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

body {
    font-family: Arial, sans-serif;
    background: linear-gradient(135deg, #667eea, #764ba2);
    min-height: 100vh;

    display: flex;
    align-items: center;
    justify-content: center;
}

.container {
    width: 100%;
    max-width: 450px;
    padding: 20px;
}

.card {
    background: white;
    padding: 40px;
    border-radius: 20px;

    text-align: center;

    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.25);
}

h1 {
    color: #222;
    margin-bottom: 15px;
}

.subtitle {
    color: #666;
    margin-bottom: 30px;
}

.button {
    display: block;

    text-decoration: none;

    padding: 15px;
    margin: 12px 0;

    border-radius: 10px;

    font-weight: bold;

    transition: 0.2s;
}

.button:hover {
    transform: translateY(-2px);
}

.google {
    background: #ffffff;
    color: #333;
    border: 1px solid #ddd;
}

.github {
    background: #24292e;
    color: white;
}

.status {
    margin-top: 25px;
    padding: 15px;

    background: #f3f3f3;

    border-radius: 10px;

    color: #555;
}

.logout {
    margin-top: 20px;

    padding: 10px 25px;

    border: none;
    border-radius: 8px;

    background: #d9534f;
    color: white;

    cursor: pointer;
}

.logout:hover {
    opacity: 0.85;
}