:root {
    --bg: #f4f4f4;
    --card-bg: #ffffff;
    --text: #111;
    --accent: #0077ff;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--bg);
    color: var(--text);
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    text-align: center;
}

.container {
    max-width: 400px;
    width: 100%;
}

h1 {
    margin-bottom: 1rem;
    font-size: 2.5rem;
}

.link {
    display: block;
    background: var(--card-bg);
    color: var(--accent);
    text-decoration: none;
    margin: 1rem 0;
    padding: 1rem;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    transition: all 0.2s ease-in-out;
    font-weight: 500;
}

.link:hover {
    background: var(--accent);
    color: white;
}

footer {
    margin-top: 2rem;
    font-size: 0.9rem;
    color: #666;
}