--accent-color);
}

main {
    flex: 1;
    padding: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
    box-sizing: border-box;
}

.card {
    background-color: var(--card-bg);
    border-radius: 0.5rem;
    padding: 1.5rem;
    margin-bottom: 1rem;
    border: 1px solid #334155;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

footer {
    text-align: center;
    padding: 1rem;
    color: #94a3b8;
    font-size: 0.875rem;
    border-top: 1px solid #334155;
}

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

a:hover {
    text-decoration: underline;
}