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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans", Helvetica, Arial, sans-serif;
    background-color: #010409;
    color: #f0f6fc;
    line-height: 1.5;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.page-wrapper {
    min-height: 90vh;
    display: flex;
    flex-direction: column;
}

.github-header {
    background-color: #010409;
    border-bottom: 1px solid #21262d;
    padding: 16px 0;
}

.header-content {
    display: flex;
    align-items: center;
    gap: 16px;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

.github-logo {
    width: 32px;
    height: 32px;
    fill: #f0f6fc;
}

.header-title {
    font-size: 20px;
    font-weight: 600;
    color: #f0f6fc;
}

.main-content {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 24px;
}

.card {
    background-color: #0c1015;
    border: 1px solid #21262d;
    border-radius: 12px;
    padding: 40px;
    width: 100%;
    max-width: 480px;
    box-shadow: 0 16px 32px rgba(1, 4, 9, 0.85);
    text-align: center;
}

h1 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 25px;
    color: #f0f6fc;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid #30363d;
    border-top: 3px solid #58a6ff;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
}

.muted {
    color: #8b949e;
    font-size: 14px;
}

.github-footer {
    background-color: #010409;
    border-top: 1px solid #21262d;
    padding: 24px;
    margin-top: auto;
}

.footer-bottom {
    max-width: 1280px;
    margin: 0 auto;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 24px;
}

.footer-logo-section {
    display: flex;
    align-items: center;
    gap: 12px;
}

.footer-logo {
    width: 24px;
    height: 24px;
    fill: #6e7681;
}

.footer-copyright {
    color: #6e7681;
    font-size: 12px;
}

.footer-links {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.footer-links a {
    color: #8b949e;
    text-decoration: none;
    font-size: 12px;
}

.footer-links a:hover {
    color: #58a6ff;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@media (max-width: 640px) {
    .card { padding: 24px; }
    h1 { font-size: 20px; }
}