* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
}

body {
    background-color: #f6f8fa;
    color: #24292f;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
}

.login-container {
    background-color: #ffffff;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    padding: 40px;
    text-align: center;
    max-width: 400px;
    width: 100%;
}

.logo {
    margin-bottom: 30px;
}

.logo h1 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 8px;
}

.logo p {
    color: #656d76;
    font-size: 16px;
}

.github-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto 20px;
    background-color: #24292f;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.github-icon svg {
    width: 24px;
    height: 24px;
    fill: #ffffff;
}

.login-button {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    background-color: #24292f;
    color: #ffffff;
    border: none;
    border-radius: 6px;
    padding: 12px 24px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    width: 100%;
    margin-top: 20px;
}

.login-button:hover {
    background-color: #1a1e22;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

.login-button:active {
    transform: translateY(0);
}

.login-button:disabled {
    background-color: #cccccc;
    cursor: not-allowed;
    opacity: 0.6;
}

.login-button svg {
    width: 20px;
    height: 20px;
    fill: #ffffff;
}

.footer {
    margin-top: 30px;
    font-size: 14px;
    color: #656d76;
}

.footer a {
    color: #0969da;
    text-decoration: none;
}

.footer a:hover {
    text-decoration: underline;
}