.checkin-container {
    max-width: 800px;
    margin: 40px auto;
    padding: 20px;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    text-align: center;
}
.checkin-header h1 {
    font-size: 24px;
    font-weight: 600;
    color: #1a202c;
    margin-bottom: 20px;
    border-bottom: 1px solid #e2e8f0;
    padding-bottom: 10px;
}
.checkin-card-content {
    display: flex;
    justify-content: center;
}
.guest-details {
    background: #f7fafc;
    border-radius: 6px;
    padding: 20px;
    border: 1px solid #e2e8f0;
    width: 100%;
    max-width: 500px;
}
.guest-name {
    font-size: 28px;
    font-weight: 700;
    color: #1a202c;
    margin-bottom: 15px;
}
.guest-info p {
    font-size: 16px;
    color: #4a5568;
    margin: 8px 0;
    text-align: left;
}
.guest-info strong {
    color: #2d3748;
}
.status-badge {
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 600;
    color: #fff;
}
.status-pending {
    background: #f39c12;
}
.status-checked-in {
    background: #27ae60;
}
.checkin-message {
    padding: 12px;
    border-radius: 6px;
    font-size: 14px;
    margin-top: 20px;
}
.checkin-message.success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}
.not-authorized-message {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}
@media (max-width: 600px) {
    .checkin-container {
        padding: 15px;
    }
    .guest-name {
        font-size: 24px;
    }
    .guest-info p {
        font-size: 14px;
    }
}